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< 1 2 3 4 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 148 | JS Minification | greedy implementation | Statement | J | 2018-2019 ICPC, NEERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1089} | PROGRAMMING | T | 3300 | |
| 11036 | New Year and the Treasure Geolocation | brute force constructive algorithms greedy implementation | Statement | B | Good Bye 2018 {1091} | PROGRAMMING | Editorial | 1200 | |
| 1108 | New Year and the Acquaintance Estimation | binary search data structures graphs greedy implementation math sortings | Statement | E | Good Bye 2018 {1091} | PROGRAMMING | Editorial | 2400 | |
| 5808 | Great Vova Wall (Version 1) | greedy implementation math | Statement | D1 | Codeforces Round 527 (Div. 3) {1092} | PROGRAMMING | Codeforces Round #527 (Div. 3) Editorial | 2100 | |
| 19753 | Find Divisible | greedy implementation math | Statement | A | Educational Codeforces Round 57 (Rated for Div. 2) {1096} | PROGRAMMING | Разбор Educational Codeforces Round 57 | 800 | |
| 8821 | Yuhao and a Parenthesis | greedy implementation | Statement | C | Hello 2019 {1097} | PROGRAMMING | 64310 | 1400 | |
| 11146 | Accordion | greedy implementation | Statement | B | Educational Codeforces Round 58 (Rated for Div. 2) {1101} | PROGRAMMING | 64483 | 1300 | |
| 16086 | Lunar New Year and Number Division | greedy implementation math sortings | Statement | C | Codeforces Round 536 (Div. 2) {1106} | PROGRAMMING | Tutorial | 1000 | |
| 4958 | Array and Segments (Easy version) | brute force greedy implementation | Statement | E1 | Codeforces Round 535 (Div. 3) {1108} | PROGRAMMING | 64751 | 1800 | |
| 19804 | Got Any Grapes? | brute force greedy implementation | Statement | A | Codeforces Round 538 (Div. 2) {1114} | PROGRAMMING | Codeforces Round #538 (Div. 2) Editorial | 800 | |
| 11650 | Ilya and a Colorful Walk | greedy implementation | Statement | A | Codeforces Global Round 2 {1119} | PROGRAMMING | Codeforces Global Round 2 Editorial | 1100 | |
| 7199 | Ramesses and Corner Inversion | constructive algorithms greedy implementation math | Statement | C | Codeforces Global Round 2 {1119} | PROGRAMMING | Codeforces Global Round 2 Editorial | 1500 | |
| 1751 | Diana and Liana | greedy implementation two pointers | Statement | A | Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} | PROGRAMMING | Разбор задач финала Технокубка 2019 и Codeforces Round #543 | 2200 | |
| 481 | Once in a casino | constructive algorithms greedy implementation math | Statement | B | Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} | PROGRAMMING | Разбор задач финала Технокубка 2019 и Codeforces Round #543 | 2700 | |
| 10422 | Draw! | greedy implementation | Statement | B | Codeforces Round 541 (Div. 2) {1131} | PROGRAMMING | Codeforces Round #541 Editorial | 1300 | |
| 10232 | Regular Bracket Sequence | greedy implementation | Statement | A | Educational Codeforces Round 61 (Rated for Div. 2) {1132} | PROGRAMMING | T | 1100 | |
| 22537 | Sushi for Two | binary search greedy implementation | Statement | A | Codeforces Round 545 (Div. 2) {1138} | PROGRAMMING | Codeforces Round #545 – Editorial | 900 | |
| 19708 | Chocolates | greedy implementation | Statement | B | Codeforces Round 548 (Div. 2) {1139} | PROGRAMMING | Codeforces Round #548 Editorial | 1100 | |
| 9021 | Colored Boots | greedy implementation | Statement | D | Codeforces Round 547 (Div. 3) {1141} | PROGRAMMING | 66062 | 1500 | |
| 18423 | Parity Alternated Deletions | greedy implementation sortings | Statement | B | Codeforces Round 550 (Div. 3) {1144} | PROGRAMMING | 66307 | 1000 | |
| 11912 | Tiling Challenge | greedy implementation | Statement | B | Codeforces Round 556 (Div. 2) {1150} | PROGRAMMING | 66783 | 1100 | |
| 12616 | Stock Arbitraging | greedy implementation | Statement | A | Codeforces Round 556 (Div. 2) {1150} | PROGRAMMING | 66783 | 900 | |
| 16261 | Neko Finds Grapes | greedy implementation math | Statement | A | Codeforces Round 554 (Div. 2) {1152} | PROGRAMMING | T | 800 | |
| 12590 | Game with Telephone Numbers | games greedy implementation | Statement | B | Educational Codeforces Round 63 (Rated for Div. 2) {1155} | PROGRAMMING | 66687 | 1200 | |
| 6602 | Ugly Pairs | dfs and similar greedy implementation sortings strings | Statement | B | Educational Codeforces Round 64 (Rated for Div. 2) {1156} | PROGRAMMING | 66827 | 1800 | |
| 171 | Optimizer | graphs greedy hashing implementation | Statement | G | Educational Codeforces Round 64 (Rated for Div. 2) {1156} | PROGRAMMING | 66827 | 3100 | |
| 8488 | The Party and Sweets | binary search constructive algorithms greedy implementation math sortings two pointers | Statement | A | Codeforces Round 559 (Div. 1) {1158} | PROGRAMMING | 66993 | 1500 | |
| 2489 | Microtransactions (hard version) | binary search greedy implementation | Statement | F2 | Codeforces Round 560 (Div. 3) {1165} | PROGRAMMING | Codeforces Round #560 (Div. 3) Editorial | 2400 | |
| 5192 | Nauuo and Cards | greedy implementation | Statement | A | Codeforces Round 564 (Div. 1) {1172} | PROGRAMMING | Codeforces Round #564 Editorial | 1800 | |
| 4700 | Minimal Segment Cover | data structures dfs and similar divide and conquer dp greedy implementation trees | Statement | E | Educational Codeforces Round 66 (Rated for Div. 2) {1175} | PROGRAMMING | Editorial | 2200 | |
| 15195 | Lose it! | dp greedy implementation | Statement | C | Codeforces Round 565 (Div. 3) {1176} | PROGRAMMING | 67598 | 1300 | |
| 25298 | Divide it! | brute force greedy implementation | Statement | A | Codeforces Round 565 (Div. 3) {1176} | PROGRAMMING | 67598 | 800 | |
| 2517 | Serge and Dining Room | binary search data structures graph matchings greedy implementation math trees | Statement | C | Codeforces Round 569 (Div. 1) {1179} | PROGRAMMING | Editorial of Round #569 | 2400 | |
| 10135 | Nick and Array | greedy implementation | Statement | B | Codeforces Round 569 (Div. 2) {1180} | PROGRAMMING | Editorial of Round #569 | 1500 | |
| 6647 | Split a Number | greedy implementation strings | Statement | B | Codeforces Round 567 (Div. 2) {1181} | PROGRAMMING | Editorial of Codeforces Round #567 (based on All-Russian olympiad in the name of Keldysh) | 1500 | |
| 2717 | Candy Box (hard version) | greedy implementation sortings | Statement | G | Codeforces Round 570 (Div. 3) {1183} | PROGRAMMING | Tutorial | 2100 | |
| 1185 | Vus the Cossack and a Graph | dfs and similar graphs greedy implementation | Statement | F | Codeforces Round 571 (Div. 2) {1186} | PROGRAMMING | E | 2300 | |
| 6808 | Vasya And Array | constructive algorithms greedy implementation | Statement | C | Educational Codeforces Round 67 (Rated for Div. 2) {1187} | PROGRAMMING | Разбор Educational Codeforces Round 67 | 1800 | |
| 14563 | Pillars | greedy implementation | Statement | B | Educational Codeforces Round 69 (Rated for Div. 2) {1197} | PROGRAMMING | E | 1000 | |
| 2557 | Treasure Hunting | binary search dp greedy implementation | Statement | D | Codeforces Round 577 (Div. 2) {1201} | PROGRAMMING | Codeforces Round #577 (Div 2) Editorial | 2000 | |
| 2793 | You Are Given a WASD-string... | brute force data structures dp greedy implementation math strings | Statement | C | Educational Codeforces Round 70 (Rated for Div. 2) {1202} | PROGRAMMING | 68972 | 2100 | |
| 9581 | Remove the Substring (easy version) | greedy implementation | Statement | D1 | Codeforces Round 579 (Div. 3) {1203} | PROGRAMMING | Codeforces Round #579 (Div. 3) Editorial | 1600 | |
| 8210 | Remove the Substring (hard version) | binary search greedy implementation two pointers | Statement | D2 | Codeforces Round 579 (Div. 3) {1203} | PROGRAMMING | Codeforces Round #579 (Div. 3) Editorial | 1800 | |
| 13796 | Square Filling | constructive algorithms greedy implementation | Statement | B | Educational Codeforces Round 71 (Rated for Div. 2) {1207} | PROGRAMMING | Educational Codeforces Round 71 Editorial | 1200 | |
| 23546 | There Are Two Types Of Burgers | brute force greedy implementation math | Statement | A | Educational Codeforces Round 71 (Rated for Div. 2) {1207} | PROGRAMMING | Educational Codeforces Round 71 Editorial | 700 | |
| 5598 | Restore Permutation | binary search data structures greedy implementation | Statement | D | Manthan, Codefest 19 (open for everyone, rated, Div. 1 + Div. 2) {1208} | PROGRAMMING | 69357 | 1900 | |
| 7889 | Paint the Digits | constructive algorithms greedy implementation | Statement | C | Codeforces Round 584 - Dasha Code Championship - Elimination Round (rated, open for everyone, Div. 1 + Div. 2) {1209} | PROGRAMMING | 69791 | 1600 | |
| 4053 | Into Blocks (easy version) | data structures dsu greedy implementation two pointers | Statement | G1 | Codeforces Round 584 - Dasha Code Championship - Elimination Round (rated, open for everyone, Div. 1 + Div. 2) {1209} | PROGRAMMING | 69791 | 2000 | |
| 12901 | Paint the Numbers | greedy implementation math | Statement | A | Codeforces Round 584 - Dasha Code Championship - Elimination Round (rated, open for everyone, Div. 1 + Div. 2) {1209} | PROGRAMMING | 69791 | 900 | |
| 3085 | Unstable String Sort | data structures dfs and similar dsu graphs greedy implementation strings | Statement | F | Codeforces Round 582 (Div. 3) {1213} | PROGRAMMING | Codeforces Round #582 (Div. 3) Editorial | 2400 | |
| 12231 | Yellow Cards | greedy implementation math | Statement | A | Codeforces Round 585 (Div. 2) {1215} | PROGRAMMING | Codeforces Round #585 Editorial | 1000 | |
| 19844 | Shooting | greedy implementation sortings | Statement | B | Codeforces Round 587 (Div. 3) {1216} | PROGRAMMING | Codeforces Round #587 (Div. 3) Editorial | 1000 | |
| 2099 | Sum Queries? | data structures greedy implementation math | Statement | E | Educational Codeforces Round 72 (Rated for Div. 2) {1217} | PROGRAMMING | Educational Codeforces Round 72 Editorial | 2300 | |
| 19703 | Ania and Minimizing | greedy implementation | Statement | B | Codeforces Round 588 (Div. 2) {1230} | PROGRAMMING | 70008 | 1000 | |
| 10581 | Labs | constructive algorithms greedy implementation | Statement | C | Codeforces Round 593 (Div. 2) {1236} | PROGRAMMING | 70654 | 1300 | |
| 1763 | Alice and the Doll | brute force data structures greedy implementation | Statement | D | Codeforces Round 593 (Div. 2) {1236} | PROGRAMMING | 70654 | 2100 | |
| 4560 | Balanced Removals (Harder) | binary search constructive algorithms divide and conquer greedy implementation sortings | Statement | C2 | Codeforces Global Round 5 {1237} | PROGRAMMING | T | 1900 | |
| 1825 | Queue in the Train | data structures greedy implementation | Statement | C | Codeforces Round 594 (Div. 1) {1239} | PROGRAMMING | Editorial of Codeforces Round #594 (on the problems of Moscow Team Olympiad) | 2300 | |
| 2559 | The World Is Just a Programming Task (Easy Version) | brute force dp greedy implementation | Statement | D1 | Codeforces Round 594 (Div. 2) {1248} | PROGRAMMING | Editorial of Codeforces Round #594 (on the problems of Moscow Team Olympiad) | 1900 | |
| 16640 | Good Numbers (easy version) | brute force greedy implementation | Statement | C1 | Codeforces Round 595 (Div. 3) {1249} | PROGRAMMING | Codeforces Round #595 (Div. 3) Editorial | 1300 | |
| 2863 | Twin Buildings | greedy implementation | Statement | H | 2019-2020 ICPC, Asia Jakarta Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1252} | PROGRAMMING | T | 1900 | |
| 11744 | Silly Mistake | greedy implementation | Statement | B | Codeforces Round 600 (Div. 2) {1253} | PROGRAMMING | Editorial | 1400 | |
| 5633 | Feeding Chicken | constructive algorithms greedy implementation | Statement | A | Codeforces Round 601 (Div. 1) {1254} | PROGRAMMING | Codeforces Round #601 Editorial | 1900 | |
| 17317 | Dominated Subarray | greedy implementation sortings strings two pointers | Statement | C | Educational Codeforces Round 76 (Rated for Div. 2) {1257} | PROGRAMMING | Educational Codeforces Round 76 Editorial | 1200 | |
| 11843 | PIN Codes | greedy implementation | Statement | B | Codeforces Round 603 (Div. 2) {1263} | PROGRAMMING | Разбор Codeforces Round #603 (Div. 2) | 1400 | |
| 10478 | Beautiful Regional Contest | greedy implementation | Statement | A | Codeforces Round 604 (Div. 1) {1264} | PROGRAMMING | 71995 | 1500 | |
| 3903 | Decreasing Debts | constructive algorithms data structures graphs greedy implementation math two pointers | Statement | D | Codeforces Global Round 6 {1266} | PROGRAMMING | Codeforces Global Round 6 Editorial | 2000 | |
| 2447 | Spaceship Solitaire | data structures greedy implementation | Statement | E | Codeforces Global Round 6 {1266} | PROGRAMMING | Codeforces Global Round 6 Editorial | 2100 | |
| 3125 | Just Arrange the Icons | greedy implementation math | Statement | J | 2019-2020 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1267} | PROGRAMMING | nerc-2019-tutorial.pdf | 1900 | |
| 9166 | Long Beautiful Integer | constructive algorithms greedy implementation strings | Statement | A | Codeforces Round 609 (Div. 1) {1268} | PROGRAMMING | Codeforces Round #609 — Editorial | 1700 | |
| 11196 | Shawarma Tent | brute force geometry greedy implementation | Statement | C | Codeforces Round 608 (Div. 2) {1271} | PROGRAMMING | 72247 | 1300 | |
| 3455 | Portals | data structures dp greedy implementation sortings | Statement | D | Codeforces Round 608 (Div. 2) {1271} | PROGRAMMING | 72247 | 2100 | |
| 14731 | Snow Walking Robot | constructive algorithms greedy implementation | Statement | B | Codeforces Round 605 (Div. 3) {1272} | PROGRAMMING | Codeforces Round #605 (Div. 3) Editorial | 1200 | |
| 8675 | Berry Jam | data structures dp greedy implementation | Statement | C | Educational Codeforces Round 78 (Rated for Div. 2) {1278} | PROGRAMMING | Educational Codeforces Round 78 Editorial | 1600 | |
| 32211 | Just Eat It! | dp greedy implementation | Statement | B | Codeforces Round 613 (Div. 2) {1285} | PROGRAMMING | Codeforces Round #613 (Div. 2) Editorial | 1300 | |
| 23021 | Angry Students | greedy implementation | Statement | A | Codeforces Round 612 (Div. 2) {1287} | PROGRAMMING | Codeforces Round #612 - Editorial | 800 | |
| 15505 | Array Sharpening | greedy implementation | Statement | B | Codeforces Round 616 (Div. 2) {1291} | PROGRAMMING | 1000.0 | Codeforces Round #616 Editorial | 1300 |
| 6809 | Aroma's Search | brute force constructive algorithms geometry greedy implementation | Statement | B | Codeforces Round 614 (Div. 1) {1292} | PROGRAMMING | 750.0 | Codeforces Round #614 Editorial | 1800 |
| 12776 | MEX maximizing | data structures greedy implementation math | Statement | D | Codeforces Round 615 (Div. 3) {1294} | PROGRAMMING | Codeforces Round #615 (Div. 3) Editorial | 1600 | |
| 5268 | Obtain a Permutation | greedy implementation math | Statement | E | Codeforces Round 615 (Div. 3) {1294} | PROGRAMMING | Codeforces Round #615 (Div. 3) Editorial | 2000 | |
| 127 | Movie Fan | *special data structures greedy implementation sortings | Statement | F | Kotlin Heroes: Episode 3 {1297} | PROGRAMMING | Kotlin Heroes: Episode 3 Editorial | ||
| 26239 | Assigning to Classes | greedy implementation sortings | Statement | B | Codeforces Round 618 (Div. 2) {1300} | PROGRAMMING | 750.0 | Codeforces Round #618 Editorial | 1000 |
| 13037 | Perfect Keyboard | dfs and similar greedy implementation | Statement | C | Educational Codeforces Round 82 (Rated for Div. 2) {1303} | PROGRAMMING | Educational Codeforces Round 82 | 1500 | |
| 18854 | Longest Palindrome | brute force constructive algorithms greedy implementation strings | Statement | B | Codeforces Round 620 (Div. 2) {1304} | PROGRAMMING | 1000.0 | Codeforces Round #620 (Div. 2) Editorial | 1100 |
| 17918 | Air Conditioner | dp greedy implementation sortings two pointers | Statement | C | Codeforces Round 620 (Div. 2) {1304} | PROGRAMMING | 1500.0 | Codeforces Round #620 (Div. 2) Editorial | 1500 |
| 3294 | Kuroni and the Score Distribution | constructive algorithms greedy implementation math | Statement | E | Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) {1305} | PROGRAMMING | 2000.0 | Ozon Tech Challenge 2020 Editorial | 2100 |
| 1422 | Cow and Treats | binary search combinatorics dp greedy implementation math | Statement | E | Codeforces Round 621 (Div. 1 + Div. 2) {1307} | PROGRAMMING | 2500.0 | Codeforces Round #621 (Div. 1 + Div. 2) Editorial | 2400 |
| 15690 | Cow and Haybales | greedy implementation | Statement | A | Codeforces Round 621 (Div. 1 + Div. 2) {1307} | PROGRAMMING | 500.0 | Codeforces Round #621 (Div. 1 + Div. 2) Editorial | 800 |
| 46647 | Add Odd or Subtract Even | greedy implementation math | Statement | A | Codeforces Round 624 (Div. 3) {1311} | PROGRAMMING | 74224 | 700 | |
| 18502 | Adding Powers | bitmasks greedy implementation math number theory ternary search | Statement | C | Educational Codeforces Round 83 (Rated for Div. 2) {1312} | PROGRAMMING | 74640 | ||
| 7040 | Different Rules | binary search constructive algorithms greedy implementation math | Statement | B | Codeforces Round 622 (Div. 2) {1313} | PROGRAMMING | 1000.0 | Editorial | 1700 |
| 16357 | Fast Food Restaurant | brute force greedy implementation | Statement | A | Codeforces Round 622 (Div. 2) {1313} | PROGRAMMING | 500.0 | Editorial | 900 |
| 21019 | Even Subset Sum Problem | brute force dp greedy implementation | Statement | A | Codeforces Round 626 (Div. 2, based on Moscow Open Olympiad in Informatics) {1323} | PROGRAMMING | 500.0 | Codeforces Round #626 Editorial | |
| 12222 | Count Subrectangles | greedy implementation | Statement | B | Codeforces Round 626 (Div. 2, based on Moscow Open Olympiad in Informatics) {1323} | PROGRAMMING | 1000.0 | Codeforces Round #626 Editorial | |
| 30814 | Frog Jumps | binary search data structures greedy implementation | Statement | C | Codeforces Round 627 (Div. 3) {1324} | PROGRAMMING | Codeforces Round #627 (Div. 3) Editorial | ||
| 39057 | CopyCopyCopyCopyCopy | greedy implementation | Statement | B | Codeforces Round 628 (Div. 2) {1325} | PROGRAMMING | 750.0 | 74235 | 800 |
| 33365 | Ternary XOR | greedy implementation | Statement | C | Codeforces Round 629 (Div. 3) {1328} | PROGRAMMING | 75246 | 1200 | |
| 9793 | Dreamoon Likes Coloring | constructive algorithms greedy implementation math | Statement | A | Codeforces Round 631 (Div. 1) - Thanks, Denis aramis Shitov! {1329} | PROGRAMMING | 500.0 | Codeforces Round #631 Editorial | 1800 |
| 1822 | Drazil Likes Heap | constructive algorithms data structures greedy implementation sortings | Statement | C | Codeforces Round 631 (Div. 1) - Thanks, Denis aramis Shitov! {1329} | PROGRAMMING | 1500.0 | Codeforces Round #631 Editorial | 2400 |
| 19902 | Exercising Walk | greedy implementation math | Statement | A | Codeforces Round 630 (Div. 2) {1332} | PROGRAMMING | 500.0 | Codeforces Round #630 Editorial | 1200 |
| 21581 | K-Complete Word | dfs and similar dsu greedy implementation strings | Statement | C | Codeforces Round 630 (Div. 2) {1332} | PROGRAMMING | 1250.0 | Codeforces Round #630 Editorial | 1500 |
| 4165 | Challenges in school №41 | brute force constructive algorithms games graphs greedy implementation sortings | Statement | D | Codeforces Round 632 (Div. 2) {1333} | PROGRAMMING | 1750.0 | Codeforces Round #632 (Div. 2) editorial | |
| 22283 | Kind Anton | greedy implementation | Statement | B | Codeforces Round 632 (Div. 2) {1333} | PROGRAMMING | 750.0 | Codeforces Round #632 (Div. 2) editorial | |
| 4606 | Kate and imperfection | greedy implementation math number theory sortings two pointers | Statement | F | Codeforces Round 632 (Div. 2) {1333} | PROGRAMMING | 2500.0 | Codeforces Round #632 (Div. 2) editorial | |
| 7784 | Minimum Euler Cycle | constructive algorithms graphs greedy implementation | Statement | D | Educational Codeforces Round 85 (Rated for Div. 2) {1334} | PROGRAMMING | Educational Codeforces Round 85 Editorial | ||
| 39629 | Two Teams Composing | binary search greedy implementation sortings | Statement | C | Codeforces Round 634 (Div. 3) {1335} | PROGRAMMING | 75993 | 1100 | |
| 37110 | Kana and Dragon Quest game | greedy implementation math | Statement | B | Codeforces Round 635 (Div. 2) {1337} | PROGRAMMING | 1000.0 | Codeforces Round #635 Editorial | 1000 |
| 3482 | Perfect Triples | bitmasks brute force constructive algorithms divide and conquer greedy implementation math | Statement | C | Codeforces Round 633 (Div. 1) {1338} | PROGRAMMING | 1500.0 | Editorial | |
| 13710 | Nastya and Strange Generator | brute force data structures greedy implementation | Statement | A | Codeforces Round 637 (Div. 1) - Thanks, Ivan Belonogov! {1340} | PROGRAMMING | 500.0 | Codeforces Round #637 Editorial | |
| 21221 | Nastya and Door | greedy implementation | Statement | B | Codeforces Round 637 (Div. 2) - Thanks, Ivan Belonogov! {1341} | PROGRAMMING | 1000.0 | Codeforces Round #637 Editorial | |
| 1425 | Restore the Permutation by Sorted Segments | brute force constructive algorithms data structures greedy implementation | Statement | F | Codeforces Round 636 (Div. 3) {1343} | PROGRAMMING | 76352 | 2800 | |
| 8776 | The Best Vacation | binary search brute force greedy implementation two pointers | Statement | D | Codeforces Round 645 (Div. 2) {1358} | PROGRAMMING | 1500.0 | Codeforces Round #645 (Div. 2) Editorial | 1900 |
| 2472 | Are You Fired? | constructive algorithms data structures dp greedy implementation | Statement | E | Codeforces Round 645 (Div. 2) {1358} | PROGRAMMING | 2000.0 | Codeforces Round #645 (Div. 2) Editorial | 2400 |
| 527 | Tasty Cookie | binary search constructive algorithms greedy implementation | Statement | F | Codeforces Round 645 (Div. 2) {1358} | PROGRAMMING | 2500.0 | Codeforces Round #645 (Div. 2) Editorial | 2700 |
| 29536 | New Theatre Square | brute force dp greedy implementation two pointers | Statement | B | Educational Codeforces Round 88 (Rated for Div. 2) {1359} | PROGRAMMING | Educational Codeforces Round 88 Editorial | 1000 | |
| 3880 | Johnny and Grandmaster | greedy implementation math sortings | Statement | B | Codeforces Round 647 (Div. 1) - Thanks, Algo Muse! {1361} | PROGRAMMING | 1250.0 | Codeforces Round #647 Editorial | 1900 |
| 364 | Johnny and James | greedy implementation math trees | Statement | D | Codeforces Round 647 (Div. 1) - Thanks, Algo Muse! {1361} | PROGRAMMING | 2500.0 | Codeforces Round #647 Editorial | 2900 |
| 25167 | Matrix Game | games greedy implementation | Statement | A | Codeforces Round 648 (Div. 2) {1365} | PROGRAMMING | 500.0 | Editorial — Codeforces Round #648 | 1100 |
| 25161 | Rotation Matching | constructive algorithms data structures greedy implementation | Statement | C | Codeforces Round 648 (Div. 2) {1365} | PROGRAMMING | 1250.0 | Editorial — Codeforces Round #648 | 1400 |
| 21251 | Solve The Maze | constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths | Statement | D | Codeforces Round 648 (Div. 2) {1365} | PROGRAMMING | 1500.0 | Editorial — Codeforces Round #648 | 1700 |
| 4664 | Two Arrays | binary search brute force combinatorics dp greedy implementation two pointers | Statement | E | Educational Codeforces Round 89 (Rated for Div. 2) {1366} | PROGRAMMING | Educational Codeforces Round 89 Editorial | ||
| 8903 | Task On The Board | constructive algorithms greedy implementation sortings | Statement | D | Codeforces Round 650 (Div. 3) {1367} | PROGRAMMING | Codeforces Round #650 (Div. 3) Editorial | ||
| 1123 | Lamps on a Circle | games greedy implementation interactive math | Statement | F | Codeforces Global Round 8 {1368} | PROGRAMMING | 3000.0 | Codeforces Global Round 8: editorial | |
| 25697 | AccurateLee | greedy implementation strings | Statement | B | Codeforces Round 652 (Div. 2) {1369} | PROGRAMMING | 1000.0 | Codeforces Round #652 (Div. 2) Editorial | 1200 |
| 2482 | DeadLee | constructive algorithms data structures graphs greedy implementation sortings | Statement | E | Codeforces Round 652 (Div. 2) {1369} | PROGRAMMING | 2500.0 | Codeforces Round #652 (Div. 2) Editorial | 2400 |
| 5261 | Binary Subsequence Rotation | binary search data structures dp greedy implementation | Statement | E | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 2500.0 | Editorial — Codeforces Round #651 | |
| 11126 | Odd-Even Subsequence | binary search dp greedy implementation sortings | Statement | D | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 2000.0 | Editorial — Codeforces Round #651 | |
| 66256 | Maximum GCD | brute force greedy implementation number theory | Statement | A | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 500.0 | Editorial — Codeforces Round #651 | |
| 21476 | A Cookie for You | constructive algorithms greedy implementation math | Statement | C | Codeforces Round 654 (Div. 2) {1371} | PROGRAMMING | 1250.0 | Codeforces Round #654 (Div. 2) Editorial | |
| 19480 | Pluses and Minuses | binary search dp greedy implementation math | Statement | C | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 29825 | Donut Shops | greedy implementation math | Statement | A | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 15088 | Reading Books (easy version) | data structures greedy implementation sortings | Statement | E1 | Codeforces Round 653 (Div. 3) {1374} | PROGRAMMING | 79517 | ||
| 1734 | Mastermind | constructive algorithms greedy implementation sortings | Statement | C | Codeforces Round 658 (Div. 1) {1381} | PROGRAMMING | 2000.0 | Codeforces Round #658 Editorial | 2500 |
| 2917 | Removing Leaves | data structures dfs and similar divide and conquer greedy implementation trees | Statement | F | Codeforces Round 656 (Div. 3) {1385} | PROGRAMMING | Codeforces Round #656 (Div. 3) Editorial | 2300 | |
| 6965 | Captain Flint and Treasure | data structures dfs and similar dp graphs greedy implementation trees | Statement | D | Codeforces Round 660 (Div. 2) {1388} | PROGRAMMING | 2000.0 | Codeforces Round #660 Editorial | 2000 |
| 4579 | Segment Intersections | binary search brute force greedy implementation math | Statement | D | Educational Codeforces Round 92 (Rated for Div. 2) {1389} | PROGRAMMING | 80809 | ||
| 20752 | Good String | brute force dp greedy implementation two pointers | Statement | C | Educational Codeforces Round 92 (Rated for Div. 2) {1389} | PROGRAMMING | 80809 | ||
| 30050 | Fix You | brute force greedy implementation | Statement | B | Codeforces Round 663 (Div. 2) {1391} | PROGRAMMING | 750.0 | Codeforces Round #663 (Div. 2) Editorial | |
| 19702 | Omkar and Waterslide | greedy implementation | Statement | C | Codeforces Global Round 10 {1392} | PROGRAMMING | 1000.0 | Codeforces Global Round 10 — Editorial | |
| 17431 | Applejack and Storages | data structures greedy implementation | Statement | B | Codeforces Round 662 (Div. 2) {1393} | PROGRAMMING | 1000.0 | Codeforces Round #662 Editorial | |
| 2620 | Two Types of Spells | binary search data structures greedy implementation math sortings | Statement | E | Educational Codeforces Round 93 (Rated for Div. 2) {1398} | PROGRAMMING | Educational Codeforces Round 93 Editorial | ||
| 24653 | Maximum Product | brute force dp greedy implementation sortings | Statement | B | Codeforces Round 670 (Div. 2) {1406} | PROGRAMMING | 1000.0 | Codeforces Round #670 (Div. 2) Editorial | |
| 23221 | Subset Mex | greedy implementation math | Statement | A | Codeforces Round 670 (Div. 2) {1406} | PROGRAMMING | 500.0 | Codeforces Round #670 (Div. 2) Editorial | |
| 2745 | Grime Zoo | constructive algorithms greedy implementation | Statement | D | Technocup 2021 - Elimination Round 3 {1411} | PROGRAMMING | 2000.0 | Technocup 2021 Elimination Round 3 and Round #692 (Div. 1 + Div. 2) Editorial | |
| 1855 | Poman Numbers | greedy implementation math | Statement | E | Technocup 2021 - Elimination Round 3 {1411} | PROGRAMMING | 2250.0 | Technocup 2021 Elimination Round 3 and Round #692 (Div. 1 + Div. 2) Editorial | |
| 6947 | Shurikens | data structures greedy implementation | Statement | D | Technocup 2021 - Elimination Round 1 {1413} | PROGRAMMING | 2000.0 | Codeforces Round 679 (Div. 1, Div. 2) and Technocup Round 1 editorial | |
| 17585 | Sage's Birthday (hard version) | binary search constructive algorithms greedy implementation sortings two pointers | Statement | D2 | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 1000.0 | Codeforces Round #671 Editorial | |
| 26602 | Sage's Birthday (easy version) | binary search greedy implementation sortings | Statement | D1 | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 750.0 | Codeforces Round #671 Editorial | |
| 17081 | Stairs | brute force constructive algorithms greedy implementation math two pointers | Statement | B | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 750.0 | Codeforces Round #671 Editorial | |
| 16375 | Killjoy | greedy implementation math | Statement | C | Codeforces Round 671 (Div. 2) {1419} | PROGRAMMING | 1250.0 | Codeforces Round #671 Editorial | |
| 5247 | Pokémon Army (hard version) | data structures divide and conquer dp greedy implementation | Statement | C2 | Codeforces Round 672 (Div. 2) {1420} | PROGRAMMING | 1250.0 | ||
| 897 | Minlexes | dp greedy implementation strings | Statement | E | Codeforces Round 675 (Div. 2) {1422} | PROGRAMMING | 2000.0 | Codeforces Round #675 (Div. 2) Editorial | |
| 15127 | Nice Matrix | greedy implementation ternary search | Statement | B | Codeforces Round 675 (Div. 2) {1422} | PROGRAMMING | 750.0 | Codeforces Round #675 (Div. 2) Editorial | |
| 1026 | Excitation of Atoms | greedy implementation | Statement | E | 2020 ICPC, COMPFEST 12, Indonesia Multi-Provincial Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1425} | PROGRAMMING | Tutorial | 2200 | |
| 11524 | Chess Cheater | greedy implementation sortings | Statement | B | Codeforces Global Round 11 {1427} | PROGRAMMING | 750.0 | Editorial of Global Round 11 | 1400 |
| 20378 | Barrels | greedy implementation sortings | Statement | B | Educational Codeforces Round 96 (Rated for Div. 2) {1430} | PROGRAMMING | Educational Codeforces Round 96 — Editorial | ||
| 29980 | Yet Another Bookshelf | greedy implementation | Statement | B | Codeforces Round 677 (Div. 3) {1433} | PROGRAMMING | Codeforces Round #677 (Div. 3) Editorial | ||
| 1495 | Yurii Can Do Everything | brute force divide and conquer greedy implementation | Statement | E | Codeforces Round 682 (Div. 2) {1438} | PROGRAMMING | 2250.0 | Codeforces Round #682 (Div. 2) Editorial | |
| 5412 | Binary Table (Hard Version) | constructive algorithms graphs greedy implementation | Statement | A2 | Codeforces Round 684 (Div. 1) {1439} | PROGRAMMING | 500.0 | Codeforces Round #684[Div1 and Div2] Editorial | |
| 5409 | Identify the Operations | brute force combinatorics data structures dsu greedy implementation | Statement | B | Codeforces Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) {1442} | PROGRAMMING | 1000.0 | 84298 | |
| 17404 | String Equality | dp greedy hashing implementation strings | Statement | C | Codeforces Round 685 (Div. 2) {1451} | PROGRAMMING | 1250.0 | Editorial — Codeforces Round #685 | |
| 20327 | Non-Substring Subsequence | greedy implementation strings | Statement | B | Codeforces Round 685 (Div. 2) {1451} | PROGRAMMING | 750.0 | Editorial — Codeforces Round #685 | |
| 1743 | Two Editorials | brute force data structures greedy implementation | Statement | E | Educational Codeforces Round 98 (Rated for Div. 2) {1452} | PROGRAMMING | 84847 | ||
| 6272 | Triangles | greedy implementation | Statement | C | Codeforces Round 688 (Div. 2) {1453} | PROGRAMMING | 1500.0 | Codeforces Round #688 (Div. 2) Editorial | |
| 22597 | Sequence Transformation | greedy implementation | Statement | C | Codeforces Round 686 (Div. 3) {1454} | PROGRAMMING | Codeforces Round #686 (Div. 3) Editorial | ||
| 2238 | Water Level | brute force graphs greedy implementation math | Statement | E | Codeforces Round 689 (Div. 2, based on Zed Code Competition) {1461} | PROGRAMMING | 2250.0 | Codeforces Round #689 (Div. 2). Editorial | |
| 9227 | Waste Sorting | flows greedy implementation | Statement | N | 2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) {1468} | PROGRAMMING | Tutorial (PDF) | ||
| 11750 | Building a Fence | dp greedy implementation two pointers | Statement | C | Educational Codeforces Round 101 (Rated for Div. 2) {1469} | PROGRAMMING | Educational Codeforces Round 101 Editorial | ||
| 20006 | Strange List | brute force greedy implementation math | Statement | B | Codeforces Round 694 (Div. 2) {1471} | PROGRAMMING | 750.0 | Codeforces Round #694 Editorial | |
| 37711 | Replacing Elements | greedy implementation sortings | Statement | A | Educational Codeforces Round 102 (Rated for Div. 2) {1473} | PROGRAMMING | Educational Codeforces Round 102 Editorial | ||
| 14308 | Array Destruction | constructive algorithms data structures greedy implementation sortings | Statement | C | Codeforces Round 696 (Div. 2) {1474} | PROGRAMMING | 1500.0 | Codeforces Round #696 Editorial | |
| 4351 | Cleaning | data structures dp greedy implementation | Statement | D | Codeforces Round 696 (Div. 2) {1474} | PROGRAMMING | 2000.0 | Codeforces Round #696 Editorial | |
| 7516 | Painting the Array I | constructive algorithms data structures dp greedy implementation | Statement | B1 | Codeforces Round 700 (Div. 1) {1479} | PROGRAMMING | 750.0 | Editorial of Codeforces Round #700 | |
| 4503 | Painting the Array II | data structures dp greedy implementation | Statement | B2 | Codeforces Round 700 (Div. 1) {1479} | PROGRAMMING | 750.0 | Editorial of Codeforces Round #700 | |
| 17993 | The Great Hero | greedy implementation | Statement | B | Codeforces Round 700 (Div. 2) {1480} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round #700 | |
| 12492 | Fence Painting | brute force constructive algorithms greedy implementation | Statement | C | Codeforces Round 699 (Div. 2) {1481} | PROGRAMMING | 1500.0 | Codeforces Round #699 (Div. 2) Editorial | |
| 19965 | New Colony | brute force greedy implementation | Statement | B | Codeforces Round 699 (Div. 2) {1481} | PROGRAMMING | 750.0 | Codeforces Round #699 (Div. 2) Editorial | |
| 4911 | AB Graph | constructive algorithms graphs greedy implementation strings | Statement | D | Codeforces Round 699 (Div. 2) {1481} | PROGRAMMING | 2000.0 | Codeforces Round #699 (Div. 2) Editorial | |
| 25817 | Space Navigation | greedy implementation strings | Statement | A | Codeforces Round 699 (Div. 2) {1481} | PROGRAMMING | 500.0 | Codeforces Round #699 (Div. 2) Editorial | |
| 3852 | Basic Diplomacy | constructive algorithms flows greedy implementation | Statement | A | Codeforces Round 709 (Div. 1, based on Technocup 2021 Final Round) {1483} | PROGRAMMING | 500.0 | Technocup 2021: Final Round and Codeforces Round #709 — tutorial | |
| 27194 | Shifting Stacks | greedy implementation | Statement | A | Codeforces Round 703 (Div. 2) {1486} | PROGRAMMING | 500.0 | Codeforces Round #703 (Div. 2) Editorial | |
| 15541 | Minimum Ties | brute force constructive algorithms dfs and similar graphs greedy implementation math | Statement | C | Educational Codeforces Round 104 (Rated for Div. 2) {1487} | PROGRAMMING | 87873 | ||
| 8444 | Pekora and Trampoline | brute force data structures dp graphs greedy implementation | Statement | C | Codeforces Global Round 13 {1491} | PROGRAMMING | 1000.0 | Codeforces Global Round 13 Editorial | |
| 19105 | K-th Largest Value | brute force greedy implementation | Statement | A | Codeforces Global Round 13 {1491} | PROGRAMMING | 500.0 | Codeforces Global Round 13 Editorial | |
| 14288 | Minimal Cost | brute force greedy implementation math | Statement | B | Codeforces Global Round 13 {1491} | PROGRAMMING | 750.0 | Codeforces Global Round 13 Editorial | |
| 1316 | Almost Fault-Tolerant Database | brute force constructive algorithms dfs and similar greedy implementation | Statement | E | Codeforces Round 704 (Div. 2) {1492} | PROGRAMMING | 3000.0 | Codeforces Round #704 Editorial | |
| 4989 | K-beautiful Strings | binary search brute force greedy implementation strings | Statement | C | Codeforces Round 705 (Div. 2) {1493} | PROGRAMMING | 1750.0 | Codeforces Round #705 (Div.2) Editorial | |
| 15407 | Berland Crossword | binary search bitmasks brute force greedy implementation | Statement | B | Educational Codeforces Round 105 (Rated for Div. 2) {1494} | PROGRAMMING | Educational Codeforces Round 105 Editorial | ||
| 2847 | Dogeforces | brute force constructive algorithms divide and conquer dsu greedy implementation trees | Statement | D | Educational Codeforces Round 105 (Rated for Div. 2) {1494} | PROGRAMMING | Educational Codeforces Round 105 Editorial | ||
| 547 | Qingshan and Daniel | brute force data structures greedy implementation | Statement | E | Codeforces Round 706 (Div. 1) {1495} | PROGRAMMING | 2500.0 | Codeforces Round #706 Editorial | |
| 6361 | Let's Go Hiking | constructive algorithms games greedy implementation | Statement | B | Codeforces Round 706 (Div. 1) {1495} | PROGRAMMING | 1000.0 | Codeforces Round #706 Editorial | |
| 22096 | Binary Removals | brute force dp greedy implementation | Statement | B | Educational Codeforces Round 106 (Rated for Div. 2) {1499} | PROGRAMMING | Educational Codeforces Round 106 Editorial | ||
| 26905 | Flip the Bits | constructive algorithms greedy implementation math | Statement | B | Codeforces Round 712 (Div. 2) {1504} | PROGRAMMING | 1000.0 | Codeforces Round #712 Editorial | 1200 |
| 1928 | Cakewalk | constructive algorithms greedy implementation shortest paths | Statement | E | April Fools Day Contest 2021 {1505} | PROGRAMMING | tutorial | ||
| 21254 | Partial Replacement | greedy implementation | Statement | B | Codeforces Round 710 (Div. 3) {1506} | PROGRAMMING | Editorial | ||
| 6715 | Binary Literature | constructive algorithms greedy implementation math strings two pointers | Statement | A | Codeforces Round 715 (Div. 1) {1508} | PROGRAMMING | 750.0 | Codeforces Round #715 Editorial | |
| 6871 | Education | binary search greedy implementation math | Statement | F | Codeforces Round 713 (Div. 3) {1512} | PROGRAMMING | Codeforces Round #713 (Div. 3) Editorial | ||
| 14248 | Fillomino 2 | constructive algorithms greedy implementation | Statement | C | Contest 2050 and Codeforces Round 718 (Div. 1 + Div. 2) {1517} | PROGRAMMING | 1500.0 | Contest 2050 and Codeforces Round #718 (Div.1 + Div.2) Editorial | |
| 2371 | Nastia Plays with a Tree | constructive algorithms data structures dfs and similar dp flows graphs greedy implementation trees | Statement | D | Codeforces Round 720 (Div. 2) {1521} | PROGRAMMING | 2250.0 | 90477 | |
| 9213 | Compression and Expansion | brute force data structures greedy implementation trees | Statement | C | Deltix Round, Spring 2021 (open for everyone, rated, Div. 1 + Div. 2) {1523} | PROGRAMMING | 1500.0 | Deltix Round, Spring 2021. Editorial | 1600 |
| 4862 | Robot Collisions | data structures greedy implementation sortings | Statement | C | Educational Codeforces Round 109 (Rated for Div. 2) {1525} | PROGRAMMING | 90793 | ||
| 3363 | Minimax | constructive algorithms greedy implementation strings | Statement | E | Codeforces Round 733 (Div. 1 + Div. 2, based on VK Cup 2021 - Elimination (Engine)) {1530} | PROGRAMMING | 2000.0 | Codeforces Round #733 Editorial (all problems) | |
| 12999 | Histogram Ugliness | greedy implementation math | Statement | B | Codeforces LATOKEN Round 1 (Div. 1 + Div. 2) {1534} | PROGRAMMING | 1000.0 | Codeforces LATOKEN Round 1 (Div. 1 + Div. 2) Editorial | |
| 17897 | Unstable String | dp greedy implementation strings two pointers | Statement | C | Educational Codeforces Round 110 (Rated for Div. 2) {1535} | PROGRAMMING | 91481 | ||
| 5131 | Omkar and Medians | data structures greedy implementation | Statement | D | Codeforces Round 724 (Div. 2) {1536} | PROGRAMMING | 2000.0 | Codeforces Round #724 — Editorial | 2000 |
| 30650 | Challenging Cliffs | greedy implementation math | Statement | C | Codeforces Round 726 (Div. 2) {1537} | PROGRAMMING | 1000.0 | Codeforces Round #726 (Div.2) Editorial | |
| 30839 | Pretty Permutations | constructive algorithms greedy implementation | Statement | A | Codeforces Round 728 (Div. 2) {1541} | PROGRAMMING | 500.0 | Tutorial | |
| 28038 | Alphabetical Strings | greedy implementation strings | Statement | B | Codeforces Round 731 (Div. 3) {1547} | PROGRAMMING | Codeforces Round #731 (Div. 3) Editorial | ||
| 27188 | Gregor and the Pawn Game | flows graphs greedy implementation | Statement | B | Codeforces Round 736 (Div. 2) {1549} | PROGRAMMING | 750.0 | Codeforces Round 736 Editorial | |
| 10919 | Manhattan Subarrays | brute force geometry greedy implementation | Statement | C | Educational Codeforces Round 111 (Rated for Div. 2) {1550} | PROGRAMMING | Educational Codeforces Round 111 Editorial | ||
| 9866 | Mikasa | binary search bitmasks greedy implementation | Statement | C | Codeforces Round 735 (Div. 2) {1554} | PROGRAMMING | 1750.0 | Editorial of Codeforces Round #735 (Div. 2) | 1800 |
| 422 | Four Vertices | constructive algorithms data structures graphs greedy implementation shortest paths | Statement | G | Codeforces Global Round 16 {1566} | PROGRAMMING | 3000.0 | Codeforces Global Round 16 Editorial | |
| 8362 | Seating Arrangements (hard version) | data structures greedy implementation sortings two pointers | Statement | D2 | Codeforces Global Round 16 {1566} | PROGRAMMING | 1000.0 | Codeforces Global Round 16 Editorial | |
| 4921 | Expression Evaluation Error | constructive algorithms greedy implementation math | Statement | D | Codeforces Round 742 (Div. 2) {1567} | PROGRAMMING | 1750.0 | Codeforces Round #742 Editorial | |
| 294 | Shooting | *special greedy implementation | Statement | C | Kotlin Heroes: Practice 8 {1570} | PROGRAMMING | |||
| 4890 | The Strongest Build | data structures dfs and similar graphs greedy hashing implementation shortest paths | Statement | D | Educational Codeforces Round 114 (Rated for Div. 2) {1574} | PROGRAMMING | 95188 | ||
| 5403 | Array Stabilization (AND version) | binary search brute force graphs greedy implementation math number theory shortest paths | Statement | F | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 11724 | Ticks | brute force dp greedy implementation | Statement | C | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 3942 | Portal | brute force dp greedy implementation | Statement | A | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 500.0 | Codeforces Round #745 Editorial | 1700 |
| 15065 | Gardener and Tree | dfs and similar greedy implementation trees | Statement | E | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 8532 | Social Network | dsu graphs greedy implementation trees | Statement | D | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 2000.0 | Deltix Round, Autumn 2021. Editorial | 1600 |
| 19055 | Divide and Multiply | greedy implementation math number theory | Statement | A | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 500.0 | Deltix Round, Autumn 2021. Editorial | 900 |
| 7318 | BA-String | bitmasks brute force dp greedy implementation math shortest paths | Statement | C | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 1945 | New School | binary search data structures greedy implementation sortings | Statement | E | Hello 2022 {1621} | PROGRAMMING | 2250.0 | ||
| 14634 | Integers Shop | data structures greedy implementation | Statement | B | Hello 2022 {1621} | PROGRAMMING | 1000.0 | ||
| 11966 | Monsters And Spells | data structures dp fft greedy implementation two pointers | Statement | C | Educational Codeforces Round 121 (Rated for Div. 2) {1626} | PROGRAMMING | 99136 | ||
| 3632 | Grid Xor | constructive algorithms greedy implementation interactive math | Statement | C | Codeforces Round 767 (Div. 1) {1628} | PROGRAMMING | 1250.0 | 99276 | |
| 4802 | Big Brush | dfs and similar greedy implementation | Statement | D | Codeforces Round 771 (Div. 2) {1638} | PROGRAMMING | 1750.0 | Codeforces Round #771 Editorial | |
| 701 | Playing Around the Table | constructive algorithms greedy implementation | Statement | F | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 3000.0 | Codeforces Round #774 (Div. 2) Editorial | 2900 |
| 14006 | Game of Ball Passing | greedy implementation | Statement | B | Codeforces Round 775 (Div. 2, based on Moscow Open Olympiad in Informatics) {1649} | PROGRAMMING | 1000.0 | Codeforces Round #775 Editorial | |
| 4492 | Rescheduling the Exam | binary search data structures greedy implementation math sortings | Statement | E | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 18723 | Weight of the System of Nested Segments | greedy hashing implementation sortings | Statement | C | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 657 | Sum of Matchings | dfs and similar greedy implementation math | Statement | E | Educational Codeforces Round 124 (Rated for Div. 2) {1651} | PROGRAMMING | Educational Codeforces Round 124 Editorial | ||
| 19429 | Maximum Cake Tastiness | greedy implementation sortings | Statement | A | Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) {1654} | PROGRAMMING | 500.0 | Editorial of Codeforces Round #778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) | 800 |
| 4479 | Reverse Sort Sum | constructive algorithms data structures greedy implementation math two pointers | Statement | D | Codeforces Round 782 (Div. 2) {1659} | PROGRAMMING | 2000.0 | Codeforces Round #782 (Div. 2) Editorial | |
| 32913 | Red Versus Blue | constructive algorithms greedy implementation math | Statement | A | Codeforces Round 782 (Div. 2) {1659} | PROGRAMMING | 500.0 | Codeforces Round #782 (Div. 2) Editorial | |
| 15749 | Line Empire | dp greedy implementation math | Statement | C | Codeforces Round 782 (Div. 2) {1659} | PROGRAMMING | 1500.0 | Codeforces Round #782 (Div. 2) Editorial | |
| 8154 | Matrix and Shifts | constructive algorithms greedy implementation | Statement | E | Codeforces Round 780 (Div. 3) {1660} | PROGRAMMING | Codeforces Round #780 (Div. 3) Editorial | ||
| 5421 | Progressions Covering | data structures greedy implementation | Statement | D | Educational Codeforces Round 126 (Rated for Div. 2) {1661} | PROGRAMMING | Educational Codeforces Round 126 Editorial | ||
| 1849 | MinimizOR | binary search bitmasks data structures dp greedy implementation | Statement | E | Codeforces Round 781 (Div. 2) {1665} | PROGRAMMING | 2250.0 | Codeforces Round #781 (Div. 2) Editorial | |
| 42192 | Odd/Even Increments | greedy greedy implementation math | Statement | C | Codeforces Round 784 (Div. 4) {1669} | PROGRAMMING | 102101 | 800 | |
| 16028 | Prof. Slim | greedy implementation sortings | Statement | A | Codeforces Round 788 (Div. 2) {1670} | PROGRAMMING | 500.0 | Tutorial | 800 |
| 14080 | Unequal Array | constructive algorithms greedy implementation | Statement | C | Codeforces Global Round 20 {1672} | PROGRAMMING | 750.0 | Global Round 20 Editorial | 1100 |
| 6983 | Cyclic Rotation | constructive algorithms greedy implementation two pointers | Statement | D | Codeforces Global Round 20 {1672} | PROGRAMMING | 1000.0 | Global Round 20 Editorial | 1700 |
| 5719 | Desktop Rearrangement | data structures greedy implementation | Statement | F | Codeforces Round 786 (Div. 3) {1674} | PROGRAMMING | 102482 | ||
| 29776 | X-Sum | brute force greedy implementation | Statement | D | Codeforces Round 790 (Div. 4) {1676} | PROGRAMMING | Codeforces Round #790 (Div. 4) Editorial | ||
| 35285 | Most Similar Words | brute force greedy implementation implementation math strings | Statement | C | Codeforces Round 790 (Div. 4) {1676} | PROGRAMMING | Codeforces Round #790 (Div. 4) Editorial | ||
| 20527 | Longest Strike | data structures greedy implementation sortings two pointers | Statement | F | Codeforces Round 790 (Div. 4) {1676} | PROGRAMMING | Codeforces Round #790 (Div. 4) Editorial | ||
| 16587 | LIS or Reverse LIS? | constructive algorithms greedy implementation math | Statement | C | Codeforces Round 793 (Div. 2) {1682} | PROGRAMMING | 1500.0 | Codeforces Round #793 (Div. 2) Editorial | |
| 3729 | Linguistics | greedy implementation strings | Statement | B | Codeforces Round 794 (Div. 1) {1685} | PROGRAMMING | 1000.0 | 103198 | 2000 |