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< 1 2 3 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 18595 | Square? | brute force implementation math | Statement | B | Testing Round 16 (Unrated) {1351} | PROGRAMMING | 1000.0 | 900 | |
| 6380 | Not So Simple Polygon Embedding | binary search brute force geometry math | Statement | C2 | Educational Codeforces Round 87 (Rated for Div. 2) {1354} | PROGRAMMING | 77593 | 2000 | |
| 28931 | Sequence with Digits | brute force implementation math | Statement | A | Codeforces Round 643 (Div. 2) {1355} | PROGRAMMING | 750.0 | Codeforces Round #643 (Div. 2) Editorial | 1200 |
| 31845 | Berland Poker | brute force greedy math | Statement | A | Educational Codeforces Round 88 (Rated for Div. 2) {1359} | PROGRAMMING | Educational Codeforces Round 88 Editorial | 1000 | |
| 585 | RC Kaboom Show | binary search brute force data structures geometry math | Statement | F | Educational Codeforces Round 88 (Rated for Div. 2) {1359} | PROGRAMMING | Educational Codeforces Round 88 Editorial | 2900 | |
| 40683 | Odd Selection | brute force implementation math | Statement | A | Codeforces Round 646 (Div. 2) {1363} | PROGRAMMING | 500.0 | 78202 | 1200 |
| 21593 | Codeforces Subsequences | brute force constructive algorithms greedy math strings | Statement | B | Codeforces Global Round 8 {1368} | PROGRAMMING | 1000.0 | Codeforces Global Round 8: editorial | |
| 46678 | C+= | brute force greedy math | Statement | A | Codeforces Global Round 8 {1368} | PROGRAMMING | 500.0 | Codeforces Global Round 8: editorial | |
| 25166 | GCD Compression | brute force constructive algorithms math number theory | Statement | B | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 1000.0 | Editorial — Codeforces Round #651 | |
| 65557 | Maximum GCD | brute force greedy implementation number theory | Statement | A | Codeforces Round 651 (Div. 2) {1370} | PROGRAMMING | 500.0 | Editorial — Codeforces Round #651 | |
| 5536 | Asterism (Easy Version) | brute force combinatorics implementation math number theory sortings | Statement | E1 | Codeforces Round 654 (Div. 2) {1371} | PROGRAMMING | 1500.0 | Codeforces Round #654 (Div. 2) Editorial | |
| 5738 | Omkar and Circle | brute force constructive algorithms dp games greedy | Statement | D | Codeforces Round 655 (Div. 2) {1372} | PROGRAMMING | 2000.0 | Codeforces Round #655 Editorial | 2100 |
| 2966 | Sum of Digits | brute force constructive algorithms dp greedy math number theory | Statement | E | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 2518 | Integer Game | brute force constructive algorithms games interactive math | Statement | F | Codeforces Global Round 9 {1375} | PROGRAMMING | 2000.0 | 79731 | |
| 13204 | Dubious Cyrpto | binary search brute force math number theory | Statement | B | Codeforces Round 657 (Div. 2) {1379} | PROGRAMMING | 750.0 | Codeforces Round #657 Editorial | 1500 |
| 5026 | Berserk And Fireball | brute force greedy math | Statement | D | Educational Codeforces Round 91 (Rated for Div. 2) {1380} | PROGRAMMING | Educational Codeforces Round 91 Editorial | ||
| 25996 | Captain Flint and Crew Recruitment | brute force math number theory | Statement | A | Codeforces Round 660 (Div. 2) {1388} | PROGRAMMING | 750.0 | Codeforces Round #660 Editorial | 800 |
| 4560 | Segment Intersections | binary search brute force greedy implementation math | Statement | D | Educational Codeforces Round 92 (Rated for Div. 2) {1389} | PROGRAMMING | 80809 | ||
| 15527 | Power Sequence | binary search brute force math number theory ternary search | Statement | B | Codeforces Round 666 (Div. 2) {1397} | PROGRAMMING | 1000.0 | Codeforces Round #666 — Editorial | |
| 11719 | RPG Protagonist | binary search brute force greedy math | Statement | B | Educational Codeforces Round 94 (Rated for Div. 2) {1400} | PROGRAMMING | 81942 | ||
| 11448 | Zigzags | brute force data structures dp math two pointers | Statement | D | Educational Codeforces Round 94 (Rated for Div. 2) {1400} | PROGRAMMING | 81942 | ||
| 18127 | Big Vova | brute force greedy math number theory | Statement | B | Codeforces Round 669 (Div. 2) {1407} | PROGRAMMING | 1000.0 | Codeforces Round #669 Editorial | |
| 31043 | Minimum Product | brute force greedy math | Statement | B | Codeforces Round 667 (Div. 3) {1409} | PROGRAMMING | Codeforces Round #667 (Div. 3) Editorial | ||
| 24734 | Yet Another Array Restoration | brute force math | Statement | C | Codeforces Round 667 (Div. 3) {1409} | PROGRAMMING | Codeforces Round #667 (Div. 3) Editorial | ||
| 15898 | Prison Break | brute force brute force math | Statement | A | Technocup 2021 - Elimination Round 2 {1415} | PROGRAMMING | 500.0 | Editorial of Codeforces Round 687 (Technocup 2021 — Elimitation Round 2) | |
| 17041 | 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 | |
| 4388 | Hexagons | brute force implementation math shortest paths ternary search | Statement | D | Codeforces Round 676 (Div. 2) {1421} | PROGRAMMING | 2000.0 | Codeforces Round #676 (Div. 2) Editorial | |
| 8158 | Rock, Paper, Scissors | brute force constructive algorithms flows greedy math | Statement | E | Codeforces Round 674 (Div. 3) {1426} | PROGRAMMING | 83120 | 1800 | |
| 21882 | Number of Apartments | brute force dp math | Statement | A | Educational Codeforces Round 96 (Rated for Div. 2) {1430} | PROGRAMMING | Educational Codeforces Round 96 — Editorial | ||
| 18490 | Marketing Scheme | brute force constructive algorithms greedy math | Statement | A | Educational Codeforces Round 97 (Rated for Div. 2) {1437} | PROGRAMMING | 84149 | ||
| 1566 | Long Permutation | brute force combinatorics math | Statement | E | Codeforces Round 681 (Div. 2, based on VK Cup 2019-2020 - Final) {1443} | PROGRAMMING | 2500.0 | VK Cup 2019-2020 -- Engine Editorial | |
| 4458 | Checkpoints | brute force constructive algorithms greedy math probabilities | Statement | D | Codeforces Round 688 (Div. 2) {1453} | PROGRAMMING | 2000.0 | Codeforces Round #688 (Div. 2) Editorial | |
| 1653 | Four Points | brute force constructive algorithms flows geometry greedy math ternary search | Statement | E | Educational Codeforces Round 99 (Rated for Div. 2) {1455} | PROGRAMMING | 85186 | ||
| 10326 | Divide and Summarize | binary search brute force data structures divide and conquer implementation sortings | Statement | D | Codeforces Round 689 (Div. 2, based on Zed Code Competition) {1461} | PROGRAMMING | 1500.0 | Codeforces Round #689 (Div. 2). Editorial | |
| 2221 | 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 | |
| 23234 | Bovine Dilemma | brute force math | Statement | A | Good Bye 2020 {1466} | PROGRAMMING | 500.0 | Good Bye 2020 Editorial | |
| 10243 | Ceil Divisions | brute force constructive algorithms math number theory | Statement | D | Educational Codeforces Round 101 (Rated for Div. 2) {1469} | PROGRAMMING | Educational Codeforces Round 101 Editorial | ||
| 6799 | Strange Definition | bitmasks brute force data structures graphs math number theory | Statement | B | Codeforces Round 694 (Div. 1) {1470} | PROGRAMMING | 750.0 | 86464 | |
| 19962 | Strange List | brute force greedy implementation math | Statement | B | Codeforces Round 694 (Div. 2) {1471} | PROGRAMMING | 750.0 | Codeforces Round #694 Editorial | |
| 35274 | String LCM | brute force math strings | Statement | B | Educational Codeforces Round 102 (Rated for Div. 2) {1473} | PROGRAMMING | Educational Codeforces Round 102 Editorial | ||
| 57761 | New Year's Number | brute force dp math | Statement | B | Codeforces Round 697 (Div. 3) {1475} | PROGRAMMING | Codeforces Round #697 (Div. 3) Editorial | ||
| 21707 | Inflation | binary search brute force greedy math | Statement | B | Educational Codeforces Round 103 (Rated for Div. 2) {1476} | PROGRAMMING | 87356 | ||
| 19036 | Nezzar and Lucky Number | brute force dp math | Statement | B | Codeforces Round 698 (Div. 2) {1478} | PROGRAMMING | 1000.0 | Tutorial | 1100 |
| 34117 | Add and Divide | brute force greedy math ternary search | Statement | A | Codeforces Round 701 (Div. 2) {1485} | PROGRAMMING | 500.0 | Editorial of Codeforces Round #701 (Div. 2) | 1000 |
| 11102 | Floor and Mod | binary search brute force data structures math number theory | Statement | C | Codeforces Round 701 (Div. 2) {1485} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round #701 (Div. 2) | 1700 |
| 15492 | 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 | ||
| 482 | Two Policemen | *special binary search brute force math | Statement | C | Kotlin Heroes: Episode 6 {1488} | PROGRAMMING | 88522 | ||
| 39119 | Sum of Cubes | binary search brute force brute force math | Statement | C | Codeforces Round 702 (Div. 3) {1490} | PROGRAMMING | Codeforces Round #702 (Div. 3) Editorial | ||
| 27988 | Balanced Remainders | brute force constructive algorithms math | Statement | B | Codeforces Round 702 (Div. 3) {1490} | PROGRAMMING | Codeforces Round #702 (Div. 3) Editorial | ||
| 14270 | Minimal Cost | brute force greedy implementation math | Statement | B | Codeforces Global Round 13 {1491} | PROGRAMMING | 750.0 | Codeforces Global Round 13 Editorial | |
| 24826 | GCD Sum | brute force math | Statement | A | CodeCraft-21 and Codeforces Round 711 (Div. 2) {1498} | PROGRAMMING | 500.0 | CodeCraft-21 and Codeforces Round #711 (Div. 2) Editorial | |
| 9565 | Going Home | brute force implementation math | Statement | A | Codeforces Round 707 (Div. 1, based on Moscow Open Olympiad in Informatics) {1500} | PROGRAMMING | 750.0 | Codeforces Round #707 Editorial | 1800 |
| 2324 | Two chandeliers | binary search brute force chinese remainder theorem math number theory | Statement | B | Codeforces Round 707 (Div. 1, based on Moscow Open Olympiad in Informatics) {1500} | PROGRAMMING | 750.0 | Codeforces Round #707 Editorial | 2200 |
| 2122 | Digits | brute force dp math number theory | Statement | D | 2020-2021 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1510} | PROGRAMMING | nerc-2020-offline-tutorial.pdf | ||
| 9567 | Short Task | brute force dp math number theory | Statement | G | Codeforces Round 713 (Div. 3) {1512} | PROGRAMMING | Codeforces Round #713 (Div. 3) Editorial | ||
| 17728 | Maximum Sum of Products | brute force dp implementation math ternary search two pointers | Statement | D | Educational Codeforces Round 108 (Rated for Div. 2) {1519} | PROGRAMMING | Educational Codeforces Round 108 Editorial | ||
| 49993 | Ordinary Numbers | brute force math number theory | Statement | B | Codeforces Round 719 (Div. 3) {1520} | PROGRAMMING | Editorial | ||
| 2809 | Kill Anton | brute force constructive algorithms data structures math strings | Statement | D | Codeforces Round 723 (Div. 2) {1526} | PROGRAMMING | 2250.0 | Codeforces Round #723 (Div. 2) Editorial | |
| 34336 | Array Reodering | brute force greedy math number theory sortings | Statement | B | Educational Codeforces Round 110 (Rated for Div. 2) {1535} | PROGRAMMING | 91481 | ||
| 3007 | Tree Array | brute force combinatorics dp math probabilities trees | Statement | B | Codeforces Round 728 (Div. 1) {1540} | PROGRAMMING | 1250.0 | Tutorial | |
| 39304 | Pleasant Pairs | brute force math number theory | Statement | B | Codeforces Round 728 (Div. 2) {1541} | PROGRAMMING | 1000.0 | Tutorial | |
| 5641 | Need for Pink Slips | brute force dfs and similar implementation math probabilities | Statement | C | Codeforces Round 730 (Div. 2) {1543} | PROGRAMMING | 1500.0 | Codeforces Round #730 (Div. 2) Editorial | |
| 283 | Gregor and the Odd Cows (Hard) | brute force geometry math number theory | Statement | D2 | Codeforces Round 736 (Div. 1) {1548} | PROGRAMMING | 1000.0 | Codeforces Round 736 Editorial | |
| 2064 | Excellent Arrays | brute force combinatorics constructive algorithms implementation math | Statement | D | Educational Codeforces Round 111 (Rated for Div. 2) {1550} | PROGRAMMING | Educational Codeforces Round 111 Editorial | ||
| 3801 | Permutation Shift | brute force combinatorics constructive algorithms dfs and similar graphs math | Statement | E | Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2) {1553} | PROGRAMMING | 1750.0 | Harbour.Space Scholarship Contest 2021-2022 (Div. 1 + Div. 2) Editorial | |
| 13887 | Cobb | bitmasks brute force greedy math | Statement | B | Codeforces Round 735 (Div. 2) {1554} | PROGRAMMING | 1250.0 | Editorial of Codeforces Round #735 (Div. 2) | 1700 |
| 30455 | PizzaForces | brute force math | Statement | A | Educational Codeforces Round 112 (Rated for Div. 2) {1555} | PROGRAMMING | 93389 | 900 | |
| 29240 | Ezzat and Two Subsequences | brute force math | Statement | A | Codeforces Round 737 (Div. 2) {1557} | PROGRAMMING | 500.0 | Codeforces Round #737 Editorial | |
| 11505 | Charmed by the Game | brute force math | Statement | A | Codeforces Round 740 (Div. 1, based on VK Cup 2021 - Final (Engine)) {1558} | PROGRAMMING | 500.0 | Codeforces Round #740 Editorial | 1300 |
| 5303 | Up the Strip | brute force dp math number theory | Statement | B | Codeforces Round 740 (Div. 1, based on VK Cup 2021 - Final (Engine)) {1558} | PROGRAMMING | 1250.0 | Codeforces Round #740 Editorial | 1900 |
| 6143 | Up the Strip (simplified version) | brute force data structures dp math number theory | Statement | D1 | Codeforces Round 740 (Div. 2, based on VK Cup 2021 - Final (Engine)) {1561} | PROGRAMMING | 1500.0 | Codeforces Round #740 Editorial | 1700 |
| 20604 | Scenes From a Memory | brute force implementation math number theory | Statement | B | Codeforces Round 741 (Div. 2) {1562} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round 741 (Div. 2) | |
| 369 | Sweepstake | *special brute force constructive algorithms implementation math | Statement | D | Kotlin Heroes: Episode 8 {1571} | PROGRAMMING | Kotlin Heroes 8 Editorial | ||
| 5388 | 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 | ||
| 29138 | Make Them Equal | brute force greedy math strings | Statement | C | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1500.0 | 95525 | 1200 |
| 1623 | Rubik's Cube Coloring (hard version) | brute force dp implementation math trees | Statement | E2 | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1500.0 | 95525 | 2300 |
| 409 | Shortest path | brute force geometry math | Statement | G | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 1944 | AmShZ and G.O.A.T. | binary search brute force greedy math | Statement | E | Codeforces Global Round 17 {1610} | PROGRAMMING | 2500.0 | Codeforces Global Round 17 Editorial | |
| 9228 | Menorah | brute force graphs greedy math | Statement | C | Codeforces Global Round 18 {1615} | PROGRAMMING | 1750.0 | Global Round 18 Editorial | |
| 13241 | Representative Edges | brute force geometry implementation math | Statement | C | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 1500.0 | Good Bye 2021 -- Editorial | 1500 |
| 27008 | GCD Problem | brute force constructive algorithms math | Statement | B | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 1000.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 7299 | BA-String | bitmasks brute force dp greedy implementation math shortest paths | Statement | C | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 2252 | Math Test | bitmasks brute force greedy | Statement | E | Educational Codeforces Round 120 (Rated for Div. 2) {1622} | PROGRAMMING | Educational Codeforces Round 120 Editorial | ||
| 20746 | Robot Cleaner | brute force implementation math | Statement | A | Codeforces Round 763 (Div. 2) {1623} | PROGRAMMING | 500.0 | Codeforces Round #763 (Div. 2) Editorial | |
| 17103 | Meximum Array | brute force constructive algorithms greedy math | Statement | A | Codeforces Round 767 (Div. 1) {1628} | PROGRAMMING | 500.0 | 99276 | |
| 14156 | Strange Test | binary search bitmasks brute force greedy math | Statement | C | Codeforces Round 769 (Div. 2) {1632} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round #769 | |
| 21297 | Kill the Monster | brute force math | Statement | C | Educational Codeforces Round 122 (Rated for Div. 2) {1633} | PROGRAMMING | 99539 | ||
| 1916 | Fibonacci Additions | brute force hashing math | Statement | F | Codeforces Round 770 (Div. 2) {1634} | PROGRAMMING | 3000.0 | Codeforces Round #770 (Div. 2) editorial | |
| 15475 | MEX and Array | brute force dp greedy math | Statement | B | Codeforces Global Round 19 {1637} | PROGRAMMING | 1000.0 | Tutorial | |
| 3494 | Expand the Path | brute force combinatorics implementation math | Statement | E | Educational Codeforces Round 123 (Rated for Div. 2) {1644} | PROGRAMMING | 100227 | ||
| 19984 | Factorials and Powers of Two | bitmasks brute force constructive algorithms math | Statement | C | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 1250.0 | Codeforces Round #774 (Div. 2) Editorial | 1500 |
| 2767 | Power Board | brute force math number theory | Statement | E | Codeforces Round 774 (Div. 2) {1646} | PROGRAMMING | 2500.0 | Codeforces Round #774 (Div. 2) Editorial | 2200 |
| 17163 | Madoka and the Elegant Gift | brute force graphs implementation | Statement | B | Codeforces Round 777 (Div. 2) {1647} | PROGRAMMING | 1250.0 | Codeforces Round #777 Editorial | |
| 7327 | Integral Array | brute force constructive algorithms data structures math | Statement | B | Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics) {1648} | PROGRAMMING | 1000.0 | Codeforces Round #775 Editorial | |
| 15285 | Twist the Permutation | brute force constructive algorithms math | Statement | D | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 483 | Tower Defense | binary search brute force data structures | Statement | F | Educational Codeforces Round 124 (Rated for Div. 2) {1651} | PROGRAMMING | Educational Codeforces Round 124 Editorial | ||
| 2371 | Arithmetic Operations | brute force divide and conquer graphs math | Statement | E | Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) {1654} | PROGRAMMING | 2500.0 | Editorial of Codeforces Round #778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) | 2300 |
| 3185 | 388535 (Hard Version) | bitmasks brute force data structures math | Statement | D2 | Codeforces Round 779 (Div. 2) {1658} | PROGRAMMING | 750.0 | Codeforces Round #779 (Div. 2) Editorial | |
| 947 | Juju and Binary String | brute force constructive algorithms math | Statement | F | Codeforces Round 779 (Div. 2) {1658} | PROGRAMMING | 3000.0 | Codeforces Round #779 (Div. 2) Editorial | |
| 1987 | AND-MEX Walk | bitmasks brute force data structures dfs and similar dsu graphs greedy | Statement | E | Codeforces Round 782 (Div. 2) {1659} | PROGRAMMING | 2250.0 | Codeforces Round #782 (Div. 2) Editorial | |
| 7986 | Promising String (easy version) | brute force implementation math strings | Statement | F1 | Codeforces Round 780 (Div. 3) {1660} | PROGRAMMING | Codeforces Round #780 (Div. 3) Editorial | ||
| 1780 | Interactive Treasure Hunt | brute force interactive math | Statement | I | 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} | PROGRAMMING | Tutorial (PDF) | ||
| 15731 | Make it Increasing | brute force greedy math | Statement | A | Codeforces Round 783 (Div. 1) {1667} | PROGRAMMING | 250.0 | Codeforces Round #783 Editorial | 1300 |
| 5687 | Very Suspicious | binary search brute force geometry implementation math | Statement | D | Codeforces Round 788 (Div. 2) {1670} | PROGRAMMING | 2250.0 | Tutorial | 1700 |
| 26172 | Dolce Vita | binary search brute force greedy math | Statement | C | Educational Codeforces Round 127 (Rated for Div. 2) {1671} | PROGRAMMING | 102181 | ||
| 437 | Permutation Counting | brute force combinatorics dp fft math | Statement | F | Educational Codeforces Round 127 (Rated for Div. 2) {1671} | PROGRAMMING | 102181 | ||
| 19777 | Consecutive Points Segment | brute force math sortings | Statement | B | Educational Codeforces Round 127 (Rated for Div. 2) {1671} | PROGRAMMING | 102181 | ||
| 7336 | Breaking the Wall | binary search brute force constructive algorithms greedy math | Statement | E | Codeforces Round 786 (Div. 3) {1674} | PROGRAMMING | 102482 | ||
| 34878 | 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 | ||
| 41634 | AvtoBus | brute force greedy math number theory | Statement | A | Codeforces Round 791 (Div. 2) {1679} | PROGRAMMING | 500.0 | Codeforces Round #791 (Div. 2) Editorial | |
| 1354 | Dog Walking | brute force greedy math | Statement | D | Educational Codeforces Round 128 (Rated for Div. 2) {1680} | PROGRAMMING | 102852 | ||
| 738 | Cute number | binary search brute force implementation math | Statement | D | Codeforces Round 796 (Div. 1) {1687} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 796 | |
| 17313 | Sum of Substrings | brute force constructive algorithms greedy math strings | Statement | C | CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} | PROGRAMMING | 1250.0 | Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2) | |
| 27510 | 3SUM | brute force math | Statement | F | Codeforces Round 799 (Div. 4) {1692} | PROGRAMMING | Codeforces Round #799 (Div. 4) Editorial | ||
| 204 | Maximum Product? | brute force combinatorics dp greedy math two pointers | Statement | H | Codeforces Global Round 21 {1696} | PROGRAMMING | 4000.0 | Editorial of Codeforces Global Round 21 | |
| 12869 | Good Key, Bad Key | bitmasks brute force dp greedy math | Statement | G | Codeforces Round 806 (Div. 4) {1703} | PROGRAMMING | 104786 | ||
| 29355 | Double Strings | brute force data structures strings | Statement | D | Codeforces Round 806 (Div. 4) {1703} | PROGRAMMING | 104786 | ||
| 6443 | Difference Array | brute force implementation math sortings | Statement | B | Codeforces Round 808 (Div. 1) {1707} | PROGRAMMING | 750.0 | 104930 | |
| 31676 | Three Doors | brute force dfs and similar math | Statement | A | Educational Codeforces Round 132 (Rated for Div. 2) {1709} | PROGRAMMING | 105164 | ||
| 2804 | Rain | brute force data structures math | Statement | B | Codeforces Round 810 (Div. 1) {1710} | PROGRAMMING | 1000.0 | Codeforces Round #810 Editorial | |
| 2483 | LCM Sum (easy version) | binary search brute force combinatorics math number theory two pointers | Statement | E1 | Codeforces Round 813 (Div. 2) {1712} | PROGRAMMING | 2000.0 | Codeforces Round #813 (Div. 2) Editorial | |
| 24061 | Add Modulo 10 | brute force math number theory | Statement | E | Codeforces Round 811 (Div. 3) {1714} | PROGRAMMING | Codeforces Round #811 (Div. 3) Editorial | ||
| 6173 | Chip Move | brute force dp math | Statement | D | Educational Codeforces Round 133 (Rated for Div. 2) {1716} | PROGRAMMING | 105653 | ||
| 3452 | Madoka and The Best University | brute force math number theory | Statement | E | Codeforces Round 818 (Div. 2) {1717} | PROGRAMMING | 2000.0 | Codeforces Round #818 (Div. 2) Editorial. | 2200 |
| 3497 | Fibonacci Strings | brute force data structures greedy implementation math number theory | Statement | B | Codeforces Round 814 (Div. 1) {1718} | PROGRAMMING | 1250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 1865 | Tonya and Burenka-179 | brute force data structures greedy math number theory | Statement | C | Codeforces Round 814 (Div. 1) {1718} | PROGRAMMING | 1250.0 | Codeforces Round #814 (Div. 1, Div. 2) Editorial | |
| 7749 | Maximum AND | bitmasks brute force divide and conquer greedy math sortings | Statement | D | Educational Codeforces Round 134 (Rated for Div. 2) {1721} | PROGRAMMING | 106416 | ||
| 2038 | Red-Black Pepper | binary search brute force greedy math number theory sortings ternary search | Statement | E | Educational Codeforces Round 135 (Rated for Div. 2) {1728} | PROGRAMMING | 106805 | ||
| 4580 | Kirei and the Linear Function | brute force math | Statement | F | Codeforces Round 820 (Div. 3) {1729} | PROGRAMMING | Codeforces Round #820 (Div. 3) Editorial | ||
| 12337 | Even Subarrays | bitmasks brute force hashing math number theory | Statement | C | Codeforces Round 841 (Div. 2) and Divide by Zero 2022 {1731} | PROGRAMMING | 1500.0 | Codeforces Round #841 (Div. 2) and Divide By Zero 2022 Editorial | |
| 861 | Function Sum | brute force combinatorics dp fft math | Statement | F | Codeforces Round 841 (Div. 2) and Divide by Zero 2022 {1731} | PROGRAMMING | 2750.0 | Codeforces Round #841 (Div. 2) and Divide By Zero 2022 Editorial | |
| 17650 | Bestie | brute force constructive algorithms implementation math number theory | Statement | A | Codeforces Round 830 (Div. 2) {1732} | PROGRAMMING | 750.0 | 108327 | 1000 |
| 6903 | Meta-set | brute force combinatorics data structures hashing math | Statement | D | Codeforces Round 824 (Div. 2) {1735} | PROGRAMMING | 1750.0 | Codeforces Round #824 — editorial | |
| 19430 | Minimize the Thickness | brute force greedy math two pointers | Statement | C | Codeforces Round 826 (Div. 3) {1741} | PROGRAMMING | 107908 | ||
| 13440 | Orray | bitmasks brute force greedy math | Statement | G | Codeforces Round 827 (Div. 4) {1742} | PROGRAMMING | 107962 | ||
| 12873 | Divisible Numbers (easy version) | brute force math number theory | Statement | E1 | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 6899 | Divisible Numbers (hard version) | brute force math number theory | Statement | E2 | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 3814 | MEX vs MED | brute force math two pointers | Statement | F | Codeforces Round 828 (Div. 3) {1744} | PROGRAMMING | Codeforces Round #828 (Div. 3) Editorial | ||
| 8524 | Range = √Sum | binary search brute force constructive algorithms math two pointers | Statement | D | Codeforces Round 836 (Div. 2) {1758} | PROGRAMMING | 1750.0 | Codeforces Round #836 (Div. 2) Editorial | |
| 10495 | SlavicG's Favorite Problem | bitmasks brute force constructive algorithms data structures dfs and similar graphs greedy | Statement | G | Codeforces Round 835 (Div. 4) {1760} | PROGRAMMING | 109348 | ||
| 2797 | Carry Bit | bitmasks brute force combinatorics dp math | Statement | D | Pinely Round 1 (Div. 1 + Div. 2) {1761} | PROGRAMMING | 1750.0 | Pinely Round 1 (Div. 1 + Div. 2) Editorial | |
| 1199 | Doremy's Experimental Tree | brute force constructive algorithms dfs and similar dsu sortings trees | Statement | F | Codeforces Global Round 24 {1764} | PROGRAMMING | 2250.0 | Codeforces Global Round 24 Editorial | |
| 10827 | Lucky Chains | brute force dp greedy math number theory | Statement | D | Educational Codeforces Round 139 (Rated for Div. 2) {1766} | PROGRAMMING | 110066 | ||
| 878 | Laboratory on Pluto | brute force combinatorics dp fft greedy math | Statement | F | Codeforces Round 843 (Div. 2) {1775} | PROGRAMMING | 3000.0 | Codeforces Round #843 (Div. 2) Editorial | |
| 26654 | GCD Partition | brute force greedy math number theory | Statement | B | Codeforces Round 846 (Div. 2) {1780} | PROGRAMMING | 1000.0 | 111841 | |
| 1328 | Bracket Insertion | brute force combinatorics constructive algorithms dp math trees | Statement | F | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 3250.0 | Tutorial | |
| 6337 | Many Perfect Squares | brute force math number theory | Statement | D | VK Cup 2022 - Отборочный раунд (Engine) {1781} | PROGRAMMING | 2000.0 | Tutorial | |
| 2454 | Game of the Year | brute force math number theory | Statement | E | Educational Codeforces Round 141 (Rated for Div. 2) {1783} | PROGRAMMING | Educational Codeforces Round 141 Editorial | ||
| 4717 | Moving Dots | binary search brute force combinatorics dp math two pointers | Statement | D | Codeforces Round 851 (Div. 2) {1788} | PROGRAMMING | 2250.0 | Codeforces Round #851 (Div. 2) Editorial | |
| 55312 | One and Two | brute force math | Statement | A | Codeforces Round 851 (Div. 2) {1788} | PROGRAMMING | 500.0 | Codeforces Round #851 (Div. 2) Editorial | |
| 975 | Serval and Music Game | brute force combinatorics implementation math number theory | Statement | E | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 2000.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 34912 | Serval and Mocha's Array | brute force math number theory | Statement | A | Codeforces Round 853 (Div. 2) {1789} | PROGRAMMING | 500.0 | Codeforces Round #853 (Div. 2) Editorial | |
| 4035 | Timofey and Black-White Tree | brute force dfs and similar divide and conquer graphs greedy math shortest paths trees | Statement | F | Codeforces Round 847 (Div. 3) {1790} | PROGRAMMING | 111948 | ||
| 26964 | Premutation | brute force implementation math | Statement | C | Codeforces Round 847 (Div. 3) {1790} | PROGRAMMING | 111948 | ||
| 16922 | Min Max Sort | binary search brute force greedy math | Statement | C | Educational Codeforces Round 142 (Rated for Div. 2) {1792} | PROGRAMMING | 111835 | ||
| 12266 | Maximum Set | binary search brute force combinatorics dp math | Statement | C | Educational Codeforces Round 144 (Rated for Div. 2) {1796} | PROGRAMMING | Educational Codeforces Round 144 Editorial | ||
| 1649 | Li Hua and Array | brute force data structures math number theory | Statement | E | Codeforces Round 864 (Div. 2) {1797} | PROGRAMMING | 2250.0 | Codeforces Round 864 (Div. 2) Editorial | |
| 12841 | Equalize by Divide | brute force constructive algorithms greedy math | Statement | B | Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} | PROGRAMMING | 1000.0 | Codeforces Round #854 Editorial | |
| 13910 | Pull Your Luck | brute force greedy math number theory | Statement | C | Nebius Welcome Round (Div. 1 + Div. 2) {1804} | PROGRAMMING | 1000.0 | Nebius Welcome Round Editorial | |
| 1364 | Survival of the Weakest (easy version) | brute force math sortings | Statement | F1 | Codeforces Round 862 (Div. 2) {1805} | PROGRAMMING | 1750.0 | Editorial of Codeforces Round #862 (Div. 2) | |
| 8705 | Sequence Master | brute force constructive algorithms math | Statement | C | Codeforces Round 858 (Div. 2) {1806} | PROGRAMMING | 1750.0 | Codeforces Round #858 (Div. 2) Editorial | |
| 582 | Minibuses on Venus (hard version) | brute force combinatorics dp math | Statement | E3 | Codeforces Round 861 (Div. 2) {1808} | PROGRAMMING | 750.0 | Codeforces Round #861 (Div. 2) editorial | 2800 |
| 11646 | Long Legs | brute force math | Statement | B | Educational Codeforces Round 146 (Rated for Div. 2) {1814} | PROGRAMMING | Educational Codeforces Round 146 Editorial | ||
| 5558 | Black Cells | binary search brute force greedy math | Statement | D | Educational Codeforces Round 147 (Rated for Div. 2) {1821} | PROGRAMMING | 115296 | ||
| 16281 | Tear It Apart | brute force implementation math strings | Statement | C | Educational Codeforces Round 147 (Rated for Div. 2) {1821} | PROGRAMMING | 115296 | ||
| 9681 | Magic Triples (Easy Version) | brute force math number theory | Statement | G1 | Codeforces Round 867 (Div. 3) {1822} | PROGRAMMING | Codeforces Round #867 (Div. 3) Editorial | ||
| 3087 | Magic Triples (Hard Version) | brute force math number theory | Statement | G2 | Codeforces Round 867 (Div. 3) {1822} | PROGRAMMING | Codeforces Round #867 (Div. 3) Editorial | ||
| 18214 | Sort with Step | brute force math sortings | Statement | B | Codeforces Round 868 (Div. 2) {1823} | PROGRAMMING | 1000.0 | 115465 | |
| 5892 | The BOSS Can Count Pairs | brute force data structures math | Statement | B | Codeforces Round 875 (Div. 1) {1830} | PROGRAMMING | 1000.0 | Codeforces Round #875 (Div.1 + Div. 2) Editorial | |
| 2807 | MEX of LCM | binary search brute force data structures implementation math number theory two pointers | Statement | E | Codeforces Round 879 (Div. 2) {1834} | PROGRAMMING | 2500.0 | Codeforces Round #879 Editorial | |
| 1093 | Lottery | binary search brute force greedy math sortings two pointers | Statement | B | Codeforces Round 880 (Div. 1) {1835} | PROGRAMMING | 1250.0 | Codeforces Round 880 Editorial | |
| 8780 | k-th equality | brute force implementation math | Statement | A | Codeforces Round 880 (Div. 1) {1835} | PROGRAMMING | 500.0 | Codeforces Round 880 Editorial | |
| 2818 | In Search of Truth (Easy Version) | brute force constructive algorithms interactive math probabilities | Statement | G1 | Codeforces Round 878 (Div. 3) {1840} | PROGRAMMING | Codeforces Round #878 (Div.3) Editorial | ||
| 9153 | Ranom Numbers | brute force dp greedy math strings | Statement | C | Educational Codeforces Round 150 (Rated for Div. 2) {1841} | PROGRAMMING | 117262 | ||
| 9097 | Rating System | brute force data structures dp greedy implementation math | Statement | D | Educational Codeforces Round 151 (Rated for Div. 2) {1845} | PROGRAMMING | 117791 | ||
| 25909 | Rudolf and Snowflakes (simple version) | binary search brute force implementation math | Statement | E1 | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 8632 | Rudolf and Snowflakes (hard version) | binary search brute force implementation math | Statement | E2 | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 2994 | Vika and Bonuses | binary search brute force math ternary search | Statement | D | Codeforces Round 885 (Div. 2) {1848} | PROGRAMMING | 2000.0 | Codeforces Round #885 (Div.2) Editorial | |
| 936 | Vika and Stone Skipping | brute force math number theory | Statement | E | Codeforces Round 885 (Div. 2) {1848} | PROGRAMMING | 2250.0 | Codeforces Round #885 (Div.2) Editorial | |
| 24930 | We Were Both Children | brute force implementation math number theory | Statement | F | Codeforces Round 886 (Div. 4) {1850} | PROGRAMMING | Codeforces Round #886 (Div. 4) Editorial | ||
| 31619 | Escalator Conversations | brute force constructive algorithms implementation math | Statement | A | Codeforces Round 888 (Div. 3) {1851} | PROGRAMMING | 118667 | ||
| 19864 | Fibonaccharsis | binary search brute force math | Statement | B | Codeforces Round 887 (Div. 2) {1853} | PROGRAMMING | 1000.0 | Codeforces Round 887 (Div 1, Div 2) Tutorial | |
| 46475 | Longest Divisors Interval | brute force combinatorics greedy math number theory | Statement | B | Codeforces Round 889 (Div. 2) {1855} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round 889 (Div. 1 + Div. 2) | |
| 13103 | The Walkway | brute force greedy implementation math number theory | Statement | B | Codeforces Round 893 (Div. 2) {1858} | PROGRAMMING | 1250.0 | Codeforces Round #893 (Div. 2) Editorial | 1500 |
| 18753 | Another Permutation Problem | brute force dp greedy math | Statement | C | Codeforces Round 892 (Div. 2) {1859} | PROGRAMMING | 1250.0 | Video solutions from Geothermal. | |
| 2126 | Maximum Monogonosity | brute force dp math | Statement | E | Codeforces Round 892 (Div. 2) {1859} | PROGRAMMING | 2250.0 | Video solutions from Geothermal. | |
| 19040 | Fancy Coins | binary search brute force greedy math | Statement | B | Educational Codeforces Round 153 (Rated for Div. 2) {1860} | PROGRAMMING | Educational Codeforces Round 153 Editorial | ||
| 883 | Lihmuf Balling | brute force math | Statement | L | COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1866} | PROGRAMMING | COMPFEST 15 Preliminary — Editorial | ||
| 5071 | Replace With Product | brute force math two pointers | Statement | G | Codeforces Round 895 (Div. 3) {1872} | PROGRAMMING | Codeforces Round 895 (Div. 3) Editorial | ||
| 63409 | Good Kid | brute force brute force brute force greedy math | Statement | B | Codeforces Round 898 (Div. 4) {1873} | PROGRAMMING | 120634 | ||
| 1586 | Interactive Game with Coloring | brute force constructive algorithms graphs implementation interactive math trees | Statement | E | Educational Codeforces Round 155 (Rated for Div. 2) {1879} | PROGRAMMING | 120773 | 2400 | |
| 4178 | Counting Rhyme | brute force combinatorics dp math number theory sortings | Statement | D | Codeforces Round 904 (Div. 2) {1884} | PROGRAMMING | 2500.0 | Codeforces Round #904 (Div. 2) Editorial | |
| 19199 | Simple Design | brute force constructive algorithms greedy math | Statement | A | Codeforces Round 904 (Div. 2) {1884} | PROGRAMMING | 500.0 | Codeforces Round #904 (Div. 2) Editorial | |
| 4208 | Monocarp and the Set | brute force combinatorics math | Statement | D | Educational Codeforces Round 156 (Rated for Div. 2) {1886} | PROGRAMMING | Educational Codeforces Round 156 Editorial | ||
| 27815 | Sum of Three | brute force constructive algorithms math | Statement | A | Educational Codeforces Round 156 (Rated for Div. 2) {1886} | PROGRAMMING | Educational Codeforces Round 156 Editorial | ||
| 4578 | Suspicious logarithms | binary search brute force implementation math number theory | Statement | D | Codeforces Round 907 (Div. 2) {1891} | PROGRAMMING | 1500.0 | ||
| 1086 | Brukhovich and Exams | brute force greedy math sortings | Statement | E | Codeforces Round 907 (Div. 2) {1891} | PROGRAMMING | 2000.0 | ||
| 1873 | Infinite Card Game | brute force dfs and similar games graphs greedy sortings | Statement | E | Educational Codeforces Round 157 (Rated for Div. 2) {1895} | PROGRAMMING | Educational Codeforces Round 157 Editorial | ||
| 13138 | Torn Lucky Ticket | brute force dp hashing implementation math | Statement | C | Educational Codeforces Round 157 (Rated for Div. 2) {1895} | PROGRAMMING | Educational Codeforces Round 157 Editorial | ||
| 5414 | Small GCD | brute force math number theory | Statement | D | Codeforces Round 911 (Div. 2) {1900} | PROGRAMMING | 2000.0 | Codeforces Round 911 (Div. 2) Editorial | |
| 17220 | Insert and Equalize | brute force constructive algorithms greedy math number theory | Statement | C | Educational Codeforces Round 159 (Rated for Div. 2) {1902} | PROGRAMMING | Educational Codeforces Round 159 Editorial | ||
| 2424 | Light Bulbs (Easy Version) | brute force combinatorics dfs and similar dp dsu graphs math | Statement | G1 | Codeforces Round 916 (Div. 3) {1914} | PROGRAMMING | Codeforces Round 916 (Div. 3) Editorial | ||
| 720 | Matrix Rank (Easy Version) | brute force combinatorics dp math matrices | Statement | H1 | Good Bye 2023 {1916} | PROGRAMMING | 2750.0 | ||
| 9814 | Mathematical Problem | brute force constructive algorithms implementation math strings | Statement | D | Good Bye 2023 {1916} | PROGRAMMING | 1500.0 | ||
| 12477 | Watering an Array | brute force greedy implementation math | Statement | C | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 917 (Div. 2) | |
| 29698 | Satisfying Constraints | brute force greedy math schedules | Statement | A | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #919 (Div. 2) | |
| 5132 | Sum of Progression | brute force data structures implementation math | Statement | F | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
| 3315 | Space Harbour | brute force data structures implementation math sortings | Statement | B | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
| 23351 | A Balanced Problemset? | brute force greedy math number theory | Statement | B | Codeforces Round 921 (Div. 2) {1925} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
| 31737 | Choose the Different Ones! | brute force greedy math | Statement | C | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
| 5205 | Lonely Mountain Dungeons | binary search brute force data structures greedy math ternary search | Statement | D | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1750.0 | Codeforces Round 924 Editorial | |
| 10435 | Physical Education Lesson | brute force math number theory | Statement | C | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1500.0 | Codeforces Round 924 Editorial | |
| 17400 | Sasha and the Casino | binary search brute force dp games greedy math | Statement | C | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 1500.0 | Codeforces Round #926 (Div. 2) Editorial. | |
| 939 | Maximize the Difference | bitmasks brute force dfs and similar | Statement | F | think-cell Round 1 {1930} | PROGRAMMING | 2750.0 | think-cell Round 1 Editorial | |
| 17768 | Permutation Printing | brute force constructive algorithms math | Statement | B | think-cell Round 1 {1930} | PROGRAMMING | 1000.0 | think-cell Round 1 Editorial | |
| 4888 | Sum over all Substrings (Easy Version) | brute force dp greedy strings | Statement | D1 | think-cell Round 1 {1930} | PROGRAMMING | 1250.0 | think-cell Round 1 Editorial | |
| 34097 | Make Equal Again | brute force greedy math | Statement | C | Codeforces Round 925 (Div. 3) {1931} | PROGRAMMING | 125878 | ||
| 19079 | LR-remainders | brute force data structures implementation math | Statement | C | Codeforces Round 927 (Div. 3) {1932} | PROGRAMMING | 126196 | ||
| 1193 | Turtle Magic: Royal Turtle Shell Pattern | bitmasks brute force combinatorics math | Statement | G | Codeforces Round 929 (Div. 3) {1933} | PROGRAMMING | Codeforces Round 929 (Div. 3) Editorial | ||
| 22169 | Yet Another Coin Problem | brute force dp greedy math | Statement | B | Codeforces Round 931 (Div. 2) {1934} | PROGRAMMING | 1000.0 | Tutorial | |
| 47911 | Rudolf and the Ticket | brute force math sortings two pointers | Statement | A | Codeforces Round 933 (Div. 3) {1941} | PROGRAMMING | 127018 | ||
| 1251 | Nobody is needed | brute force data structures dp math number theory | Statement | F | Codeforces Round 936 (Div. 2) {1946} | PROGRAMMING | 2750.0 | Codeforces Round #936 (Div. 2) Editorial | |
| 4505 | No Palindromes | brute force constructive algorithms greedy hashing implementation strings | Statement | E | Codeforces Global Round 25 {1951} | PROGRAMMING | 2250.0 | Codeforces Global Round 25 Editorial | |
| 5954 | GCD on a grid | brute force dfs and similar dp math number theory | Statement | G | Codeforces Round 938 (Div. 3) {1955} | PROGRAMMING | 128243 | ||
| 1679 | Nene vs. Monsters (Easy Version) | brute force implementation math | Statement | E1 | Codeforces Round 939 (Div. 2) {1956} | PROGRAMMING | 1500.0 | [Editorial] Codeforces Round 939 (Div. 2) | |
| 1136 | Nene vs. Monsters (Hard Version) | brute force implementation math | Statement | E2 | Codeforces Round 939 (Div. 2) {1956} | PROGRAMMING | 750.0 | [Editorial] Codeforces Round 939 (Div. 2) | |
| 5888 | A BIT of an Inequality | bitmasks brute force dp math | Statement | D | Codeforces Round 940 (Div. 2) and CodeCraft-23 {1957} | PROGRAMMING | 1750.0 | Codeforces Round #940 and CodeCraft-23 (Div. 2) Editorial | 1900 |
| 1635 | Carousel of Combinations | brute force combinatorics dp math number theory | Statement | E | Codeforces Round 940 (Div. 2) and CodeCraft-23 {1957} | PROGRAMMING | 2250.0 | Codeforces Round #940 and CodeCraft-23 (Div. 2) Editorial | 2400 |
| 16212 | Reverse Card (Easy Version) | brute force math number theory | Statement | B1 | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 500.0 | Tutorial | 1400 |
| 4923 | Reverse Card (Hard Version) | brute force math number theory | Statement | B2 | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 750.0 | Tutorial | 2200 |
| 2264 | Fenwick Tree | bitmasks brute force combinatorics data structures dp math trees | Statement | C | Codeforces Round 942 (Div. 1) {1967} | PROGRAMMING | 1250.0 | Tutorial | 2300 |
| 17538 | Permutation Game | brute force dfs and similar games graphs greedy math | Statement | D | Codeforces Round 943 (Div. 3) {1968} | PROGRAMMING | 129096 | 1300 | |
| 2547 | Division + LCP (hard version) | binary search brute force data structures dp hashing math string suffix structures strings | Statement | G2 | Codeforces Round 943 (Div. 3) {1968} | PROGRAMMING | 129096 | 2200 | |
| 39678 | Maximize? | brute force math number theory | Statement | A | Codeforces Round 943 (Div. 3) {1968} | PROGRAMMING | 129096 | 800 | |
| 605 | Balanced Unshuffle (Medium) | brute force constructive algorithms trees | Statement | A2 | Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} | PROGRAMMING | Helvetic Coding Contest 2024 Editorial | 2400 | |
| 12616 | Circle Perimeter | binary search brute force dfs and similar geometry implementation math | Statement | F | Codeforces Round 944 (Div. 4) {1971} | PROGRAMMING | Codeforces Round 944 (Div. 4) Editorial | 1600 | |
| 2280 | Cat, Fox and Maximum Array Split | brute force interactive math | Statement | D | Codeforces Round 945 (Div. 2) {1973} | PROGRAMMING | 2000.0 | Editorial for Codeforces Round #945 (Div. 2) | 2400 |
| 28754 | Chess For Three | brute force dp implementation math | Statement | A | Codeforces Round 945 (Div. 2) {1973} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #945 (Div. 2) | 900 |
| 21189 | 378QAQ and Mocha's Array | brute force greedy math sortings | Statement | B | Codeforces Round 947 (Div. 1 + Div. 2) {1975} | PROGRAMMING | 500.0 | editorial_zh.pdf | 1000 |
| 1051 | Set | bitmasks brute force combinatorics dfs and similar divide and conquer dp math | Statement | F | Codeforces Round 947 (Div. 1 + Div. 2) {1975} | PROGRAMMING | 2500.0 | editorial_zh.pdf | 2600 |
| 8099 | Nikita and LCM | brute force data structures dp greedy math number theory sortings | Statement | C | Codeforces Round 948 (Div. 2) {1977} | PROGRAMMING | 1750.0 | 129858 | 1900 |
| 24313 | Turtle and Piggy Are Playing a Game | brute force greedy math | Statement | A | Codeforces Round 949 (Div. 2) {1981} | PROGRAMMING | 500.0 | Simplified Chinese Tutorial | |
| 9978 | Beauty of the mountains | brute force data structures implementation math number theory | Statement | D | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 1750.0 | 130839 | |
| 19861 | Collatz Conjecture | brute force implementation math number theory | Statement | B | Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} | PROGRAMMING | 1000.0 | 130839 | |
| 23684 | Secret Box | brute force combinatorics math | Statement | E | Codeforces Round 952 (Div. 4) {1985} | PROGRAMMING | Codeforces Round 952 (Div. 4) Editorial | ||
| 57291 | Maximum Multiple Sum | brute force math | Statement | B | Codeforces Round 952 (Div. 4) {1985} | PROGRAMMING | Codeforces Round 952 (Div. 4) Editorial | ||
| 1924 | Permutation Problem (Simple Version) | brute force combinatorics math number theory | Statement | G1 | Codeforces Round 954 (Div. 3) {1986} | PROGRAMMING | 130762 | ||
| 1455 | Permutation Problem (Hard Version) | brute force data structures hashing math number theory | Statement | G2 | Codeforces Round 954 (Div. 3) {1986} | PROGRAMMING | 130762 | ||
| 18096 | Mathematical Problem | brute force dp two pointers | Statement | D | Codeforces Round 954 (Div. 3) {1986} | PROGRAMMING | 130762 | ||
| 48283 | X Axis | brute force math sortings | Statement | A | Codeforces Round 954 (Div. 3) {1986} | PROGRAMMING | 130762 |