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Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 3548 | Multicolored Cars | data structures implementation | Statement | D | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 1700 | |
| 1267 | Sofa Thief | brute force implementation | Statement | C | Educational Codeforces Round 24 {818} | PROGRAMMING | 2000 | ||
| 2338 | Card Game Again | binary search data structures number theory two pointers | Statement | E | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 2000 | |
| 1621 | Level Generation | binary search math ternary search | Statement | F | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 2200 | |
| 771 | Four Melodies | flows graphs | Statement | G | Educational Codeforces Round 24 {818} | PROGRAMMING | 52991 | 2700 | |
| 1716 | Mister B and PR Shifts | data structures implementation math | Statement | B | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | Codeforces Round #421 Editorial | 2100 | |
| 499 | Mister B and Boring Game | games greedy | Statement | A | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | 2100 | ||
| 550 | Mister B and Flight to the Moon | constructive algorithms graphs | Statement | E | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | Codeforces Round #421 Editorial | 2800 | |
| 280 | Mister B and Astronomers | number theory | Statement | D | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | 2900 | ||
| 212 | Mister B and Beacons on Field | number theory | Statement | C | Codeforces Round 421 (Div. 1) {819} | PROGRAMMING | 3000 | ||
| 8229 | Mister B and Book Reading | implementation | Statement | A | Codeforces Round 421 (Div. 2) {820} | PROGRAMMING | Codeforces Round #421 Editorial | 1000 | |
| 5299 | Mister B and Angle in Polygon | constructive algorithms geometry math | Statement | B | Codeforces Round 421 (Div. 2) {820} | PROGRAMMING | Codeforces Round #421 Editorial | 1300 | |
| 5810 | Okabe and Banana Trees | brute force math | Statement | B | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | Tutorial | 1300 | |
| 7014 | Okabe and Boxes | data structures greedy trees | Statement | C | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | Tutorial | 1600 | |
| 1519 | Okabe and El Psy Kongroo | dp matrices | Statement | E | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | 2200 | ||
| 1466 | Okabe and City | dfs and similar graphs shortest paths | Statement | D | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | 2200 | ||
| 8349 | Okabe and Future Gadget Laboratory | implementation | Statement | A | Codeforces Round 420 (Div. 2) {821} | PROGRAMMING | Tutorial | 900 | |
| 9612 | Crossword solving | brute force implementation strings | Statement | B | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | Codeforces Round #422 (Div. 2) Editorial | 1100 | |
| 4622 | Hacker, pack your bags! | binary search greedy implementation sortings | Statement | C | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | 1600 | ||
| 3126 | My pretty girl Noora | brute force dp greedy math number theory | Statement | D | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | 1800 | ||
| 868 | Liar | binary search dp hashing string suffix structures | Statement | E | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | 2500 | ||
| 350 | Madness | constructive algorithms dfs and similar trees | Statement | F | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | 2700 | ||
| 33777 | I'm bored with life | implementation math number theory | Statement | A | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | Codeforces Round #422 (Div. 2) Editorial | 800 | |
| 7733 | Binary Protocol | implementation | Statement | A | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1200 | |
| 3350 | Suitable Replacement | binary search greedy implementation | Statement | D | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1600 | |
| 4584 | Multi-judge Solving | greedy implementation | Statement | C | Educational Codeforces Round 25 {825} | PROGRAMMING | 1600 | ||
| 4314 | Five-In-a-Row | brute force implementation | Statement | B | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 1600 | |
| 1574 | String Compression | dp hashing string suffix structures strings | Statement | F | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 2400 | |
| 3546 | Minimal Labels | data structures dfs and similar graphs greedy | Statement | E | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 2400 | |
| 1251 | Tree Queries | dfs and similar graphs trees | Statement | G | Educational Codeforces Round 25 {825} | PROGRAMMING | Educational Codeforces Round 25 - Editorial | 2600 | |
| 4080 | String Reconstruction | data structures greedy sortings strings | Statement | A | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | Codeforces Round #423 Analysis | 1700 | |
| 3558 | High Load | constructive algorithms greedy implementation trees | Statement | B | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | Codeforces Round #423 Analysis | 1800 | |
| 1674 | DNA Evolution | data structures strings | Statement | C | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | 2200 | ||
| 973 | Rusty String | fft math strings | Statement | E | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | Codeforces Round #423 Analysis | 2700 | |
| 1203 | Best Edge Weight | data structures dfs and similar graphs trees | Statement | D | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | Codeforces Round #423 Analysis | 2700 | |
| 412 | Dirty Arkady's Kitchen | data structures dp graphs shortest paths | Statement | F | Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} | PROGRAMMING | 3100 | ||
| 8028 | Restaurant Tables | implementation | Statement | A | Codeforces Round 423 (Div. 2, rated, based on VK Cup Finals) {828} | PROGRAMMING | 1200 | ||
| 5718 | Black Square | implementation | Statement | B | Codeforces Round 423 (Div. 2, rated, based on VK Cup Finals) {828} | PROGRAMMING | Codeforces Round #423 Analysis | 1300 | |
| 2864 | Cards Sorting | data structures implementation sortings | Statement | B | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | 1800 | ||
| 7291 | Office Keys | binary search brute force dp greedy sortings | Statement | A | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | 1900 | ||
| 1214 | Bamboo Partition | brute force data structures implementation math number theory sortings two pointers | Statement | C | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 2500 | |
| 863 | Singer House | combinatorics dp graphs trees | Statement | D | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | Codeforces Round #424 Editorial | 2800 | |
| 288 | Perpetual Motion Machine | constructive algorithms dp graphs implementation math trees | Statement | E | Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} | PROGRAMMING | 3100 | ||
| 10411 | Unimodal Array | implementation | Statement | A | Codeforces Round 424 (Div. 2, rated, based on VK Cup Finals) {831} | PROGRAMMING | Codeforces Round #424 Editorial | 1100 | |
| 4716 | Jury Marks | brute force constructive algorithms | Statement | C | Codeforces Round 424 (Div. 2, rated, based on VK Cup Finals) {831} | PROGRAMMING | 1600 | ||
| 14643 | Keyboard Layouts | implementation strings | Statement | B | Codeforces Round 424 (Div. 2, rated, based on VK Cup Finals) {831} | PROGRAMMING | Codeforces Round #424 Editorial | 800 | |
| 4398 | Petya and Exam | implementation strings | Statement | B | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | 1600 | ||
| 3874 | Misha, Grisha and Underground | dfs and similar graphs trees | Statement | D | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | 1900 | ||
| 465 | Strange Radiation | binary search implementation math | Statement | C | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | 2500 | ||
| 335 | Vasya and Shifts | matrices | Statement | E | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | 2700 | ||
| 21074 | Sasha and Sticks | games math | Statement | A | Codeforces Round 425 (Div. 2) {832} | PROGRAMMING | Codeforces Round #425 (Div.2) Editorial | 800 | |
| 6270 | The Meaningless Game | math number theory | Statement | A | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | Codeforces Round #426 Editorial | 1700 | |
| 5192 | The Bakery | binary search data structures divide and conquer dp two pointers | Statement | B | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | 2200 | ||
| 478 | Ever-Hungry Krakozyabra | brute force combinatorics greedy math | Statement | C | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | Codeforces Round #426 Editorial | 2600 | |
| 418 | Red-Black Cobweb | data structures divide and conquer implementation trees | Statement | D | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | 2800 | ||
| 226 | Caramel Clouds | data structures dp sortings | Statement | E | Codeforces Round 426 (Div. 1) {833} | PROGRAMMING | 3100 | ||
| 8747 | The Useless Toy | implementation | Statement | A | Codeforces Round 426 (Div. 2) {834} | PROGRAMMING | Codeforces Round #426 Editorial | 1000 | |
| 8879 | The Festive Evening | data structures implementation | Statement | B | Codeforces Round 426 (Div. 2) {834} | PROGRAMMING | 1100 | ||
| 11104 | The number on the board | greedy | Statement | B | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | Editorial | 1100 | |
| 8060 | Star sky | dp implementation | Statement | C | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | 1600 | ||
| 4210 | Palindromic characteristics | brute force dp hashing strings | Statement | D | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | Editorial | 1900 | |
| 1185 | The penguin's game | binary search constructive algorithms interactive | Statement | E | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | 2400 | ||
| 1098 | Roads in the Kingdom | dfs and similar dp graphs trees | Statement | F | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | Editorial | 2400 | |
| 20539 | Key races | math | Statement | A | Codeforces Round 427 (Div. 2) {835} | PROGRAMMING | Editorial | 700 | |
| 9572 | Text Volume | implementation | Statement | A | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 1000 | |
| 4039 | Two Seals | brute force implementation | Statement | C | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 1500 | |
| 3967 | Flag of Berland | brute force implementation | Statement | B | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 1600 | |
| 5783 | Round Subset | dp math | Statement | D | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 2100 | |
| 1825 | Vasya's Function | binary search implementation math | Statement | E | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 2200 | |
| 992 | Prefix Sums | binary search brute force combinatorics math matrices | Statement | F | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 2500 | |
| 714 | Functions On The Segments | data structures | Statement | G | Educational Codeforces Round 26 {837} | PROGRAMMING | 53662 | 2600 | |
| 952 | Binary Blocks | brute force | Statement | A | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 1400 | |
| 851 | Diverging Directions | data structures dfs and similar trees | Statement | B | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 2100 | |
| 359 | Convex Countour | dp | Statement | E | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 2300 | |
| 951 | Airplane Arrangements | math number theory | Statement | D | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 2700 | |
| 356 | Future Failure | dp games | Statement | C | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 2800 | |
| 100 | Expected Earnings | Statement | F | IndiaHacks 2nd Elimination 2017 (unofficial, unrated mirror, ICPC rules) {838} | PROGRAMMING | 53736 | 2800 | ||
| 14275 | Arya and Bran | implementation | Statement | A | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | Codeforces Round #428 editorial | 1000 | |
| 17382 | Journey | dfs and similar dp graphs probabilities trees | Statement | C | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | 1500 | ||
| 3339 | Game of the Rows | brute force greedy implementation | Statement | B | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | 1700 | ||
| 3051 | Winter is here | combinatorics dp math number theory | Statement | D | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | Codeforces Round #428 editorial | 2200 | |
| 927 | Mother of Dragons | brute force graphs math meet-in-the-middle | Statement | E | Codeforces Round 428 (Div. 2) {839} | PROGRAMMING | 2600 | ||
| 7059 | Leha and Function | combinatorics greedy math number theory sortings | Statement | A | Codeforces Round 429 (Div. 1) {840} | PROGRAMMING | Editorial | 1300 | |
| 2509 | Leha and another game about graph | constructive algorithms data structures dfs and similar dp graphs | Statement | B | Codeforces Round 429 (Div. 1) {840} | PROGRAMMING | Editorial | 2100 | |
| 3147 | Destiny | data structures probabilities | Statement | D | Codeforces Round 429 (Div. 1) {840} | PROGRAMMING | Editorial | 2400 | |
| 1825 | On the Bench | combinatorics dp | Statement | C | Codeforces Round 429 (Div. 1) {840} | PROGRAMMING | Editorial | 2600 | |
| 505 | In a Trap | trees | Statement | E | Codeforces Round 429 (Div. 1) {840} | PROGRAMMING | Editorial | 3200 | |
| 12406 | Godsend | games math | Statement | B | Codeforces Round 429 (Div. 2) {841} | PROGRAMMING | T | 1200 | |
| 13342 | Generous Kefa | brute force implementation | Statement | A | Codeforces Round 429 (Div. 2) {841} | PROGRAMMING | T | 900 | |
| 10462 | Gleb And Pizza | geometry | Statement | B | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 1100 | |
| 10305 | Kirill And The Game | brute force two pointers | Statement | A | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 1300 | |
| 3527 | Ilya And The Tree | dfs and similar graphs math number theory trees | Statement | C | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 2000 | |
| 3748 | Vitya and Strange Lesson | binary search data structures | Statement | D | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 2100 | |
| 438 | Nikita and game | binary search dfs and similar divide and conquer graphs trees | Statement | E | Codeforces Round 430 (Div. 2) {842} | PROGRAMMING | Tutorial Codeforces Round #430 (Div. 2) | 3000 | |
| 5715 | Sorting by Subsequences | dfs and similar ds implementation math sortings | Statement | A | AIM Tech Round 4 (Div. 1) {843} | PROGRAMMING | 1400 | ||
| 2337 | Interactive LowerBound | brute force interactive probabilities | Statement | B | AIM Tech Round 4 (Div. 1) {843} | PROGRAMMING | 2000 | ||
| 936 | Dynamic Shortest Path | graphs shortest paths | Statement | D | AIM Tech Round 4 (Div. 1) {843} | PROGRAMMING | AIM Tech Round 4 -- Editorial | 2700 | |
| 368 | Upgrading Tree | constructive algorithms dfs and similar graphs math trees | Statement | C | AIM Tech Round 4 (Div. 1) {843} | PROGRAMMING | AIM Tech Round 4 -- Editorial | 2900 | |
| 343 | Maximum Flow | flows graphs | Statement | E | AIM Tech Round 4 (Div. 1) {843} | PROGRAMMING | 2900 | ||
| 11147 | Diversity | greedy implementation strings | Statement | A | AIM Tech Round 4 (Div. 2) {844} | PROGRAMMING | AIM Tech Round 4 -- Editorial | 1000 |