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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 1318 | Deletion of Repeats | greedy hashing string suffix structures | Statement | C | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2200 | |
| 916 | Tricky and Clever Password | binary search constructive algorithms data structures greedy hashing strings | Statement | E | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Tutorial for problem A | 2700 | |
| 2087 | Beaver | data structures dp greedy hashing strings two pointers | Statement | C | Codeforces Beta Round 71 {79} | PROGRAMMING | Codeforces Beta Round #71 Editorial | 1800 | |
| 599 | The Next Good String | data structures greedy hashing strings | Statement | D | Codeforces Round 124 (Div. 1) {196} | PROGRAMMING | Codeforces Round #124 — editorial | 2600 | |
| 776 | Have You Ever Heard About the Word? | greedy hashing string suffix structures strings | Statement | D | Codeforces Round 189 (Div. 1) {319} | PROGRAMMING | Codeforces Round #189 — Editorial | 2700 | |
| 9165 | Gargari and Bishops | greedy hashing implementation | Statement | C | Codeforces Round 264 (Div. 2) {463} | PROGRAMMING | CF 264 Div 2 Tutorial | 1800 | |
| 19143 | OR in Matrix | greedy hashing implementation | Statement | B | Codeforces Round 277 (Div. 2) {486} | PROGRAMMING | Codeforces Round #277(Div. 2) Editorial | 1400 | |
| 2621 | LIS of Sequence | data structures dp greedy hashing math | Statement | E | Codeforces Round 277 (Div. 2) {486} | PROGRAMMING | Codeforces Round #277(Div. 2) Editorial | 2400 | |
| 593 | And Yet Another Bracket Sequence | data structures greedy hashing string suffix structures strings | Statement | F | VK Cup 2015 - Round 1 {524} | PROGRAMMING | VK Cup Round 1 (+ online mirror) editorial | 2700 | |
| 16351 | Vitaliy and Pie | greedy hashing strings | Statement | A | Codeforces Round 297 (Div. 2) {525} | PROGRAMMING | Codeforces Round #297 (Div.2) Editorial | 1200 | |
| 2428 | Correcting Mistakes | constructive algorithms dp greedy hashing strings two pointers | Statement | E | VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} | PROGRAMMING | Разбор VK Cup Round 2 | 1800 | |
| 393 | Berland Local Positioning System | constructive algorithms greedy hashing implementation | Statement | E | Codeforces Round 298 (Div. 2) {534} | PROGRAMMING | 2600 | ||
| 4593 | Tavas and Malekas | greedy hashing string suffix structures strings | Statement | D | Codeforces Round 299 (Div. 2) {535} | PROGRAMMING | Codeforces Round #299 Editorial | 2100 | |
| 2264 | Ray Tracing | greedy hashing implementation math number theory sortings | Statement | C | Intel Code Challenge Final Round (Div. 1 + Div. 2, Combined) {724} | PROGRAMMING | Tutorial | 1800 | |
| 6993 | Camp Schedule | greedy hashing strings | Statement | B | Codeforces Round 545 (Div. 1) {1137} | PROGRAMMING | Codeforces Round #545 – Editorial | 1700 | |
| 156 | Optimizer | graphs greedy hashing implementation | Statement | G | Educational Codeforces Round 64 (Rated for Div. 2) {1156} | PROGRAMMING | 66827 | 3100 | |
| 11700 | Prefix-Suffix Palindrome (Hard version) | greedy hashing string suffix structures strings | Statement | D2 | Codeforces Global Round 7 {1326} | PROGRAMMING | 1000.0 | 74961 | 1800 |
| 17267 | String Equality | dp greedy hashing implementation strings | Statement | C | Codeforces Round 685 (Div. 2) {1451} | PROGRAMMING | 1250.0 | Editorial — Codeforces Round #685 | |
| 1910 | Square-free division (hard version) | data structures dp greedy hashing math number theory | Statement | E2 | Codeforces Round 708 (Div. 2) {1497} | PROGRAMMING | 1500.0 | Codeforces Round #708 Editorial | 2500 |
| 910 | Matrix Sorting | bitmasks constructive algorithms dfs and similar greedy hashing string suffix structures two pointers | Statement | C | Codeforces Round 707 (Div. 1, based on Moscow Open Olympiad in Informatics) {1500} | PROGRAMMING | 1500.0 | Codeforces Round #707 Editorial | 2600 |
| 16236 | Erase and Extend (Easy Version) | binary search brute force dp greedy hashing string suffix structures strings | Statement | E1 | Codeforces Round 726 (Div. 2) {1537} | PROGRAMMING | 1250.0 | Codeforces Round #726 (Div.2) Editorial | |
| 6133 | Erase and Extend (Hard Version) | binary search data structures greedy hashing string suffix structures strings | Statement | E2 | Codeforces Round 726 (Div. 2) {1537} | PROGRAMMING | 1750.0 | Codeforces Round #726 (Div.2) Editorial | |
| 4843 | 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 | ||
| 18473 | Weight of the System of Nested Segments | greedy hashing implementation sortings | Statement | C | Codeforces Round 776 (Div. 3) {1650} | PROGRAMMING | 100712 | ||
| 17675 | Bracket Sequence Deletion | greedy hashing | Statement | C | Educational Codeforces Round 125 (Rated for Div. 2) {1657} | PROGRAMMING | 101161 | ||
| 8903 | Li Hua and Chess | brute force constructive algorithms greedy hashing interactive | Statement | C | Codeforces Round 864 (Div. 2) {1797} | PROGRAMMING | 1500.0 | Codeforces Round 864 (Div. 2) Editorial | |
| 29230 | Remove Two Letters | data structures greedy hashing strings | Statement | D | Codeforces Round 855 (Div. 3) {1800} | PROGRAMMING | Codeforces Round 855 (Div. 3) Editorial | ||
| 508 | Most Different Tree | brute force constructive algorithms dfs and similar greedy hashing | Statement | F | Codeforces Round 897 (Div. 2) {1867} | PROGRAMMING | 4000.0 | ||
| 4466 | 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 | |
| 400 | Card Pairing | dp greedy hashing implementation | Statement | F | Educational Codeforces Round 165 (Rated for Div. 2) {1969} | PROGRAMMING | Educational Codeforces Round 165 Editorial | 3000 | |
| 2333 | XORificator | bitmasks brute force greedy hashing | Statement | D | Codeforces Round 948 (Div. 2) {1977} | PROGRAMMING | 2000.0 | 129858 | 2300 |
| 7833 | Fixing a Binary String | bitmasks brute force constructive algorithms greedy hashing strings | Statement | D | Codeforces Round 951 (Div. 2) {1979} | PROGRAMMING | 2000.0 | Codeforces Round 951 (Div. 2) Editorial | |
| 23267 | Substring and Subsequence | bitmasks brute force dp graphs greedy hashing strings trees | Statement | B | Educational Codeforces Round 167 (Rated for Div. 2) {1989} | PROGRAMMING | Educational Codeforces Round 167 Editorial | ||
| 5607 | Robin Hood Archery | data structures games greedy hashing | Statement | H | Codeforces Round 974 (Div. 3) {2014} | PROGRAMMING | Discussion stream (With Hints) | ||
| 1369 | C+K+S | brute force constructive algorithms dfs and similar graphs greedy hashing math strings | Statement | C | Codeforces Round 980 (Div. 1) {2023} | PROGRAMMING | 1500.0 | 135341 | |
| 20539 | Medians | constructive algorithms greedy hashing implementation math | Statement | B | Codeforces Round 983 (Div. 2) {2032} | PROGRAMMING | 750.0 | Codeforces Round 983 (Div. 2) Editorial | |
| 2015 | Permutations Harmony | brute force combinatorics constructive algorithms greedy hashing implementation math | Statement | E | Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} | PROGRAMMING | 2000.0 | Rayan 2024 Selection Round Editorial | |
| 224 | Naive String Splits | brute force greedy hashing strings | Statement | G | Good Bye 2024: 2025 is NEAR {2053} | PROGRAMMING | 4250.0 | Good Bye 2024: 2025 is NEAR Editorial | |
| 882 | Stop Gaming (Easy Version) | brute force constructive algorithms greedy hashing | Statement | E1 | Codeforces Round 1002 (Div. 2) {2059} | PROGRAMMING | 1500.0 | 139094 | |
| 7000 | Palindrome Shuffle | binary search greedy hashing strings two pointers | Statement | D | Educational Codeforces Round 174 (Rated for Div. 2) {2069} | PROGRAMMING | 139774 |