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Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 2949 | String | brute force constructive algorithms hashing implementation string suffix structures strings | Statement | B | Codeforces Beta Round 94 (Div. 1 Only) {128} | PROGRAMMING | 3219 | 2200 | |
| 9427 | Common Divisors | brute force hashing implementation math strings | Statement | D | Codeforces Round 117 (Div. 2) {182} | PROGRAMMING | Codeforces Round #117 (Div. 2) Разбор Задач | 1400 | |
| 20214 | LLPS | binary search bitmasks brute force greedy implementation strings | Statement | A | Codeforces Round 127 (Div. 2) {202} | PROGRAMMING | 900 | ||
| 294144 | Boy or Girl | brute force implementation strings | Statement | A | Codeforces Round 146 (Div. 2) {236} | PROGRAMMING | Codeforces Round #146 Tutorial | 800 | |
| 1003 | Log Stream Analysis | binary search brute force implementation strings | Statement | F | CROC-MBTU 2012, Elimination Round (ACM-ICPC) {245} | PROGRAMMING | КРОК-МВТУ 2012, Отборочный раунд (Разбор) | 2000 | |
| 4105 | Ancient Prophesy | brute force implementation strings | Statement | B | Codeforces Round 158 (Div. 2) {260} | PROGRAMMING | Codeforces Round #158 (Div. 2) Tutorial | 1600 | |
| 419 | Shaass and Painter Robot | brute force implementation number theory | Statement | D | Codeforces Round 178 (Div. 2) {294} | PROGRAMMING | Codeforces Round #178 Editorial | 2700 | |
| 876 | Dima and Magic Guitar | brute force implementation math | Statement | E | Codeforces Round 214 (Div. 2) {366} | PROGRAMMING | Codeforces Round #214 (Div. 2) — Tutorial | 2300 | |
| 10977 | Bear and Strings | brute force greedy implementation math strings | Statement | B | Codeforces Round 226 (Div. 2) {385} | PROGRAMMING | Codeforces Round #226 (Div. 2) — Editorial | 1300 | |
| 4305 | Kolya and Tandem Repeat | brute force implementation strings | Statement | B | Codeforces Round 253 (Div. 2) {443} | PROGRAMMING | Codeforces #253 editorial | 1500 | |
| 8596 | Eevee | brute force implementation strings | Statement | A | MemSQL Start[c]UP 2.0 - Round 1 {452} | PROGRAMMING | MemSQL Start[c]UP 2.0 Round 1 and 2 Editorials | 1200 | |
| 6986 | Mr. Kitayuta's Gift | brute force implementation strings | Statement | A | Codeforces Round 286 (Div. 2) {505} | PROGRAMMING | Tutorial | 1200 | |
| 10405 | Mike and Fax | brute force implementation strings | Statement | A | Codeforces Round 305 (Div. 2) {548} | PROGRAMMING | Codeforces Round #305 Editorial | 1200 | |
| 44717 | Two Substrings | brute force dp greedy implementation strings | Statement | A | Codeforces Round 306 (Div. 2) {550} | PROGRAMMING | Разбор задач Codeforces Round #306 (Div. 2) | 1500 | |
| 4083 | ZgukistringZ | brute force constructive algorithms implementation strings | Statement | B | Codeforces Round 307 (Div. 2) {551} | PROGRAMMING | Tutorial | 1800 | |
| 1772 | Vanya and Brackets | brute force dp expression parsing greedy implementation strings | Statement | E | Codeforces Round 308 (Div. 2) {552} | PROGRAMMING | Codeforces #308 (Div. 2) Editorial | 2300 | |
| 7930 | The Text Splitting | brute force implementation strings | Statement | A | Educational Codeforces Round 4 {612} | PROGRAMMING | 22299 | 1300 | |
| 6041 | Barnicle | brute force implementation math strings | Statement | B | Codeforces Round 362 (Div. 2) {697} | PROGRAMMING | 1400 | ||
| 2956 | Hidden Word | brute force constructive algorithms implementation strings | Statement | C | Canada Cup 2016 {725} | PROGRAMMING | Canada Cup Editorial | 1600 | |
| 1121 | Vladik and chat | brute force constructive algorithms dp implementation strings | Statement | C | Codeforces Round 390 (Div. 2) {754} | PROGRAMMING | 2200 | ||
| 12975 | A Serial Killer | brute force implementation strings | Statement | A | ICM Technex 2017 and Codeforces Round 400 (Div. 1 + Div. 2, combined) {776} | PROGRAMMING | ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) Editorial | 900 | |
| 10399 | Crossword solving | brute force implementation strings | Statement | B | Codeforces Round 422 (Div. 2) {822} | PROGRAMMING | Codeforces Round #422 (Div. 2) Editorial | 1100 | |
| 28454 | Tom Riddle's Diary | brute force implementation strings | Statement | A | Manthan, Codefest 17 {855} | PROGRAMMING | 54750 | 700 | |
| 10087 | Polycarp and Letters | brute force implementation strings | Statement | B | Codeforces Round 436 (Div. 2) {864} | PROGRAMMING | Codeforces Round #436 (Div.2) Разбор | 1100 | |
| 10196 | Bark to Unlock | brute force implementation strings | Statement | A | Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {868} | PROGRAMMING | 55046 | 1000 | |
| 1031 | Huge Strings | bitmasks brute force dp implementation strings | Statement | D | Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) {868} | PROGRAMMING | 55046 | 2100 | |
| 1809 | Palindromic Cut | brute force implementation strings | Statement | H | 2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) {883} | PROGRAMMING | 1800 | ||
| 1631 | Swapping Characters | brute force hashing implementation strings | Statement | E | Educational Codeforces Round 34 (Rated for Div. 2) {903} | PROGRAMMING | Educational Codeforces Round 34 Editorial | 2200 | |
| 10428 | Antipalindrome | brute force implementation strings | Statement | A | Avito Code Challenge 2018 {981} | PROGRAMMING | 59713 | 1000 | |
| 27963 | Delete from the Left | brute force implementation strings | Statement | B | Codeforces Round 496 (Div. 3) {1005} | PROGRAMMING | Codeforces Round 496 (Div. 3): Problem Tutorials | 1000 | |
| 9396 | Single Wildcard Pattern Matching | brute force implementation strings | Statement | A | Codeforces Round 504 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final) {1023} | PROGRAMMING | Codeforces Round 504 Editorial | 1300 | |
| 10613 | Zuhair and Strings | brute force implementation strings | Statement | B | Codeforces Round 533 (Div. 2) {1105} | PROGRAMMING | Tutorial | 1200 | |
| 10037 | Compress Words | brute force hashing implementation string suffix structures strings | Statement | E | Codeforces Round 578 (Div. 2) {1200} | PROGRAMMING | Codeforces Round #578 (Div. 2) Editorial | 2000 | |
| 2804 | 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 | |
| 18591 | Shuffle Hashing | brute force implementation strings | Statement | A | Educational Codeforces Round 78 (Rated for Div. 2) {1278} | PROGRAMMING | Educational Codeforces Round 78 Editorial | 1000 | |
| 18971 | 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 |
| 11865 | String Modification | brute force constructive algorithms implementation sortings strings | Statement | B | CodeCraft-20 (Div. 2) {1316} | PROGRAMMING | 1000.0 | Codecraft-20 (Div.2) Editorial | 1400 |
| 56626 | 01 Game | brute force constructive algorithms dp games implementation strings | Statement | B | Educational Codeforces Round 90 (Rated for Div. 2) {1373} | PROGRAMMING | Educational Codeforces Round 90 Editorial | ||
| 12415 | Acacius and String | brute force implementation strings | Statement | A | Codeforces Round 657 (Div. 2) {1379} | PROGRAMMING | 500.0 | Codeforces Round #657 Editorial | 1500 |
| 20833 | Good String | brute force dp greedy implementation two pointers | Statement | C | Educational Codeforces Round 92 (Rated for Div. 2) {1389} | PROGRAMMING | 80809 | ||
| 5014 | 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 | |
| 3290 | Funny Substrings | brute force data structures hashing implementation strings | Statement | E | Codeforces Round 725 (Div. 3) {1538} | PROGRAMMING | Codeforces Round #725 (Div. 3) Editorial | ||
| 19158 | Dominant Character | brute force implementation strings | Statement | C | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 1500.0 | tutorial | 1400 |
| 7366 | BA-String | bitmasks brute force dp greedy implementation math shortest paths | Statement | C | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 4693 | Masha-forgetful | brute force constructive algorithms dp hashing implementation strings | Statement | E | Codeforces Round 764 (Div. 3) {1624} | PROGRAMMING | Codeforces Round #764 (Div. 3) Editorial | ||
| 3525 | Expand the Path | brute force combinatorics implementation math | Statement | E | Educational Codeforces Round 123 (Rated for Div. 2) {1644} | PROGRAMMING | 100227 | ||
| 8040 | Promising String (easy version) | brute force implementation math strings | Statement | F1 | Codeforces Round 780 (Div. 3) {1660} | PROGRAMMING | Codeforces Round #780 (Div. 3) Editorial | ||
| 13545 | Dorms War | brute force implementation strings | Statement | B | Codeforces Round 788 (Div. 2) {1670} | PROGRAMMING | 1000.0 | Tutorial | 1100 |
| 35613 | 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 | ||
| 17835 | Lex String | brute force greedy implementation sortings two pointers | Statement | A | Codeforces Round 798 (Div. 2) {1689} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #798 (Div. 2) | |
| 3568 | 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 | |
| 17023 | Diverse Substrings | brute force implementation strings | Statement | B | Codeforces Round 833 (Div. 2) {1748} | PROGRAMMING | 1000.0 | Codeforces Round #833 (Div. 2) Editorial | 1400 |
| 20501 | Gardener and the Capybaras (easy version) | brute force implementation strings | Statement | A1 | Codeforces Round 843 (Div. 2) {1775} | PROGRAMMING | 500.0 | Codeforces Round #843 (Div. 2) Editorial | |
| 24810 | Two Towers | brute force implementation strings | Statement | A | Educational Codeforces Round 143 (Rated for Div. 2) {1795} | PROGRAMMING | 112963 | ||
| 22847 | Subsequence Addition (Easy Version) | brute force dp greedy implementation sortings | Statement | G1 | Codeforces Round 859 (Div. 4) {1807} | PROGRAMMING | 114143 | ||
| 4021 | Monsters | brute force data structures dfs and similar dsu graphs implementation trees | Statement | E | CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) {1810} | PROGRAMMING | 2000.0 | Editorial of CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) | |
| 16500 | Tear It Apart | brute force implementation math strings | Statement | C | Educational Codeforces Round 147 (Rated for Div. 2) {1821} | PROGRAMMING | 115296 | ||
| 29152 | Rudolph and Tic-Tac-Toe | brute force implementation strings | Statement | B | Codeforces Round 883 (Div. 3) {1846} | PROGRAMMING | |||
| 4326 | Professor Higashikata | brute force data structures dsu greedy implementation sortings | Statement | D | Codeforces Round 882 (Div. 2) {1847} | PROGRAMMING | 2000.0 | Tutorial | |
| 13325 | 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 | ||
| 17584 | Milica and String | brute force implementation strings | Statement | A | Codeforces Round 910 (Div. 2) {1898} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #910 (Div. 2) | |
| 9914 | Mathematical Problem | brute force constructive algorithms implementation math strings | Statement | D | Good Bye 2023 {1916} | PROGRAMMING | 1500.0 | ||
| 17833 | Nearly Shortest Repeating Substring | brute force implementation number theory strings | Statement | E | Codeforces Round 937 (Div. 4) {1950} | PROGRAMMING | Codeforces Round 937 (Div. 4) Editorial | ||
| 4625 | 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 | |
| 20962 | Bazoka and Mocha's Array | brute force greedy implementation sortings | Statement | A | Codeforces Round 947 (Div. 1 + Div. 2) {1975} | PROGRAMMING | 250.0 | editorial_zh.pdf | 800 |
| 10301 | 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 | |
| 20823 | Alice's Adventures in ''Chess'' | brute force implementation math strings | Statement | A | Codeforces Round 986 (Div. 2) {2028} | PROGRAMMING | 500.0 | Codeforces Round 986 (Div. 2) Editorial | |
| 2066 | 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 | |
| 23079 | Kevin and Combination Lock | brute force implementation math number theory | Statement | A | Codeforces Global Round 28 {2048} | PROGRAMMING | 250.0 | Tutorial | |
| 2319 | Kevin and Binary String (Easy Version) | binary search brute force data structures dp greedy implementation strings two pointers | Statement | F1 | IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} | PROGRAMMING | 2000.0 | IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial | |
| 11140 | Kevin and Numbers | brute force data structures greedy implementation math | Statement | D | IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} | PROGRAMMING | 1500.0 | IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial | |
| 57270 | Skibidus and Amog'u | brute force constructive algorithms implementation strings | Statement | A | Codeforces Round 1003 (Div. 4) {2065} | PROGRAMMING | Video Tutorial | ||
| 7038 | Mishkin Energizer | brute force constructive algorithms greedy implementation strings | Statement | D | Codeforces Round 1014 (Div. 2) {2092} | PROGRAMMING | 1750.0 | Codeforces Round #1014 (Div. 2) Editorial | |
| 754 | Numbers and Strings | brute force dfs and similar dp implementation math | Statement | F | Educational Codeforces Round 178 (Rated for Div. 2) {2104} | PROGRAMMING | Educational Codeforces Round 178 Editorial | ||
| 45438 | Homework | brute force implementation strings | Statement | A | Codeforces Round 1043 (Div. 3) {2132} | PROGRAMMING | Codeforces Round 1043 (Div. 3) Editorial | ||
| 32047 | Redstone? | brute force implementation math | Statement | A | Codeforces Round 1044 (Div. 2) {2133} | PROGRAMMING | 500.0 | Codeforces Round 1044 (Div. 2) Editorial | |
| 3479 | Palindrome Flipping | brute force constructive algorithms implementation strings | Statement | D | Codeforces Round 1067 (Div. 2) {2158} | PROGRAMMING | 2000.0 | Codeforces Round 1067 (Div. 2) Editorial | |
| 14574 | Palindromex | binary search brute force constructive algorithms data structures greedy implementation two pointers | Statement | D | Codeforces Round 1096 (Div. 3) {2227} | PROGRAMMING | Codeforces Round 1096 (Div. 3) — Editorial | ||
| 1540 | Product of Closures | bitmasks brute force constructive algorithms dp greedy implementation math | Statement | E | Educational Codeforces Round 192 (Rated for Div. 2) {2242} | PROGRAMMING | 155047 |