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Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
6532 Polo the Penguin and Strings greedy Statement A Codeforces Round 177 (Div. 1) {288} PROGRAMMING Codeforces Round #177, editorial 1300
2959 Polo the Penguin and Houses combinatorics Statement B Codeforces Round 177 (Div. 1) {288} PROGRAMMING Codeforces Round #177, editorial 1700
2348 Polo the Penguin and XOR operation implementation math Statement C Codeforces Round 177 (Div. 1) {288} PROGRAMMING Codeforces Round #177, editorial 1900
761 Polo the Penguin and Trees combinatorics dfs and similar trees Statement D Codeforces Round 177 (Div. 1) {288} PROGRAMMING Codeforces Round #177, editorial 2300
301 Polo the Penguin and Lucky Numbers dp implementation math Statement E Codeforces Round 177 (Div. 1) {288} PROGRAMMING Codeforces Round #177, editorial 2800
9457 Polo the Penguin and Segments brute force implementation Statement A Codeforces Round 177 (Div. 2) {289} PROGRAMMING Codeforces Round #177, editorial 1100
17641 Polo the Penguin and Matrix brute force dp implementation sortings ternary search Statement B Codeforces Round 177 (Div. 2) {289} PROGRAMMING Codeforces Round #177, editorial 1400
3016 Mysterious strings *special implementation Statement A April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1400
2458 QR code *special implementation Statement B April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1500
1818 Orange *special implementation Statement D April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1600
1555 WTF? *special graph matchings implementation trees Statement C April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 1800
206 HQ *special constructive algorithms Statement E April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 2700
134 Greedy Petya *special dfs and similar graphs greedy Statement F April Fools Day Contest 2013 {290} PROGRAMMING April Fools Day Contest 2013: editorial 2800
6171 Spyke Talks *special implementation sortings Statement A Croc Champ 2013 - Qualification Round {291} PROGRAMMING 1900
3038 Command Line Arguments *special implementation strings Statement B Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2000
1689 Network Mask *special bitmasks brute force implementation Statement C Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2100
1486 Parallel Programming *special greedy Statement D Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2200
1329 Tree-String Problem *special dfs and similar hashing strings Statement E Croc Champ 2013 - Qualification Round {291} PROGRAMMING 2400
2722 SMSC implementation Statement A Croc Champ 2013 - Round 1 {292} PROGRAMMING 1100
8681 Network Topology graphs implementation Statement B Croc Champ 2013 - Round 1 {292} PROGRAMMING 1200
4261 Copying Data data structures Statement E Croc Champ 2013 - Round 1 {292} PROGRAMMING 1900
2466 Connected Components data structures dfs and similar dp ds Statement D Croc Champ 2013 - Round 1 {292} PROGRAMMING 1900
1176 Beautiful IP Addresses brute force Statement C Croc Champ 2013 - Round 1 {292} PROGRAMMING Чемпионат КРОК 2013 — Раунд 1 (Разбор задач) 2000
2938 Weird Game games greedy Statement A Croc Champ 2013 - Round 2 {293} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 1500
581 Cube Problem brute force math number theory Statement C Croc Champ 2013 - Round 2 {293} PROGRAMMING 2300
884 Distinct Paths brute force combinatorics Statement B Croc Champ 2013 - Round 2 {293} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 2600
240 Ksusha and Square geometry math probabilities two pointers Statement D Croc Champ 2013 - Round 2 {293} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 2700
1490 Close Vertices data structures divide and conquer trees Statement E Croc Champ 2013 - Round 2 {293} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 2700
4600 Shaass and Bookshelf dp greedy Statement B Codeforces Round 178 (Div. 2) {294} PROGRAMMING Codeforces Round #178 Editorial 1700
3875 Shaass and Lights combinatorics number theory Statement C Codeforces Round 178 (Div. 2) {294} PROGRAMMING Codeforces Round #178 Editorial 1900
984 Shaass the Great dp trees Statement E Codeforces Round 178 (Div. 2) {294} PROGRAMMING Codeforces Round #178 Editorial 2700
364 Shaass and Painter Robot brute force implementation number theory Statement D Codeforces Round 178 (Div. 2) {294} PROGRAMMING 2700
24110 Shaass and Oskols implementation math Statement A Codeforces Round 178 (Div. 2) {294} PROGRAMMING Codeforces Round #178 Editorial 900
18960 Greg and Array data structures implementation Statement A Codeforces Round 179 (Div. 1) {295} PROGRAMMING 1500
14773 Greg and Graph dp graphs shortest paths Statement B Codeforces Round 179 (Div. 1) {295} PROGRAMMING Codeforces Round #179 tutorial 1900
670 Greg and Caves combinatorics dp Statement D Codeforces Round 179 (Div. 1) {295} PROGRAMMING Codeforces Round #179 tutorial 2400
701 Yaroslav and Points data structures Statement E Codeforces Round 179 (Div. 1) {295} PROGRAMMING Codeforces Round #179 tutorial 2500
1773 Greg and Friends combinatorics dp graphs shortest paths Statement C Codeforces Round 179 (Div. 1) {295} PROGRAMMING 2500
23694 Yaroslav and Permutations greedy math Statement A Codeforces Round 179 (Div. 2) {296} PROGRAMMING Codeforces Round #179 tutorial 1100
2332 Yaroslav and Two Strings combinatorics dp Statement B Codeforces Round 179 (Div. 2) {296} PROGRAMMING Codeforces Round #179 tutorial 2000
3668 Parity Game constructive algorithms Statement A Codeforces Round 180 (Div. 1) {297} PROGRAMMING Tutorial for E 1700
3557 Fish Weight constructive algorithms greedy Statement B Codeforces Round 180 (Div. 1) {297} PROGRAMMING 1700
591 Color the Carpet constructive algorithms Statement D Codeforces Round 180 (Div. 1) {297} PROGRAMMING 2400
970 Splitting the Uniqueness constructive algorithms Statement C Codeforces Round 180 (Div. 1) {297} PROGRAMMING 2700
384 Mystic Carvings data structures Statement E Codeforces Round 180 (Div. 1) {297} PROGRAMMING 3000
11062 Snow Footprints greedy implementation Statement A Codeforces Round 180 (Div. 2) {298} PROGRAMMING Codeforces Round #180 Editorial 1300
14449 Sail brute force greedy implementation Statement B Codeforces Round 180 (Div. 2) {298} PROGRAMMING Codeforces Round #180 Editorial 1300
5527 Ksusha the Squirrel brute force implementation Statement B Croc Champ 2013 - Round 2 (Div. 2 Edition) {299} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 1000
8308 Ksusha and Array brute force number theory sortings Statement A Croc Champ 2013 - Round 2 (Div. 2 Edition) {299} PROGRAMMING Croc Champ 2013 — Round 2 — Editorial 1000
23428 Array brute force constructive algorithms implementation Statement A Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1200
6430 Coach brute force dfs and similar graphs Statement B Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1500
9880 Beautiful Numbers brute force combinatorics Statement C Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 1800
1050 Empire Strikes Back binary search math number theory Statement E Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 2400
760 Painting Square dp fft Statement D Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 2700
3100 Yaroslav and Sequence constructive algorithms Statement A Codeforces Round 182 (Div. 1) {301} PROGRAMMING Codeforces Round #182 tutorial 1800
2418 Yaroslav and Time binary search graphs shortest paths Statement B Codeforces Round 182 (Div. 1) {301} PROGRAMMING 2000
2498 Yaroslav and Divisors data structures Statement D Codeforces Round 182 (Div. 1) {301} PROGRAMMING Codeforces Round #182 tutorial 2200
475 Yaroslav and Algorithm constructive algorithms Statement C Codeforces Round 182 (Div. 1) {301} PROGRAMMING Codeforces Round #182 tutorial 2700
366 Yaroslav and Arrangements dp Statement E Codeforces Round 182 (Div. 1) {301} PROGRAMMING Codeforces Round #182 tutorial 2900
9189 Eugeny and Array implementation Statement A Codeforces Round 182 (Div. 2) {302} PROGRAMMING Codeforces Round #182 tutorial 1100
8355 Eugeny and Play List binary search implementation two pointers Statement B Codeforces Round 182 (Div. 2) {302} PROGRAMMING Codeforces Round #182 tutorial 1200
8035 Lucky Permutation Triple constructive algorithms implementation math Statement A Codeforces Round 183 (Div. 1) {303} PROGRAMMING Codeforces Round #183 Editorial 1400
1348 Rectangle Puzzle II implementation math Statement B Codeforces Round 183 (Div. 1) {303} PROGRAMMING 1900
302 Rotatable Number math number theory Statement D Codeforces Round 183 (Div. 1) {303} PROGRAMMING Codeforces Round #183 Editorial 2500
898 Minimum Modular brute force graphs math number theory Statement C Codeforces Round 183 (Div. 1) {303} PROGRAMMING Codeforces Round #183 Editorial 2700
327 Random Ranking dp math probabilities Statement E Codeforces Round 183 (Div. 1) {303} PROGRAMMING Codeforces Round #183 Editorial 2800
10921 Pythagorean Theorem II brute force math Statement A Codeforces Round 183 (Div. 2) {304} PROGRAMMING Codeforces Round #183 Editorial 1300
3004 Calendar brute force implementation Statement B Codeforces Round 183 (Div. 2) {304} PROGRAMMING Codeforces Round #183 Editorial 1400
4892 Strange Addition brute force constructive algorithms implementation Statement A Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 1600
2480 Ivan and Powers of Two greedy implementation Statement C Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 1600
2161 Continued Fractions brute force implementation math Statement B Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 1600
650 Playing with String games Statement E Codeforces Round 184 (Div. 2) {305} PROGRAMMING 7712 2500
516 Olya and Graph combinatorics math Statement D Codeforces Round 184 (Div. 2) {305} PROGRAMMING 2600
7175 Candies implementation Statement A Testing Round 6 {306} PROGRAMMING 1000
453 Optimizer data structures greedy sortings Statement B Testing Round 6 {306} PROGRAMMING 2000
501 White, Black and White Again combinatorics number theory Statement C Testing Round 6 {306} PROGRAMMING 2200
296 Polygon constructive algorithms geometry Statement D Testing Round 6 {306} PROGRAMMING 2300
1377 Memory for Arrays binary search bitmasks greedy Statement C Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING Чемпионат КРОК 2013 — Финальный раунд — Разбор 1900
493 Morning run binary search math two pointers Statement A Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING 2000
735 Context Advertising dp two pointers Statement B Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING 2100
176 Tennis Rackets brute force geometry Statement D Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING Чемпионат КРОК 2013 — Финальный раунд — Разбор 2600
233 Sheep binary search greedy Statement E Croc Champ 2013 - Finals (online version, Div. 1) {309} PROGRAMMING 2900
4081 The Closest Pair constructive algorithms implementation Statement A Codeforces Round 185 (Div. 1) {311} PROGRAMMING Codeforces Round #185 Editorial (Div.2 B&Div.1 E) 1400
3590 Cats Transport data structures dp Statement B Codeforces Round 185 (Div. 1) {311} PROGRAMMING 2400
677 Interval Cubing data structures math Statement D Codeforces Round 185 (Div. 1) {311} PROGRAMMING Codeforces Round #185 Editorial (Div.2 B&Div.1 E) 2500
491 Fetch the Treasure brute force data structures graphs shortest paths Statement C Codeforces Round 185 (Div. 1) {311} PROGRAMMING 2600
1258 Biologist flows Statement E Codeforces Round 185 (Div. 1) {311} PROGRAMMING 2900
5030 Whose sentence is it? implementation strings Statement A Codeforces Round 185 (Div. 2) {312} PROGRAMMING Codeforces Round #185 Editorial 1300
11884 Archer math probabilities Statement B Codeforces Round 185 (Div. 2) {312} PROGRAMMING Codeforces Round #185 Editorial 1300
45834 Ilya and Queries dp implementation Statement B Codeforces Round 186 (Div. 2) {313} PROGRAMMING Tutorial 1200
5681 Ilya and Matrix constructive algorithms greedy implementation sortings Statement C Codeforces Round 186 (Div. 2) {313} PROGRAMMING Tutorial 1400
1496 Ilya and Roads dp Statement D Codeforces Round 186 (Div. 2) {313} PROGRAMMING Tutorial 2100
558 Ilya and Two Numbers constructive algorithms data structures ds greedy Statement E Codeforces Round 186 (Div. 2) {313} PROGRAMMING Tutorial 2300
57931 Ilya and Bank Account implementation number theory Statement A Codeforces Round 186 (Div. 2) {313} PROGRAMMING Tutorial 900
2087 Sereja and Contest implementation Statement A Codeforces Round 187 (Div. 1) {314} PROGRAMMING 1700
1530 Sereja and Periods binary search dfs and similar strings Statement B Codeforces Round 187 (Div. 1) {314} PROGRAMMING Codeforces Round #187 tutorial 2000
1848 Sereja and Subsequences data structures dp Statement C Codeforces Round 187 (Div. 1) {314} PROGRAMMING Codeforces Round #187 tutorial 2300
533 Sereja and Straight Lines binary search data structures geometry sortings two pointers Statement D Codeforces Round 187 (Div. 1) {314} PROGRAMMING Codeforces Round #187 tutorial 2400
373 Sereja and Squares dp Statement E Codeforces Round 187 (Div. 1) {314} PROGRAMMING Codeforces Round #187 tutorial 2900
7071 Sereja and Array implementation Statement B Codeforces Round 187 (Div. 2) {315} PROGRAMMING Codeforces Round #187 tutorial 1200