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2129 Compress String dp strings Statement C Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} PROGRAMMING Разбор задач финала Технокубка 2019 и Codeforces Round #543 2200
1454 Power Tree dfs and similar dp ds graphs greedy trees Statement D Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} PROGRAMMING Разбор задач финала Технокубка 2019 и Codeforces Round #543 2400
434 Once in a casino constructive algorithms greedy implementation math Statement B Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} PROGRAMMING Разбор задач финала Технокубка 2019 и Codeforces Round #543 2700
261 Secret Letters data structures dp greedy Statement F Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} PROGRAMMING Разбор задач финала Технокубка 2019 и Codeforces Round #543 2900
129 The very same Munchhausen brute force Statement E Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) {1120} PROGRAMMING Разбор задач финала Технокубка 2019 и Codeforces Round #543 3000
7247 Technogoblet of Fire implementation sortings Statement A Codeforces Round 543 (Div. 2, based on Technocup 2019 Final Round) {1121} PROGRAMMING Codeforces Round #543 and Technocup 2019 Final Round Editorial 1100
9206 Mike and Children brute force implementation Statement B Codeforces Round 543 (Div. 2, based on Technocup 2019 Final Round) {1121} PROGRAMMING Codeforces Round #543 and Technocup 2019 Final Round Editorial 1200
2025 System Testing implementation Statement C Codeforces Round 543 (Div. 2, based on Technocup 2019 Final Round) {1121} PROGRAMMING Codeforces Round #543 and Technocup 2019 Final Round Editorial 1900
3838 Toy Train (Simplified) brute force greedy Statement A1 Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 1700
4116 Toy Train brute force greedy Statement A2 Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 1800
2231 Wrong Answer constructive algorithms Statement B Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 2200
934 Morse Code binary search data structures dp hashing sortings string suffix structures strings Statement C Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 2300
1115 Isolation data structures dp Statement D Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 2800
453 Legendary Tree binary search interactive trees Statement E Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 3000
7967 Two Cakes greedy Statement B Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 2) {1130} PROGRAMMING 65520 1200
8742 Connect brute force dfs and similar ds Statement C Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 2) {1130} PROGRAMMING 65520 1400
11752 Be Positive implementation Statement A Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 2) {1130} PROGRAMMING 65520 900
15018 Birthday binary search greedy sortings Statement C Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 1200
9801 Draw! greedy implementation Statement B Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 1300
6846 Asya And Kittens constructive algorithms ds Statement F Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 1700
3363 Gourmet choice dfs and similar dp ds graphs greedy Statement D Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 2000
1163 String Multiplication dp greedy strings Statement E Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 2200
456 Most Dangerous Shark data structures dp two pointers Statement G Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 2900
12519 Sea Battle math Statement A Codeforces Round 541 (Div. 2) {1131} PROGRAMMING Codeforces Round #541 Editorial 800
9686 Regular Bracket Sequence greedy implementation Statement A Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 1100
5467 Painting the Fence brute force Statement C Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 1700
8549 Clear the String dp Statement F Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 2000
1961 Stressful Training binary search greedy Statement D Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 2300
1528 Knapsack dfs and similar dp greedy Statement E Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 2400
1058 Greedy Subsequences data structures dp trees Statement G Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 2600
13145 Discounts greedy sortings Statement B Educational Codeforces Round 61 (Rated for Div. 2) {1132} PROGRAMMING T 900
17909 Middle of the Contest implementation Statement A Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 1000
13081 Preparation for International Women's Day math number theory Statement B Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 1300
23910 Balanced Team sortings two pointers Statement C Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 1300
12483 Zero Quantity Maximization hashing math number theory Statement D Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 1500
8004 Spanning Tree with Maximum Degree graphs Statement F1 Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 1600
5666 K Balanced Teams dp sortings two pointers Statement E Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 2000
3462 Spanning Tree with One Fixed Degree constructive algorithms dfs and similar ds graphs greedy Statement F2 Codeforces Round 544 (Div. 3) {1133} PROGRAMMING Codeforces Round #544 (Div. 3) Editorial 2200
11805 Nastya Is Playing Computer Games constructive algorithms math Statement B Codeforces Round 546 (Div. 2) {1136} PROGRAMMING Editorial of Round #546(Div.2) 1000
7769 Nastya Is Transposing Matrices constructive algorithms sortings Statement C Codeforces Round 546 (Div. 2) {1136} PROGRAMMING Editorial of Round #546(Div.2) 1500
3871 Nastya Is Buying Lunch greedy Statement D Codeforces Round 546 (Div. 2) {1136} PROGRAMMING Editorial of Round #546(Div.2) 1800
1093 Nastya Hasn't Written a Legend binary search data structures Statement E Codeforces Round 546 (Div. 2) {1136} PROGRAMMING Editorial of Round #546(Div.2) 2500
16518 Nastya Is Reading a Book implementation Statement A Codeforces Round 546 (Div. 2) {1136} PROGRAMMING Editorial of Round #546(Div.2) 700
4507 Skyscrapers implementation sortings Statement A Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 1600
6242 Camp Schedule greedy hashing strings Statement B Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 1700
1707 Cooperative Game constructive algorithms interactive number theory Statement D Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 2500
525 Train Car Selection data structures greedy Statement E Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 2800
1222 Museums Tour dp graphs implementation Statement C Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 2800
472 Matches Are Not a Child's Play data structures trees Statement F Codeforces Round 545 (Div. 1) {1137} PROGRAMMING Codeforces Round #545 – Editorial 3300
4049 Circus brute force greedy math strings Statement B Codeforces Round 545 (Div. 2) {1138} PROGRAMMING Codeforces Round #545 – Editorial 1700
18986 Sushi for Two binary search greedy implementation Statement A Codeforces Round 545 (Div. 2) {1138} PROGRAMMING Codeforces Round #545 – Editorial 900
16875 Chocolates greedy implementation Statement B Codeforces Round 548 (Div. 2) {1139} PROGRAMMING Codeforces Round #548 Editorial 1100
13034 Edgy Trees dfs and similar ds graphs math trees Statement C Codeforces Round 548 (Div. 2) {1139} PROGRAMMING Codeforces Round #548 Editorial 1500
2405 Steps to One dp math number theory probabilities Statement D Codeforces Round 548 (Div. 2) {1139} PROGRAMMING Codeforces Round #548 Editorial 2300
1871 Maximize Mex flows graph matchings graphs Statement E Codeforces Round 548 (Div. 2) {1139} PROGRAMMING Codeforces Round #548 Editorial 2400
443 Dish Shopping data structures divide and conquer Statement F Codeforces Round 548 (Div. 2) {1139} PROGRAMMING Codeforces Round #548 Editorial 2800
16913 Even Substrings implementation strings Statement A Codeforces Round 548 (Div. 2) {1139} PROGRAMMING Codeforces Round #548 Editorial 700
12408 Detective Book implementation Statement A Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 1000
12721 Minimum Triangulation dp greedy math Statement D Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 1200
11412 Good String implementation strings Statement B Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 1200
9701 Playlist brute force data structures sortings Statement C Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 1600
1970 Palindrome-less Arrays combinatorics divide and conquer dp Statement E Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 2200
1275 Extending Set of Points data structures divide and conquer ds Statement F Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 2700
513 Double Tree data structures divide and conquer shortest paths trees Statement G Educational Codeforces Round 62 (Rated for Div. 2) {1140} PROGRAMMING Educational Codeforces Round 62 Editorial 2900
21625 Maximal Continuous Rest implementation Statement B Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 1000
32961 Game 23 implementation math Statement A Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 1000
11604 Polycarp Restores Permutation math Statement C Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 1400
8624 Colored Boots greedy implementation Statement D Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 1500
6828 Superhero Battle math Statement E Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 1700
3925 Same Sum Blocks (Easy) greedy Statement F1 Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 2000
4268 Same Sum Blocks (Hard) data structures greedy Statement F2 Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 2200
2330 Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees Statement G Codeforces Round 547 (Div. 3) {1141} PROGRAMMING 66062 2500
3474 The Beatles brute force math Statement A Codeforces Round 549 (Div. 1) {1142} PROGRAMMING Codeforces Round #549 Editorial 1800
3139 Lynyrd Skynyrd data structures dfs and similar dp math trees Statement B Codeforces Round 549 (Div. 1) {1142} PROGRAMMING Codeforces Round #549 Editorial 2300
540 Foreigner dp Statement D Codeforces Round 549 (Div. 1) {1142} PROGRAMMING Codeforces Round #549 Editorial 2700
1405 U2 geometry Statement C Codeforces Round 549 (Div. 1) {1142} PROGRAMMING Codeforces Round #549 Editorial 2800
525 Pink Floyd graphs interactive Statement E Codeforces Round 549 (Div. 1) {1142} PROGRAMMING Codeforces Round #549 Editorial 3100
10719 Nirvana brute force math number theory Statement B Codeforces Round 549 (Div. 2) {1143} PROGRAMMING Codeforces Round #549 Editorial 1300
13137 Queen dfs and similar trees Statement C Codeforces Round 549 (Div. 2) {1143} PROGRAMMING Codeforces Round #549 Editorial 1400
13345 The Doors implementation Statement A Codeforces Round 549 (Div. 2) {1143} PROGRAMMING Codeforces Round #549 Editorial 700
17265 Parity Alternated Deletions greedy implementation sortings Statement B Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 1000
15577 Two Shuffled Sequences constructive algorithms sortings Statement C Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 1100
10433 Equalize Them All constructive algorithms greedy Statement D Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 1400
11972 Graph Without Long Directed Paths dfs and similar graphs Statement F Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 1700
4221 Median String bitmasks math number theory strings Statement E Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 1900
2058 Two Merged Sequences dp greedy Statement G Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 2600
19528 Diverse Strings implementation strings Statement A Codeforces Round 550 (Div. 3) {1144} PROGRAMMING 66307 900
8714 Thanos Sort implementation Statement A April Fools Day Contest 2019 {1145} PROGRAMMING 66327
1166 Pigeon d'Or implementation Statement D April Fools Day Contest 2019 {1145} PROGRAMMING 66327
516 Neat Words Statement F April Fools Day Contest 2019 {1145} PROGRAMMING 66327
808 Mystery Circuit bitmasks brute force Statement C April Fools Day Contest 2019 {1145} PROGRAMMING 66327
1463 Kanban Numbers brute force Statement B April Fools Day Contest 2019 {1145} PROGRAMMING 66327
430 Fourier Doodles Statement E April Fools Day Contest 2019 {1145} PROGRAMMING 66327
177 AI Takeover Statement G April Fools Day Contest 2019 {1145} PROGRAMMING
8689 Hate "A" implementation strings Statement B Forethought Future Cup - Elimination Round {1146} PROGRAMMING 66639 1100
3758 Tree Diameter bitmasks graphs interactive Statement C Forethought Future Cup - Elimination Round {1146} PROGRAMMING 66639 1700
1114 Frog Jumping dfs and similar math number theory Statement D Forethought Future Cup - Elimination Round {1146} PROGRAMMING 66639 2100
1204 Leaf Partition dp trees Statement F Forethought Future Cup - Elimination Round {1146} PROGRAMMING 66639 2400
938 Hot is Cold bitmasks data structures divide and conquer implementation Statement E Forethought Future Cup - Elimination Round {1146} PROGRAMMING 66639 2400
864 Zoning Restrictions dp flows graphs Statement G Forethought Future Cup - Elimination Round {1146} PROGRAMMING 66639 2600