Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1211A	Three Problems *special problem, implementation	1000	x1258
1210G	Mateusz and Escape Room dp	3500	x155
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x187
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x186
1210E	Wojtek and Card Tricks math	2700	x389
1210D	Konrad and Company Evaluation graphs	2400	x1423
1210C	Kamil and Making a Stream math, number theory, trees	2000	x3201
1210B	Marcin and Training Camp brute force, greedy	1700	x5662
1210A	Anadi and Domino brute force, graphs	1700	x5116
1209H	Moving Walkways data structures, greedy, math	3300	x134
1209G2	Into Blocks (hard version) data structures	3200	x376
1209G1	Into Blocks (easy version) data structures, dsu, greedy, implementation, two pointers	2000	x2854
1209F	Koala and Notebook data structures, dfs and similar, graphs, shortest paths, strings, trees	2600	x1065
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1845
1209E1	Rotate Columns (easy version) bitmasks, brute force, dp, greedy, sortings	2000	x2712
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x8786
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7215
1209B	Koala and Lights implementation, math, number theory	1300	x7933
1209A	Paint the Numbers greedy, implementation, math	800	x11921
1208H	Red Blue Tree data structures, implementation, trees	3500	x141
1208G	Polygons greedy, math, number theory	2800	x720
1208F	Bits And Pieces bitmasks, dfs and similar, dp, greedy	2600	x2090
1208E	Let Them Slide data structures, implementation	2200	x1956
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4648
1208C	Magic Grid constructive algorithms	1800	x5768
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10052
1208A	XORinacci math	900	x16255
1207G	Indie Album data structures, dfs and similar, hashing, string suffix structures, strings, trees	2700	x946
1207F	Remainder Problem brute force, data structures, implementation	2100	x4709
1207E	XOR Guessing bitmasks, interactive, math	1900	x5593
1207D	Number Of Permutations combinatorics	1800	x5766
1207C	Gas Pipeline dp, greedy	1500	x9529
1207B	Square Filling constructive algorithms, greedy, implementation	1200	x12936
1207A	There Are Two Types Of Burgers brute force, greedy, implementation, math	800	x21281
1206B	Make Product Equal One dp, implementation	900	x25925
1206A	Choose Two Numbers math, sortings	800	x23418
1205F	Beauty of a Permutation constructive algorithms, math	3400	x121
1205E	Expected Value Again combinatorics, strings	3100	x262
1205D	Almost All constructive algorithms, trees	2700	x612
1205C	Palindromic Paths implementation, interactive	2400	x1115
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6280
1205A	Almost Equal constructive algorithms, greedy, math	1200	x13803
1204E	Natasha, Sasha and the Prefix Sums combinatorics, dp, math, number theory	2300	x1570
1204D2	Kirk and a Binary String (hard version) data structures, greedy, math, strings	2100	x2969
1204D1	Kirk and a Binary String (easy version) brute force, greedy, strings	2000	x2847
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6425
1204B	Mislove Has Lost an Array greedy, math	900	x17119
1204A	BowWow and the Timetable math	1000	x19843
1203F2	Complete the Projects (hard version) dp, greedy	2300	x2588
1203F1	Complete the Projects (easy version) greedy	2100	x3243
1203E	Boxers greedy, sortings	1500	x13364
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7012
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8409
1203C	Common Divisors implementation, math	1300	x19511
1203B	Equal Rectangles greedy, math	1200	x15518
1203A	Circle of Students implementation	1000	x16363
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x368
1202E	You Are Given Some Strings... brute force, string suffix structures, strings	2400	x1776
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x4862
1202C	You Are Given a WASD-string... brute force, data structures, dp, greedy, implementation, math, strings	2100	x2350
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4355
1202A	You Are Given Two Binary Strings... bitmasks, greedy	1100	x8763
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x140
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x125
1201D	Treasure Hunting binary search, dp, greedy, implementation	2100	x2145
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21155
1201B	Zero Array greedy, math	1500	x17612
1201A	Important Exam implementation, strings	900	x15147
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x907
1200E	Compress Words brute force, hashing, implementation, string suffix structures, strings	2000	x6838
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3907
1200C	Round Corridor math, number theory	1400	x9582
1200B	Block Adventure dp, greedy	1200	x13584
1200A	Hotelier brute force, data structures, implementation	800	x19894
1199B	Water Lily geometry, math	1000	x19557
1199A	City Day implementation	1000	x13965
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x813
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x969
1198D	Rectangle Painting 1 dp	2300	x2964
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3245
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9152
1198A	MP3 sortings, two pointers	1600	x8735
1197F	Coloring Game dp, games, matrices	2700	x237
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1449
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5084
1197C	Array Splitting greedy, sortings	1400	x13522
1197B	Pillars greedy, implementation	1000	x13481
1197A	DIY Wooden Ladder greedy, math, sortings	900	x13236
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2296
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3494
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9296
1196D1	RGB Substring (easy version) implementation	1500	x10156
1196C	Robot Breakout implementation	1500	x9060
1196B	Odd Sum Segments constructive algorithms, math	1200	x16095
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27060
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x693
1195E	OpenStreetMap data structures, two pointers	2100	x2796
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4411
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7659
1195C	Basketball Exercise dp	1400	x23747