Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
06:03:10
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Problems

#	Name
1208C	Magic Grid constructive algorithms	1800	x6038
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10593
1208A	XORinacci math	900	x16865
1207G	Indie Album data structures, dfs and similar, hashing, string suffix structures, strings, trees	2700	x1038
1207F	Remainder Problem brute force, data structures, implementation	2100	x5357
1207E	XOR Guessing bitmasks, interactive, math	1900	x6002
1207D	Number Of Permutations combinatorics	1800	x6116
1207C	Gas Pipeline dp, greedy	1500	x9887
1207B	Square Filling constructive algorithms, greedy, implementation	1200	x13300
1207A	There Are Two Types Of Burgers brute force, greedy, implementation, math	800	x21953
1206B	Make Product Equal One dp, implementation	900	x27040
1206A	Choose Two Numbers math, sortings	800	x24527
1205F	Beauty of a Permutation constructive algorithms, math	3400	x123
1205E	Expected Value Again combinatorics, strings	3100	x284
1205D	Almost All constructive algorithms, trees	2700	x662
1205C	Palindromic Paths implementation, interactive	2400	x1181
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6714
1205A	Almost Equal constructive algorithms, greedy, math	1200	x14190
1204E	Natasha, Sasha and the Prefix Sums combinatorics, dp, math, number theory	2300	x1694
1204D2	Kirk and a Binary String (hard version) data structures, greedy, math, strings	2100	x3256
1204D1	Kirk and a Binary String (easy version) brute force, greedy, strings	2000	x3085
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6735
1204B	Mislove Has Lost an Array greedy, math	900	x17564
1204A	BowWow and the Timetable math	1000	x20994
1203F2	Complete the Projects (hard version) dp, greedy	2300	x2926
1203F1	Complete the Projects (easy version) greedy	2100	x3584
1203E	Boxers greedy, sortings	1500	x13896
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7459
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8832
1203C	Common Divisors implementation, math	1300	x20825
1203B	Equal Rectangles greedy, math	1200	x16035
1203A	Circle of Students implementation	1000	x16729
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x413
1202E	You Are Given Some Strings... brute force, string suffix structures, strings	2400	x2146
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5124
1202C	You Are Given a WASD-string... brute force, data structures, dp, greedy, implementation, math, strings	2100	x2580
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4578
1202A	You Are Given Two Binary Strings... bitmasks, greedy	1100	x9407
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x147
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x132
1201D	Treasure Hunting binary search, dp, greedy, implementation	2100	x2373
1201C	Maximum Median binary search, greedy, math, sortings	1400	x24121
1201B	Zero Array greedy, math	1500	x19127
1201A	Important Exam implementation, strings	900	x15753
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x1082
1200E	Compress Words brute force, hashing, implementation, string suffix structures, strings	2000	x7801
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x4145
1200C	Round Corridor math, number theory	1400	x9913
1200B	Block Adventure dp, greedy	1200	x14012
1200A	Hotelier brute force, data structures, implementation	800	x20478
1199B	Water Lily geometry, math	1000	x20688
1199A	City Day implementation	1000	x14946
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x892
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x1186
1198D	Rectangle Painting 1 dp	2300	x3311
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3591
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9499
1198A	MP3 sortings, two pointers	1600	x9048
1197F	Coloring Game dp, games, matrices	2700	x261
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1689
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5427
1197C	Array Splitting greedy, sortings	1400	x13969
1197B	Pillars greedy, implementation	1000	x13897
1197A	DIY Wooden Ladder greedy, math, sortings	900	x13571
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2669
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3745
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9755
1196D1	RGB Substring (easy version) implementation	1500	x10581
1196C	Robot Breakout implementation	1500	x9358
1196B	Odd Sum Segments constructive algorithms, math	1200	x16681
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27821
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x896
1195E	OpenStreetMap data structures, two pointers	2100	x3183
1195D2	Submarine in the Rybinsk Sea (hard edition) combinatorics, math, number theory	1800	x4672
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7903
1195C	Basketball Exercise dp	1400	x26461
1195B	Sport Mafia binary search, brute force, math	1000	x19945
1195A	Drinks Choosing greedy, math	1000	x13156
1194G	Another Meme Problem dp	2700	x260
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x996
1194E	Count The Rectangles bitmasks, brute force, data structures, geometry, sortings	2200	x1936
1194D	1-2-K Game games, math	1700	x6574
1194C	From S To T implementation, strings	1300	x13272
1194B	Yet Another Crosses Problem implementation	1300	x10320
1194A	Remove a Progression math	800	x16368
1193C	Scissors and Tape *special problem, constructive algorithms, geometry		x40
1193B	Magic Tree *special problem, data structures, dp, trees		x440
1193A	Amusement Park *special problem, dp, math		x277
1192C	Cubeword *special problem, brute force, dp, meet-in-the-middle		x331
1192B	Dynamic Diameter *special problem, data structures, dfs and similar, divide and conquer, trees		x1223
1192A	Building Skyscrapers *special problem		x62
1191B	Tokitsukaze and Mahjong brute force, implementation	1200	x9616
1191A	Tokitsukaze and Enhancement brute force	800	x18196
1190F	Tokitsukaze and Powers number theory, probabilities	3400	x93
1190E	Tokitsukaze and Explosion binary search, greedy	3100	x227
1190D	Tokitsukaze and Strange Rectangle data structures, divide and conquer, sortings, two pointers	2000	x2294
1190C	Tokitsukaze and Duel brute force, games, greedy	2300	x2031
1190B	Tokitsukaze, CSL and Stone Game games	1800	x6466
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9393
1189C	Candies! data structures, dp, implementation, math	1400	x10624