Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Global Round 5
23:31:54
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

binary search

Add tag

Problems

#	Name
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x1651
1238D	AB-string binary search, combinatorics, dp, strings	1800	x2523
1223G	Wooden Raft binary search, math, number theory	3100	x67
1223C	Save the Nature binary search, greedy	1600	x3894
1216E2	Numerical Sequence (hard version) binary search, math	2300	x652
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x1741
1221F	Choose a Square binary search, data structures, sortings	2500	x433
1221C	Perfect Team binary search, math	1200	x7806
1220F	Gardener Alex binary search, data structures	2600	x298
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3000	x13
1211E	Double Permutation Inc. *special problem, binary search, greedy	2200	x101
1211D	Teams *special problem, binary search, greedy, math	2200	x125
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1600	x4064
1217A	Creating a Character binary search, math	1300	x7949
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x2729
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x5255
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1800	x3457
1202F	You Are Given Some Letters... binary search, implementation, math	2800	x152
1201D	Treasure Hunting binary search, dp, greedy, implementation	2000	x1250
1201C	Maximum Median binary search, greedy, math, sortings	1400	x6121
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x5023
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x795
1195B	Sport Mafia binary search, brute force, math	1100	x8868
1178H	Stock Exchange binary search, flows, graphs	3500	x25
1190E	Tokitsukaze and Explosion binary search, greedy	3100	x99
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x2174
1187B	Letters Shop binary search, implementation, strings	1300	x6801
1183C	Computer Game binary search, math	1400	x6565
1179C	Serge and Dining Room binary search, data structures, graph matchings, greedy, implementation, math, trees	2400	x940
1181D	Irrigation binary search, data structures, implementation, sortings, trees, two pointers	2100	x1065
1182F	Maximum Sine binary search, data structures, number theory	2900	x154
1175C	Electrification binary search, brute force, greedy	1600	x3764
1148B	Born This Way binary search, brute force, two pointers	1700	x4252
1177B	Digits Sequence (Hard Edition) binary search, divide and conquer, implementation	1800	x1048
1170F	Wheels *special problem, binary search, greedy		x79
1170E	Sliding Doors *special problem, binary search		x177
1168A	Increasing by Modulo binary search, greedy	1800	x3322
1166D	Cute Sequences binary search, brute force, greedy, math	2100	x1305
1166C	A Tale of Two Lands binary search, sortings, two pointers	1600	x4951
1167E	Range Deleting binary search, combinatorics, data structures, two pointers	2100	x1269
1165F1	Microtransactions (easy version) binary search, greedy	2400	x859
1165F2	Microtransactions (hard version) binary search, greedy, implementation	2400	x914
1158E	Strange device binary search, interactive, math, trees	3300	x37
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x3755
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x2870
1157E	Minimum Array binary search, data structures, greedy	1700	x3597
1153E	Serval and Snake binary search, brute force, interactive	2100	x1008
1153D	Serval and Rooted Tree binary search, dfs and similar, dp, greedy, trees	1800	x2528
1119D	Frets On Fire binary search, sortings	1700	x3125
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x5760
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2500	x1081
1136E	Nastya Hasn't Written a Legend binary search, data structures	2500	x672
1138A	Sushi for Two binary search, greedy, implementation	900	x7160
1132D	Stressful Training binary search, greedy	2300	x965
1129E	Legendary Tree binary search, interactive, trees	3000	x152
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2300	x513
1131C	Birthday binary search, greedy, sortings	1200	x7096
1118D2	Coffee and Coursework (Hard Version) binary search, greedy	1900	x2902
1117C	Magic Ship binary search	1800	x2701
1109C	Sasha and a Patient Friend binary search, data structures, implementation	2800	x140
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2100	x1668
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x3783
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x503
1108F	MST Unification binary search, dsu, graphs, greedy	2300	x1181
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x2076
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x1305
1100C	NN and the Optical Illusion binary search, geometry, math	1300	x6312
1101F	Trucks and Cities binary search, dp	2500	x555
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2400	x849
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2300	x507
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x7008
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x69
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2300	x485
1091E	New Year and the Acquaintance Estimation binary search, data structures, graphs, greedy, implementation, math, sortings	2400	x743
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x1523
1056F	Write The Contest binary search, dp, math	2400	x320
1077D	Cutting Out binary search, sortings	1600	x3563
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x816
1076C	Meme Problem binary search, math	1300	x6349
1055E	Segments on the Line binary search, dp	2400	x402
1044A	The Tower is Going Home binary search, two pointers	1700	x1970
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x4037
1073C	Vasya and Robot binary search, two pointers	1800	x2720
1071E	Rain Protection binary search, geometry	3500	x47
1070E	Getting Deals Done binary search, data structures	2300	x830
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x1798
1066D	Boxes Packing binary search, implementation	1700	x2793
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2700	x248
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x721
1059D	Nature Reserve binary search, geometry, ternary search	2200	x1618
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x3148
1034D	Intervals of Intervals binary search, data structures, two pointers	3500	x93
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2500	x366
1042A	Benches binary search, implementation	1200	x6888
1041D	Glider binary search, data structures, two pointers	1700	x3640
1041C	Coffee Break binary search, data structures, greedy, two pointers	1500	x5155
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x1411
1029F	Multicolored Markers binary search, brute force, math, number theory	2100	x1405
1027F	Session in BSU binary search, dfs and similar, dsu, graph matchings, graphs	2400	x609
1019D	Large Triangle binary search, geometry, sortings	2700	x332

←