Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
41:39:51
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	x5248
1238D	AB-string binary search, combinatorics, dp, strings	1900	x6066
1237D	Balanced Playlist binary search, data structures, implementation	2000	x4251
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4356
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x671
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1498
1225E	Rock Is Push binary search, dp	2200	x1905
1223G	Wooden Raft binary search, math, number theory	3200	x250
1223C	Save the Nature binary search, greedy	1600	x8391
1221F	Choose a Square binary search, data structures, sortings	2400	x1061
1221C	Perfect Team binary search, math	1200	x21318
1220F	Gardener Alex binary search, data structures	2700	x720
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7480
1217A	Creating a Character binary search, math	1300	x15055
1216E2	Numerical Sequence (hard version) binary search, math	2200	x1491
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3464
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3100	x45
1211E	Double Permutation Inc. *special problem, binary search, greedy	2000	x194
1211D	Teams *special problem, binary search, greedy, math	2000	x230
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4952
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10600
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7467
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x415
1201D	Treasure Hunting binary search, dp, greedy, implementation	2100	x2376
1201C	Maximum Median binary search, greedy, math, sortings	1400	x24200
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9502
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1690
1195B	Sport Mafia binary search, brute force, math	1000	x19974
1190E	Tokitsukaze and Explosion binary search, greedy	3100	x227
1187B	Letters Shop binary search, implementation, strings	1300	x12303
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5436
1183C	Computer Game binary search, math	1400	x14061
1182F	Maximum Sine binary search, data structures, number theory	2700	x345
1181D	Irrigation binary search, data structures, implementation, sortings, trees, two pointers	2200	x2420
1179C	Serge and Dining Room binary search, data structures, graph matchings, greedy, implementation, math, trees	2200	x2085
1178H	Stock Exchange binary search, flows, graphs	3500	x232
1177B	Digits Sequence (Hard Edition) binary search, divide and conquer, implementation	1800	x2593
1175C	Electrification binary search, brute force, greedy	1600	x6840
1170F	Wheels *special problem, binary search, greedy		x122
1170E	Sliding Doors *special problem, binary search		x261
1168A	Increasing by Modulo binary search, greedy	1700	x6894
1167E	Range Deleting binary search, combinatorics, data structures, two pointers	2100	x2695
1166D	Cute Sequences binary search, brute force, greedy, math	2200	x2181
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9678
1165F2	Microtransactions (hard version) binary search, greedy, implementation	2000	x2211
1165F1	Microtransactions (easy version) binary search, greedy	2000	x1923
1158E	Strange device binary search, interactive, math, trees	3400	x152
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x7215
1157E	Minimum Array binary search, data structures, greedy	1700	x8442
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x6157
1153E	Serval and Snake binary search, brute force, interactive	2200	x1508
1153D	Serval and Rooted Tree binary search, dfs and similar, dp, greedy, trees	1900	x5018
1148B	Born This Way binary search, brute force, two pointers	1600	x7518
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2295
1138A	Sushi for Two binary search, greedy, implementation	900	x18584
1136E	Nastya Hasn't Written a Legend binary search, data structures	2200	x1086
1132D	Stressful Training binary search, greedy	2300	x1941
1131C	Birthday binary search, greedy, sortings	1200	x14890
1129E	Legendary Tree binary search, interactive, trees	3100	x440
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x930
1119D	Frets On Fire binary search, sortings	1800	x4867
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x11223
1118D2	Coffee and Coursework (Hard Version) binary search, greedy	1700	x6339
1117C	Magic Ship binary search	1900	x7168
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2883
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6289
1109C	Sasha and a Patient Friend binary search, data structures, implementation	2800	x256
1108F	MST Unification binary search, dsu, graphs, greedy	2100	x2966
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x1072
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3297
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x2031
1101F	Trucks and Cities binary search, dp	2400	x1369
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x2390
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x10122
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x961
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x11171
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x224
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1088
1091E	New Year and the Acquaintance Estimation binary search, data structures, graphs, greedy, implementation, math, sortings	2400	x1013
1082E	Increasing Frequency binary search, dp, greedy	2000	x4665
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2601
1077D	Cutting Out binary search, sortings	1600	x8989
1076C	Meme Problem binary search, math	1300	x12512
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6434
1073C	Vasya and Robot binary search, two pointers	1800	x4812
1071E	Rain Protection binary search, geometry	3500	x146
1070E	Getting Deals Done binary search, data structures	2100	x1388
1066D	Boxes Packing binary search, implementation	1800	x5505
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x3070
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x1804
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4910
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1451
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2779
1056F	Write The Contest binary search, dp, math	2500	x663
1055E	Segments on the Line binary search, dp	2500	x734
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x976
1044A	The Tower is Going Home binary search, two pointers	1700	x2911
1042A	Benches binary search, implementation	1100	x12977
1041D	Glider binary search, data structures, two pointers	1700	x6007
1041C	Coffee Break binary search, data structures, greedy, two pointers	1600	x9525