Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
21:56:09
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Before contest
Codeforces Round 941 (Div. 2)
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binary search

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Problems

#	Name
1263C	Everyone is a Winner! binary search, math, meet-in-the-middle, number theory	1400	x13286
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3580
1260B	Obtain Two Zeroes binary search, math	1300	x15078
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7198
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x1574
1251E2	Voting (Hard Version) binary search, data structures, greedy	2400	x2352
1251D	Salary Changing binary search, greedy, sortings	1900	x5610
1250L	Divide The Students binary search, greedy, math	1500	x4015
1250J	The Parade binary search, greedy	1800	x2845
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x126
1249C2	Good Numbers (hard version) binary search, greedy, math, meet-in-the-middle	1500	x12199
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x4789
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5727
1237D	Balanced Playlist binary search, data structures, implementation	2000	x3780
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4126
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x634
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1434
1225E	Rock Is Push binary search, dp	2200	x1785
1223G	Wooden Raft binary search, math, number theory	3200	x226
1223C	Save the Nature binary search, greedy	1600	x7723
1221F	Choose a Square binary search, data structures, sortings	2400	x973
1221C	Perfect Team binary search, math	1200	x20094
1220F	Gardener Alex binary search, data structures	2700	x657
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7082
1217A	Creating a Character binary search, math	1300	x14625
1216E2	Numerical Sequence (hard version) binary search, math	2200	x1422
1216E1	Numerical Sequence (easy version) binary search, brute force, math	1900	x3358
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3100	x41
1211E	Double Permutation Inc. *special problem, binary search, greedy	2000	x188
1211D	Teams *special problem, binary search, greedy, math	2000	x223
1208D	Restore Permutation binary search, data structures, greedy, implementation	1900	x4650
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10059
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7013
1202F	You Are Given Some Letters... binary search, implementation, math	2700	x368
1201D	Treasure Hunting binary search, dp, greedy, implementation	2100	x2149
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21175
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9154
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1452
1195B	Sport Mafia binary search, brute force, math	1000	x18920
1190E	Tokitsukaze and Explosion binary search, greedy	3100	x221
1187B	Letters Shop binary search, implementation, strings	1300	x11847
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5075
1183C	Computer Game binary search, math	1400	x13634
1182F	Maximum Sine binary search, data structures, number theory	2700	x329
1181D	Irrigation binary search, data structures, implementation, sortings, trees, two pointers	2200	x2017
1179C	Serge and Dining Room binary search, data structures, graph matchings, greedy, implementation, math, trees	2200	x1946
1178H	Stock Exchange binary search, flows, graphs	3500	x206
1177B	Digits Sequence (Hard Edition) binary search, divide and conquer, implementation	1800	x2393
1175C	Electrification binary search, brute force, greedy	1600	x6597
1170F	Wheels *special problem, binary search, greedy		x115
1170E	Sliding Doors *special problem, binary search		x253
1168A	Increasing by Modulo binary search, greedy	1700	x6300
1167E	Range Deleting binary search, combinatorics, data structures, two pointers	2100	x2396
1166D	Cute Sequences binary search, brute force, greedy, math	2200	x2042
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9026
1165F2	Microtransactions (hard version) binary search, greedy, implementation	2000	x2019
1165F1	Microtransactions (easy version) binary search, greedy	2000	x1763
1158E	Strange device binary search, interactive, math, trees	3400	x147
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6736
1157E	Minimum Array binary search, data structures, greedy	1700	x8135
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x5882
1153E	Serval and Snake binary search, brute force, interactive	2200	x1446
1153D	Serval and Rooted Tree binary search, dfs and similar, dp, greedy, trees	1900	x4826
1148B	Born This Way binary search, brute force, two pointers	1600	x7146
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2183
1138A	Sushi for Two binary search, greedy, implementation	900	x17354
1136E	Nastya Hasn't Written a Legend binary search, data structures	2200	x1040
1132D	Stressful Training binary search, greedy	2300	x1814
1131C	Birthday binary search, greedy, sortings	1200	x14393
1129E	Legendary Tree binary search, interactive, trees	3100	x369
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x896
1119D	Frets On Fire binary search, sortings	1800	x4493
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9790
1118D2	Coffee and Coursework (Hard Version) binary search, greedy	1700	x5920
1117C	Magic Ship binary search	1900	x6341
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2770
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6095
1109C	Sasha and a Patient Friend binary search, data structures, implementation	2800	x244
1108F	MST Unification binary search, dsu, graphs, greedy	2100	x2548
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x986
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3165
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x1899
1101F	Trucks and Cities binary search, dp	2400	x1252
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x2285
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x9716
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x907
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x10973
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x211
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x865
1091E	New Year and the Acquaintance Estimation binary search, data structures, graphs, greedy, implementation, math, sortings	2400	x974
1082E	Increasing Frequency binary search, dp, greedy	2000	x3996
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2528
1077D	Cutting Out binary search, sortings	1600	x8294
1076C	Meme Problem binary search, math	1300	x12052
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6305
1073C	Vasya and Robot binary search, two pointers	1800	x4544
1071E	Rain Protection binary search, geometry	3500	x90
1070E	Getting Deals Done binary search, data structures	2100	x1189
1066D	Boxes Packing binary search, implementation	1800	x5291
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2787