Problemset - Codeforces

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Before contest
Codeforces Round #675 (Div. 2)
4 days

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Difficulty: —

binary search

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Problems

#	Name
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x31626
230B	T-primes binary search, implementation, math, number theory	1300	x29125
750A	New Year and Hurry binary search, brute force, implementation, math	800	x27543
706B	Interesting drink binary search, dp, implementation	1100	x22791
474B	Worms binary search, implementation	1200	x20914
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x20508
1352C	K-th Not Divisible by n binary search, math	1200	x20340
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x19502
279B	Books binary search, brute force, implementation, two pointers	1400	x18135
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x17478
1366A	Shovels and Swords binary search, greedy, math	1100	x17251
1345B	Card Constructions binary search, brute force, dp, math	1100	x16425
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x16117
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x15659
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x15382
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x12846
1288A	Deadline binary search, brute force, math, ternary search	1100	x12675
580B	Kefa and Company binary search, sortings, two pointers	1500	x12649
978C	Letters binary search, implementation, two pointers	1000	x12099
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x12061
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x11747
1195B	Sport Mafia binary search, brute force, math	1000	x11726
1221C	Perfect Team binary search, math	1200	x11682
1293A	ConneR and the A.R.C. Markland-N binary search, brute force, implementation	1100	x11529
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x11474
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x10890
1217A	Creating a Character binary search, math	1300	x10354
676C	Vasya and String binary search, dp, strings, two pointers	1500	x9997
1260B	Obtain Two Zeroes binary search, math	1300	x9856
1301B	Motarack's Birthday binary search, greedy, ternary search	1500	x9637
1138A	Sushi for Two binary search, greedy, implementation	900	x9496
1131C	Birthday binary search, greedy, sortings	1200	x9437
1279B	Verse For Santa binary search, brute force, implementation	1300	x9337
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x9305
371C	Hamburgers binary search, brute force	1600	x9040
166A	Rank List binary search, implementation, sortings	1100	x9011
1201C	Maximum Median binary search, greedy, math, sortings	1400	x9010
1359C	Mixing Water binary search, math	1700	x8938
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x8878
1183C	Computer Game binary search, math	1400	x8740
1263C	Everyone is a Winner! binary search, math, meet-in-the-middle, number theory	1400	x8571
251A	Points on Line binary search, combinatorics, two pointers	1300	x8564
1187B	Letters Shop binary search, implementation, strings	1300	x8501
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x8444
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x8304
1042A	Benches binary search, implementation	1100	x8300
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x8238
348A	Mafia binary search, math, sortings	1600	x8109
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x8104
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x8047
1076C	Meme Problem binary search, math	1300	x7977
1249C2	Good Numbers (hard version) binary search, greedy, math, meet-in-the-middle	1500	x7969
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x7926
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x7898
165B	Burning Midnight Oil binary search, implementation	1500	x7845
911B	Two Cakes binary search, brute force, implementation	1200	x7820
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x7796
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x7635
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x7487
701C	They Are Everywhere binary search, strings, two pointers	1500	x7388
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x7372
812C	Sagheer and Nubian Market binary search, sortings	1500	x7349
1011B	Planning The Expedition binary search, brute force, implementation	1200	x7336
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x7319
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x7296
816B	Karen and Coffee binary search, data structures, implementation	1400	x7263
271B	Prime Matrix binary search, brute force, math, number theory	1300	x7255
448D	Multiplication Table binary search, brute force	1800	x7185
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x7157
778A	String Game binary search, greedy, strings	1700	x7083
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x7070
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x7068
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x7047
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x6866
567C	Geometric Progression binary search, data structures, dp	1700	x6773
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x6771
991C	Candies binary search, implementation	1500	x6457
607A	Chain Reaction binary search, dp	1600	x6453
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x6441
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x6417
1010A	Fly binary search, math	1500	x6411
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x6396
1301C	Ayoub's function binary search, combinatorics, greedy, math, strings	1700	x6385
604B	More Cowbell binary search, greedy	1400	x6319
1041C	Coffee Break binary search, data structures, greedy, two pointers	1600	x6271
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x6266
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x6256
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x6241
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x6222
192A	Funky Numbers binary search, brute force, implementation	1300	x6197
1323B	Count Subrectangles binary search, greedy, implementation	1500	x6103
1315B	Homecoming binary search, dp, greedy, strings	1300	x6094
1326D2	Prefix-Suffix Palindrome (Hard version) binary search, greedy, hashing, string suffix structures, strings	1800	x6060
670D2	Magic Powder - 2 binary search, implementation	1500	x6059
996B	World Cup binary search, math	1300	x6043
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x5947
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x5859
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x5833
75C	Modified GCD binary search, number theory	1600	x5789
785C	Anton and Fairy Tale binary search, math	1600	x5706

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