Problemset - Codeforces

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Before contest
Codeforces Round #601 (Div. 1)
43:39:49

Before contest
Codeforces Round #601 (Div. 2)
43:39:48

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Problems

#	Name
1147F	Zigzag Game games, interactive	3400	x54
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3400	x56
1158E	Strange device binary search, interactive, math, trees	3300	x40
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x56
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x60
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3100	x99
1142E	Pink Floyd graphs, interactive	3100	x109
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x58
1129E	Legendary Tree binary search, interactive, trees	3000	x160
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x58
788D	Finding lines constructive algorithms, divide and conquer, interactive	2900	x141
1147E	Rainbow Coins interactive	2900	x168
1028G	Guess the number dp, interactive	2900	x239
1007C	Guess two numbers binary search, interactive	2800	x168
1089C	Cactus Search interactive	2800	x229
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2700	x249
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2700	x283
1080F	Katya and Segments Sets data structures, interactive, sortings	2700	x306
916D	Jamie and To-do List data structures, interactive, trees	2600	x259
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2500	x257
1137D	Cooperative Game constructive algorithms, interactive, number theory	2500	x593
1205C	Palindromic Paths implementation, interactive	2500	x741
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2400	x177
1061F	Lost Root interactive, probabilities	2400	x333
1100D	Dasha and Chess constructive algorithms, games, interactive	2400	x560
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x589
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2300	x667
1155E	Guess the Root brute force, interactive, math	2200	x813
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x849
809B	Glad to see you! binary search, interactive	2200	x1011
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1097
1019B	The hat binary search, interactive	2200	x1188
870D	Something with XOR Queries brute force, interactive, probabilities	2100	x843
1153E	Serval and Snake binary search, brute force, interactive	2100	x1017
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1304
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x1427
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2100	x1680
811D	Vladik and Favorite Game constructive algorithms, dfs and similar, graphs, interactive	2000	x1012
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1067
744B	Hongcow's Game bitmasks, divide and conquer, interactive	2000	x1299
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x1310
1033D	Divisors interactive, math, number theory	2000	x1412
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x1417
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x1624
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x2103
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1049
730B	Minimum and Maximum constructive algorithms, interactive	1900	x1605
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x1808
1207E	XOR Guessing bitmasks, interactive, math	1800	x2971
1010B	Rocket binary search, interactive	1800	x3145
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x1599
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x2077
727C	Guess the Array constructive algorithms, interactive, math	1400	x2520
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x5105
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x6108
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x5342