Problemset - Codeforces

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Problems

#	Name
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14031
1546B	AquaMoon and Stolen String interactive, math	1200	x12864
1807E	Interview binary search, implementation, interactive	1300	x11945
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11716
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10612
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12407
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x10734
727C	Guess the Array constructive algorithms, interactive, math	1400	x6942
1425F	Flamingoes of Mystery interactive	1400	x5276
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x11668
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11434
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x10984
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x8727
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7254
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11136
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7450
1503B	3-Coloring constructive algorithms, games, interactive	1700	x6848
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6733
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6623
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6096
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x3525
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3491
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2320
1729E	Guess the Cycle Size interactive, probabilities	1800	x6749
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6516
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x5784
1713D	Tournament Countdown constructive algorithms, greedy, interactive, number theory, probabilities	1800	x5480
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5245
1010B	Rocket binary search, interactive	1800	x5075
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4663
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4538
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2890
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2381
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x8147
1207E	XOR Guessing bitmasks, interactive, math	1900	x5639
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x4757
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4400
1697D	Guess The String binary search, constructive algorithms, interactive	1900	x4290
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2792
952B	A Map of the Cat brute force, interactive	1900	x2003
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1707
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1550
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x4286
1634D	Finding Zero constructive algorithms, interactive, math	2000	x4237
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x4206
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x3721
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3534
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3531
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x3183
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3171
1815B	Sum Graph brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees	2000	x2871
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2765
1033D	Divisors interactive, math, number theory	2000	x2311
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x2149
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2053
1019B	The hat binary search, interactive	2000	x1891
1903E	Geo Game greedy, interactive, math	2000	x1815
862D	Mahmoud and Ehab and the binary string binary search, divide and conquer, interactive	2000	x1652
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1195
1919H	Tree Diameter interactive, trees	2000	x130
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3830
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x3300
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3240
1856D	More Wrong divide and conquer, interactive	2100	x3095
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x2279
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1956
811D	Vladik and Favorite Game constructive algorithms, dfs and similar, graphs, interactive	2100	x1526
1599H	Hidden Fortress interactive, math	2100	x1013
1970D1	Arithmancy (Easy) brute force, constructive algorithms, interactive, strings	2100	x410
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x2997
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2904
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2776
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2642
1840G1	In Search of Truth (Easy Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2200	x2240
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x2095
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1946
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1840
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1566
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1454
809B	Glad to see you! binary search, interactive	2200	x1454
1153E	Serval and Snake binary search, brute force, interactive	2200	x1449
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1420
1155E	Guess the Root brute force, interactive, math	2200	x1391
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1384
916D	Jamie and To-do List data structures, interactive, trees	2200	x489
1628C	Grid Xor constructive algorithms, greedy, implementation, interactive, math	2300	x3087
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2840
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x2167
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x2067
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1855
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1263
1617D2	Too Many Impostors (hard version) constructive algorithms, implementation, interactive, math	2400	x1708
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1694
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1678
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1476
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x1454
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1367
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x1260
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1210
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1187

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