Problemset - Codeforces

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Problems

#	Name
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x2325
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3705
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5427
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x456
1578I	Interactive Rays geometry, interactive	3300	x63
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x129
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x409
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x718
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x7057
1552H	Guess the Perimeter binary search, interactive, number theory	3300	x393
1546B	AquaMoon and Stolen String interactive, math	1200	x13203
1545D	AquaMoon and Wrong Coordinate constructive algorithms, interactive, math	3000	x499
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x2025
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7645
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2784
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x151
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1958
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x6104
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x292
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x4384
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x3042
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x11925
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x629
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x490
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14619
1503B	3-Coloring constructive algorithms, games, interactive	1700	x7088
1499G	Graph Coloring data structures, graphs, interactive	3100	x194
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1947
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x454
1491F	Magnets binary search, constructive algorithms, interactive	2700	x1014
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x8605
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x12364
1482G	Vabank binary search, interactive	3200	x286
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11775
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1350
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x200
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x3014
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x4439
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x138
1442F	Differentiating Games games, interactive	3400	x140
1438F	Olha and Igor interactive, probabilities, trees	3000	x643
1428H	Rotary Laser Lock binary search, interactive	3500	x109
1425F	Flamingoes of Mystery interactive	1400	x5832
1423M	Milutin's Plums interactive	2800	x167
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x12167
1406E	Deleting Numbers interactive, math, number theory	2600	x1717
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x1102
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x293
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3546
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x307
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x2270
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x451
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1499
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1624
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x1051
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x1176
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1437
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x4098
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x875
1354G	Find a Gift binary search, interactive, probabilities	2600	x797
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x53
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x477
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x5054
1299E	So Mean interactive, math	3400	x164
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x370
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x667
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x840
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x674
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x1456
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x2254
1275F	Шардирование постов *special problem, binary search, interactive		x92
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4699
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x915
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1457
1207E	XOR Guessing bitmasks, interactive, math	1900	x6005
1205C	Palindromic Paths implementation, interactive	2400	x1182
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x147
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x132
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x176
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x1733
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x11873
1158E	Strange device binary search, interactive, math, trees	3400	x152
1155E	Guess the Root brute force, interactive, math	2200	x1444
1153E	Serval and Snake binary search, brute force, interactive	2200	x1508
1147F	Zigzag Game games, interactive	3500	x265
1147E	Rainbow Coins interactive	3000	x344
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x3710
1145G	AI Takeover interactive		x177
1142E	Pink Floyd graphs, interactive	3200	x520
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1632
1129E	Legendary Tree binary search, interactive, trees	3100	x440
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1533
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2884
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3297
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x859
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x209
1090F	How to Learn You Score constructive algorithms, interactive	2600	x326
1089C	Cactus Search interactive	2500	x422
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2873
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x475