Problemset - Codeforces

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CodeCraft-22 and Codeforces Round #795 (Div. 2)
3 days

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Difficulty: —

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Problems

#	Name
1673F	Anti-Theft Road Planning bitmasks, constructive algorithms, divide and conquer, greedy, interactive, math	2400	x514
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x1588
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x906
1665D	GCD Guess bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory	2000	x2429
1639K	Treasure Hunt graphs, interactive
1639J	Treasure Hunt graphs, interactive
1639I	Treasure Hunt graphs, interactive
1639H	Treasure Hunt graphs, interactive
1639G	Treasure Hunt graphs, interactive
1639F	Treasure Hunt graphs, interactive
1639E	Treasure Hunt graphs, interactive
1639D	Treasure Hunt graphs, interactive
1639C	Treasure Hunt graphs, interactive
1639B	Treasure Hunt graphs, interactive
1639A	Treasure Hunt graphs, interactive
1634D	Finding Zero constructive algorithms, interactive, math	2000	x3438
1633F	Perfect Matching data structures, divide and conquer, interactive, trees	2800	x213
1628C	Grid Xor constructive algorithms, greedy, implementation, interactive, math	2300	x2464
1624F	Interacdive Problem binary search, constructive algorithms, interactive	2000	x2408
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x5628
1617D2	Too Many Impostors (hard version) constructive algorithms, implementation, interactive, math	2400	x1309
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x3595
1599H	Hidden Fortress interactive, math	2100	x774
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x1773
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x2859
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x4336
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x362
1578I	Interactive Rays geometry, interactive	3300	x42
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x67
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x232
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x582
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x4936
1552H	Guess the Perimeter binary search, interactive, number theory	3300	x193
1546B	AquaMoon and Stolen String interactive, math	1200	x11147
1545D	AquaMoon and Wrong Coordinate constructive algorithms, interactive, math	3000	x297
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x1692
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x6570
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2126
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x105
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1512
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x4650
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x151
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x3791
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2426
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x8135
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x397
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x334
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x11416
1503B	3-Coloring constructive algorithms, games, interactive	1700	x5959
1499G	Graph Coloring data structures, graphs, interactive	3100	x131
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1531
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x295
1491F	Magnets binary search, constructive algorithms, interactive	2700	x708
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x6412
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x9093
1482G	Vabank binary search, interactive	3200	x164
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x9072
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1104
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x115
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x2325
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x3494
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x78
1442F	Differentiating Games games, interactive	3400	x55
1438F	Olha and Igor interactive, probabilities, trees	3000	x346
1428H	Rotary Laser Lock binary search, interactive	3500	x61
1425F	Flamingoes of Mystery interactive	1400	x3675
1423M	Milutin's Plums interactive	2800	x106
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x9608
1406E	Deleting Numbers interactive, math, number theory	2600	x1226
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x699
1403A	The Potion of Great Power *special problem, 2-sat, binary search, data structures, graphs, interactive, sortings, two pointers	2400	x256
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2858
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x189
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x1597
1372F	Omkar and Modes binary search, divide and conquer, interactive	2700	x315
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1015
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1132
1368F	Lamps on a Circle games, implementation, interactive, math	2600	x728
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x633
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x840
1363D	Guess The Maximums binary search, implementation, interactive, math	2100	x3386
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x612
1354G	Find a Gift binary search, interactive, probabilities	2600	x511
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x40
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x385
1305D	Kuroni and the Celebration constructive algorithms, dfs and similar, interactive, trees	1900	x4110
1299E	So Mean interactive, math	3400	x98
1292E	Rin and The Unknown Flower constructive algorithms, greedy, interactive, math	3500	x188
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x280
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x381
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x473
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x1000
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x1759
1275F	Шардирование постов *special problem, binary search, interactive		x91
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x3902
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x552
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1064
1207E	XOR Guessing bitmasks, interactive, math	1900	x4681
1205C	Palindromic Paths implementation, interactive	2400	x995
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x100

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