Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
00:56:44

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Problems

#	Name
1352A	Sum of Round Numbers implementation, math	800	x81055
1351C	Skier data structures, implementation	1400	x8619
1351B	Square? brute force, implementation, math	900	x17113
1351A	A+B (Trial Problem) implementation	800	x24216
1350B	Orac and Models dp, math, number theory	1400	x22509
1350A	Orac and Factors math	900	x26139
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x114
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x418
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x92
1349D	Slime and Biscuits math, probabilities	3200	x909
1349C	Orac and Game of Life dfs and similar, graphs, implementation, shortest paths	2000	x4543
1349B	Orac and Medians constructive algorithms, greedy, math	2000	x8195
1349A	Orac and LCM data structures, math, number theory	1600	x17300
1348F	Phoenix and Memory data structures, dfs and similar, graphs, greedy	2600	x820
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x2243
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x8906
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14679
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x25505
1348A	Phoenix and Balance greedy, math	800	x39762
1346I	Pac-Man 2.0 *special problem, dp	2900	x49
1346H	Game with Segments *special problem, data structures, games	2700	x50
1346G	Two IP Cameras *special problem, math, number theory	2300	x135
1346F	Dune II: Battle For Arrakis *special problem, data structures, greedy, math	2000	x228
1346E	Magic Tricks *special problem, dp, graphs	1700	x380
1346D	Constructing the Dungeon *special problem, graphs, greedy	1600	x506
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x608
1346B	Boot Camp *special problem, greedy	1400	x1210
1346A	Color Revolution *special problem, math	1000	x2043
1345B	Card Constructions binary search, brute force, dp, math	1100	x26566
1345A	Puzzle Pieces math	800	x24240
1344F	Piet's Palette matrices	3200	x455
1344E	Train Tracks data structures, trees	3100	x461
1344D	Résumé Review binary search, greedy, math	2700	x1169
1344C	Quantifier Question dfs and similar, dp, graphs, math	2600	x1863
1344B	Monopole Magnets constructive algorithms, dfs and similar, dsu, graphs	2000	x6076
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15696
1343F	Restore the Permutation by Sorted Segments brute force, constructive algorithms, data structures, greedy, implementation	2400	x1272
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x5219
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12756
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x38693
1343B	Balanced Array constructive algorithms, math	800	x57064
1343A	Candies brute force, math	900	x48326
1342F	Make It Ascending bitmasks, brute force, dp	3000	x766
1342E	Placing Rooks combinatorics, fft, math	2300	x3111
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x6123
1342C	Yet Another Counting Problem math, number theory	1600	x14088
1342B	Binary Period constructive algorithms, strings	1100	x23744
1342A	Road To Zero greedy, math	1000	x40887
1341B	Nastya and Door greedy, implementation	1300	x19742
1341A	Nastya and Rice math	900	x29113
1340F	Nastya and CBS brute force, data structures, hashing	3300	x508
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x53
1340D	Nastya and Time Machine constructive algorithms, dfs and similar, graphs, trees	2600	x995
1340C	Nastya and Unexpected Guest dfs and similar, dp, graphs, shortest paths	2400	x2254
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7873
1340A	Nastya and Strange Generator brute force, data structures, greedy, implementation	1500	x13430
1339B	Sorted Adjacent Differences constructive algorithms, sortings	1200	x26557
1339A	Filling Diamonds brute force, dp, implementation, math	900	x32199
1338E	JYPnation graphs	3500	x245
1338D	Nested Rubber Bands constructive algorithms, dfs and similar, dp, math, trees	2700	x1023
1338C	Perfect Triples bitmasks, brute force, constructive algorithms, divide and conquer, math	2200	x3231
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x8508
1338A	Powered Addition greedy, math	1500	x24293
1337B	Kana and Dragon Quest game greedy, implementation, math	900	x34411
1337A	Ichihime and Triangle constructive algorithms, math	800	x38599
1336F	Journey data structures, divide and conquer, graphs, trees	3500	x220
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x307
1336E1	Chiori and Doll Picking (easy version) bitmasks, brute force, combinatorics, math	2700	x691
1336D	Yui and Mahjong Set constructive algorithms, interactive	3200	x476
1336C	Kaavi and Magic Spell dp, strings	2200	x3620
1336B	Xenia and Colorful Gems binary search, greedy, math, sortings, two pointers	1700	x11415
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x20592
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x2195
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x8388
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10895
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x27539
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x34925
1335B	Construct the String constructive algorithms	900	x38711
1335A	Candies and Two Sisters math	800	x85994
1334G	Substring Search bitmasks, brute force, fft	2900	x374
1334F	Strange Function binary search, data structures, dp, greedy	2500	x1323
1334E	Divisor Paths combinatorics, graphs, greedy, math, number theory	2200	x2850
1334D	Minimum Euler Cycle constructive algorithms, graphs, greedy, implementation	1800	x7340
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16727
1334B	Middle Class greedy, sortings	1100	x25952
1334A	Level Statistics implementation, math	1200	x23354
1333F	Kate and imperfection greedy, implementation, math, number theory, sortings, two pointers	2200	x4281
1333E	Road to 1600 brute force, constructive algorithms	2400	x1704
1333D	Challenges in school №41 brute force, constructive algorithms, games, graphs, greedy, implementation, sortings	2100	x3949
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12640
1333B	Kind Anton greedy, implementation	1100	x21649
1333A	Little Artem constructive algorithms	1000	x24664
1332G	No Monotone Triples data structures	3100	x301
1332F	Independent Set dfs and similar, dp, trees	2500	x1018
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x3871
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x8198
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x16799
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17671
1332A	Exercising Walk greedy, implementation, math	1100	x19438
1331H	It's showtime *special problem		x626