Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
39:45:29
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Problems

#	Name
1505G	Encoded message *special problem, implementation	2600	x307
1505F	Math *special problem, math	2200	x1510
1505E	Cakewalk *special problem, greedy, implementation, shortest paths	1800	x1807
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x800
1505C	Fibonacci Words *special problem, implementation	1400	x6459
1505B	DMCA *special problem, implementation, number theory	1600	x6192
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14586
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x18791
1504A	Déjà Vu constructive algorithms, strings	800	x21775
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x184
1503E	2-Coloring combinatorics, dp, math	3100	x714
1503D	Flip the Cards 2-sat, constructive algorithms, data structures, greedy, sortings, two pointers	2600	x1129
1503C	Travelling Salesman Problem binary search, data structures, dp, greedy, shortest paths, sortings, two pointers	2200	x3460
1503B	3-Coloring constructive algorithms, games, interactive	1700	x7085
1503A	Balance the Bits constructive algorithms, greedy	1600	x13486
1501B	Napoleon Cake dp, implementation, sortings	900	x19293
1501A	Alexey and Train implementation	800	x11636
1500F	Cupboards Jumps dp	3500	x354
1500E	Subset Trick binary search, data structures	3300	x219
1500D	Tiles for Bathroom data structures, sortings, two pointers	2900	x462
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x821
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x2084
1500A	Going Home brute force, hashing, implementation, math	1800	x8908
1499G	Graph Coloring data structures, graphs, interactive	3100	x192
1499F	Diameter Cuts combinatorics, dfs and similar, dp, trees	2400	x1366
1499E	Chaotic Merge combinatorics, dp, math, strings	2400	x1517
1499D	The Number of Pairs dp, math, number theory	2100	x5922
1499C	Minimum Grid Path brute force, data structures, greedy, math	1500	x12711
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20838
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21300
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x928
1498E	Two Houses brute force, graphs, greedy, interactive, sortings	2200	x1946
1498D	Bananas in a Microwave dfs and similar, dp, graphs, implementation	2200	x2341
1498C	Planar Reflections brute force, data structures, dp	1600	x9800
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x17413
1498A	GCD Sum brute force, math	800	x23343
1497E2	Square-Free Division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1741
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8404
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1549
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x17448
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x26043
1497B	M-arrays constructive algorithms, greedy, math	1200	x20199
1497A	Meximization brute force, data structures, greedy, sortings	800	x24545
1496B	Max and Mex math	1100	x17597
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x21030
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x344
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x416
1495D	BFS Trees combinatorics, dfs and similar, graphs, math, shortest paths, trees	2600	x1332
1495C	Garden of the Sun constructive algorithms, graphs	2300	x2645
1495B	Let's Go Hiking games, greedy	1900	x6043
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x17140
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x378
1494E	A-Z Graph constructive algorithms, data structures, graphs, hashing	2400	x1783
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x2589
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x5454
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x14438
1494A	ABC String bitmasks, brute force, implementation	900	x20965
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x452
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x948
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x5056
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4642
1493B	Planet Lapituletti brute force, implementation	1300	x11882
1493A	Anti-knapsack constructive algorithms, greedy	800	x19344
1492E	Almost Fault-Tolerant Database brute force, constructive algorithms, dfs and similar, greedy, implementation	2500	x1195
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x6127
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x16192
1492B	Card Deck data structures, greedy, math	1100	x18515
1492A	Three swimmers math	800	x22704
1491I	Ruler Of The Zoo brute force, data structures	3500	x86
1491H	Yuezheng Ling and Dynamic Tree data structures, trees	3400	x892
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x833
1491F	Magnets binary search, constructive algorithms, interactive	2700	x1013
1491E	Fib-tree brute force, dfs and similar, divide and conquer, number theory, trees	2400	x2175
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x7233
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7987
1491B	Minimal Cost brute force, math	1200	x13844
1491A	K-th Largest Value brute force, greedy, implementation	800	x18268
1490G	Old Floppy Drive binary search, data structures, math	1900	x5685
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x16308
1490E	Accidental Victory binary search, data structures, greedy	1400	x19244
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x19644
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x33644
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x26301
1490A	Dense Array greedy, math	800	x31285
1488J	Flower Shop *special problem, data structures, fft, math	3100	x35
1488I	Demonic Invasion *special problem, flows	3100	x37
1488H	Build From Suffixes *special problem, combinatorics, data structures	2800	x58
1488G	Painting Numbers *special problem, data structures, greedy, number theory	2500	x123
1488F	Dogecoin special problem, special problem, binary search, data structures	2300	x176
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x215
1488D	Problemsolving Marathon *special problem, binary search, greedy	1900	x339
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x424
1488B	RBS Deletion *special problem, greedy	1800	x567
1488A	From Zero To Y *special problem, math	900	x1432
1487G	String Counting combinatorics, dp, fft, math	2700	x601
1487F	Ones dp, greedy, shortest paths	2900	x388
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4586
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x18115
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x14239
1487B	Cat Cycle math, number theory	1200	x21357