Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
39:54:24
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

bitmasks

Add tag

Problems

#	Name
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x22650
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x473
528D	Fuzzy Search bitmasks, brute force, fft	2500	x2246
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x3321
513C	Second price auction bitmasks, probabilities	2000	x1563
513B2	Permutations bitmasks, divide and conquer, math	1800	x2639
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5647
504D	Misha and XOR bitmasks	2700	x309
484A	Bits bitmasks, constructive algorithms	1700	x11479
482C	Game with Strings bitmasks, dp, probabilities	2600	x935
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x31119
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x406
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x37934
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4748
451E	Devu and Flowers bitmasks, combinatorics, number theory	2300	x3669
449D	Jzzhu and Numbers bitmasks, combinatorics, dp	2400	x4537
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2154
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x710
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9560
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2323
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x953
425B	Sereja and Table bitmasks, greedy	2200	x1314
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2531
413D	2048 bitmasks, dp	2000	x822
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4197
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x972
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2482
385D	Bear and Floodlight bitmasks, dp, geometry	2200	x811
379D	New Year Letter bitmasks, brute force, dp	2000	x1565
377C	Captains Mode bitmasks, dp, games	2200	x1150
375C	Circling Round Treasures bitmasks, shortest paths	2600	x567
367D	Sereja and Sets bitmasks, dfs and similar	2400	x659
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x972
354B	Game with Strings bitmasks, dp, games	2400	x460
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x500
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x116
333E	Summer Earnings binary search, bitmasks, brute force, geometry, sortings	2500	x1137
333D	Characteristics of Rectangles binary search, bitmasks, brute force, implementation, sortings	2100	x2122
327E	Axis Walking bitmasks, combinatorics, constructive algorithms, dp, meet-in-the-middle	2300	x1411
309C	Memory for Arrays binary search, bitmasks, greedy	1900	x1366
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1682
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1555
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3640
279D	The Minimum Number of Variables bitmasks, dp	2200	x762
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13953
251D	Two Sets bitmasks, math	2700	x479
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4513
243A	The Brand New Function bitmasks	1600	x3952
242E	XOR on Segment bitmasks, data structures	2000	x9401
241B	Friends binary search, bitmasks, data structures, math	2700	x817
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x697
232B	Table bitmasks, combinatorics, dp, math	1900	x1479
225D	Snake bitmasks, dfs and similar, graphs, implementation	2200	x949
224B	Array bitmasks, implementation, two pointers	1500	x7357
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x251
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x335
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x17005
201D	Brand New Problem bitmasks, brute force, dp	2600	x419
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6988
152E	Garden bitmasks, dp, graphs, trees	2500	x487
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3717
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1392
107C	Arrangement bitmasks, dp	2400	x388
97D	Robot in Basement bitmasks, brute force, implementation	2700	x248
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x15680
83E	Two Subsequences bitmasks, dp	2800	x480
79D	Password bitmasks, dp, shortest paths	2800	x1187
76C	Mutation bitmasks, dp, math	2700	x314
71E	Nuclear Fusion bitmasks, dp	2200	x741
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x766
53E	Dead Ends bitmasks, dp	2500	x1006
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5384
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x908
16E	Fish bitmasks, dp, probabilities	1900	x5202
11D	A Simple Task bitmasks, dp, graphs	2200	x4965
8C	Looking for Order bitmasks, dp	2000	x3608

→