Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
00:29:50
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
00:29:50
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

bitmasks

Add tag

Problems

#	Name
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x558
1463F	Max Correct Set bitmasks, dp, math	3100	x550
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x521
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x403
1103D	Professional layer bitmasks, dp	3100	x396
1261F	Xor-Set bitmasks, divide and conquer, math	3100	x370
566E	Restoring Map bitmasks, constructive algorithms, trees	3200	x600
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x585
1326F2	Wise Men (Hard Version) bitmasks, dp, math	3200	x456
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x439
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x386
1214G	Feeling Good bitmasks, data structures	3200	x279
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x270
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1523F	Favorite Game bitmasks, dp	3300	x394
718E	Matvey's Birthday bitmasks, graphs	3300	x332
1556G	Gates to Another World bitmasks, data structures, dsu, two pointers	3300	x306
1804H	Code Lock bitmasks, dp	3300	x168
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x118
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x67
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x92
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x938
1292F	Nora's Toy Boxes bitmasks, combinatorics, dp	3500	x299
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x285
1450G	Communism bitmasks, dp, trees	3500	x231
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x214
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x211
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x144
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x137

→