Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
4 days

Before contest
Codeforces Round 941 (Div. 2)
4 days

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x327
718E	Matvey's Birthday bitmasks, graphs	3300	x332
713E	Sonya Partymaker binary search, dp	3300	x340
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x348
1558F	Strange Sort data structures, sortings	3300	x349
768G	The Winds of Winter binary search, data structures	3300	x353
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x360
1610G	AmShZ Wins a Bet data structures, greedy, hashing	3300	x366
639F	Bear and Chemistry data structures, dfs and similar, graphs, trees	3300	x393
1523F	Favorite Game bitmasks, dp	3300	x394
1375H	Set Merging constructive algorithms, divide and conquer	3300	x394
671E	Organizing a Race data structures, greedy	3300	x394
1172F	Nauuo and Bug data structures	3300	x396
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x411
906E	Reverses dp, string suffix structures, strings	3300	x426
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x428
1340F	Nastya and CBS brute force, data structures, hashing	3300	x468
878E	Numbers on the blackboard combinatorics, dp	3300	x471
1290E	Cartesian Tree data structures	3300	x507
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x511
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x526
986F	Oppa Funcan Style Remastered graphs, math, number theory, shortest paths	3300	x564
1307F	Cow and Vacation dfs and similar, dsu, trees	3300	x565
1270H	Number of Components data structures	3300	x567
582D	Number of Binominal Coefficients dp, math, number theory	3300	x603
526G	Spiders Evil Plan greedy, trees	3300	x688
1063F	String Journey data structures, dp, string suffix structures	3300	x796
576E	Painting Edges binary search, data structures	3300	x1096
700E	Cool Slogans string suffix structures, strings	3300	x1120
92114	Labyrinth-14	3200
92113	Labyrinth-13	3200
92112	Labyrinth-12	3200
92111	Labyrinth-11	3200
92110	Labyrinth-10	3200
92109	Labyrinth-9	3200
92108	Labyrinth-8	3200
92107	Labyrinth-7	3200
92106	Labyrinth-6	3200
92105	Labyrinth-5	3200
92104	Labyrinth-4	3200
92103	Labyrinth-3	3200
92102	Labyrinth-2	3200
92101	Labyrinth-1	3200
1599D	Bubble Popping	3200	x28
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x36
1184C3	Heidi and the Turing Test (Hard)	3200	x40
1403C	Chess Rush *special problem, combinatorics, dp, implementation, math	3200	x42
1578D	Dragon Curve	3200	x43
690F3	Tree of Life (hard) trees	3200	x45
863G	Graphic Settings	3200	x53
1571I	Physical Examination *special problem, binary search, data structures	3200	x54
993F	The Moral Dilemma	3200	x59
1776K	Uniform Chemistry dp, math	3200	x64
1599E	Two Arrays data structures, matrices	3200	x66
923F	Public Service constructive algorithms, graphs, trees	3200	x72
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x79
730L	Expression Queries data structures	3200	x81
730K	Roads Orientation Problem graphs	3200	x92
1510H	Hard Optimization dp	3200	x95
1267H	Help BerLine constructive algorithms	3200	x101
457F	An easy problem about trees dp, games, greedy, trees	3200	x103
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x109
645G	Armistice Area Apportionment binary search, geometry	3200	x111
1781H1	Window Signals (easy version)	3200	x112
744D	Hongcow Draws a Circle geometry	3200	x116
1045E	Ancient civilizations constructive algorithms, geometry	3200	x118
1089J	JS Minification greedy, implementation	3200	x120
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x122
1242E	Planar Perimeter constructive algorithms, graphs	3200	x127
744E	Hongcow Masters the Cyclic Shift strings, two pointers	3200	x132
1056H	Detect Robots data structures, strings	3200	x143
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
756E	Byteland coins combinatorics, dp, math	3200	x150
500G	New Year Running number theory, trees	3200	x155
924F	Minimal Subset Difference dp	3200	x157
1408I	Bitwise Magic dp, math	3200	x164
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x167
1179E	Alesya and Discrete Math divide and conquer, interactive	3200	x168
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x170
482E	ELCA data structures, trees	3200	x175
1666K	Kingdom Partition flows	3200	x178
933E	A Preponderant Reunion constructive algorithms, dp	3200	x185
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x187
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x187
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x188
414E	Mashmokh's Designed Problem data structures	3200	x191
913G	Power Substring math, number theory	3200	x192
1584G	Eligible Segments geometry	3200	x201
1781G	Diverse Coloring constructive algorithms, trees	3200	x213
1089B	Bimatching graphs	3200	x214
1830F	The Third Grace data structures, dp	3200	x219
1223G	Wooden Raft binary search, math, number theory	3200	x226
1819E	Roads in E City interactive, math, probabilities, trees	3200	x241
571E	Geometric Progressions math	3200	x249
1832F	Zombies binary search, dp	3200	x250
1344F	Piet's Palette matrices	3200	x252
1007D	Ants 2-sat, data structures, trees	3200	x255
1540D	Inverse Inversions binary search, brute force, data structures	3200	x260
1482G	Vabank binary search, interactive	3200	x261
1864H	Asterism Stream dp, math, matrices	3200	x266