Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1010 (Div. 1)
23:03:29
Register now »

*has extra registration

Before contest
Codeforces Round 1010 (Div. 2)
23:03:29
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x8741
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1529
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4434
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12582
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x15178
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x11312
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9502
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x44957
741E	Arpa’s abnormal DNA and Mehrdad’s deep interest data structures, string suffix structures	3400	x186
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x2923
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x2749
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5372
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5473
740B	Alyona and flowers constructive algorithms	1200	x8419
740A	Alyona and copybooks brute force, implementation	1300	x8947
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2273
739D	Recover a functional graph graph matchings	3400	x203
739C	Alyona and towers data structures	2500	x1571
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4745
739A	Alyona and mex constructive algorithms, greedy	1700	x8051
737F	Dirty plates constructive algorithms, math	3300	x71
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x128
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x189
736D	Permutations math, matrices	2800	x482
735E	Ostap and Tree dp, trees	2500	x899
735D	Taxes math, number theory	1600	x14142
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7622
735B	Urbanization greedy, number theory, sortings	1100	x8462
735A	Ostap and Grasshopper implementation, strings	800	x12644
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1330
734E	Anton and Tree dfs and similar, dp, trees	2100	x4435
734D	Anton and Chess implementation	1700	x3770
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5433
734B	Anton and Digits brute force, greedy, implementation, math	800	x29961
734A	Anton and Danik implementation, strings	800	x164924
733F	Drivers Dissatisfaction data structures, dsu, graphs, trees	2200	x1157
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x978
733D	Kostya the Sculptor data structures, hashing	1600	x4215
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3423
733B	Parade math	1100	x10722
733A	Grasshopper And the String implementation	1000	x16311
732F	Tourist Reform dfs and similar, graphs	2300	x2748
732E	Sockets greedy, sortings	2100	x1621
732D	Exams binary search, greedy, sortings	1700	x5637
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9835
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24959
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x76785
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2919
731E	Funny Game dp, games	2200	x1755
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1195
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x7142
731B	Coupons and Discounts constructive algorithms, greedy	1100	x8089
731A	Night at the Museum implementation, strings	800	x48057
730L	Expression Queries data structures	3200	x86
730K	Roads Orientation Problem graphs	3200	x118
730J	Bottles dp	1900	x3577
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x2189
730H	Delete Them constructive algorithms, implementation	1300	x3084
730G	Car Repair Shop implementation	1600	x2202
730F	Ber Patio	3100	x92
730E	Award Ceremony greedy, implementation	2200	x727
730D	Running Over The Bridges greedy, implementation, math	2200	x886
730C	Bulmart binary search, dfs and similar	2100	x1288
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2568
730A	Toda 2 greedy, implementation	1800	x1638
729F	Financiers Game dp	2500	x1016
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2256
729D	Sea Battle constructive algorithms, greedy, math	1700	x3846
729C	Road to Cinema binary search, greedy, sortings	1700	x3993
729B	Spotlights dp, implementation	1200	x8109
729A	Interview with Oleg implementation, strings	900	x7618
727F	Polycarp's problems binary search, dp, greedy	2300	x839
727E	Games on a CD data structures, hashing, string suffix structures, strings	2300	x1318
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1920
727C	Guess the Array constructive algorithms, interactive, math	1400	x7770
727B	Bill Total Value expression parsing, implementation, strings	1600	x2037
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x14686
725G	Messages on a Tree	3300	x166
725F	Family Photos games, greedy	2900	x549
725E	Too Much Money brute force, greedy	2600	x677
725D	Contest Balloons data structures, greedy	1800	x2836
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2712
725B	Food on the Plane implementation, math	1200	x5178
725A	Jumping Ball implementation	1000	x7203
724G	Xor-matic Number of the Graph bitmasks, graphs, math, number theory, trees	2600	x1115
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x474
724E	Goods transportation dp, flows, greedy	2900	x1401
724D	Dense Subsequence data structures, greedy, strings	1900	x2357
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2160
724B	Batch Sort brute force, greedy, implementation, math	1500	x4031
724A	Checking the Calendar implementation	1000	x7156
723F	st-Spanning Tree dsu, graphs, greedy, implementation	2300	x1529
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x2042
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x7101
723C	Polycarp at the Radio greedy	1600	x4847
723B	Text Document Analysis expression parsing, implementation, strings	1100	x10289
723A	The New Year: Meeting Friends implementation, math, sortings	800	x84571
722F	Cyclic Cipher chinese remainder theorem, data structures, implementation, number theory, two pointers	2800	x551
722E	Research Rover combinatorics, dp	2900	x926
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3213