Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round (Div. 3)
30:38:23
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16266
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16379
1029B	Creating the Contest dp, greedy, math	1200	x16384
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16468
1485B	Replace and Keep Sorted dp, implementation, math	1200	x16649
1713C	Build Permutation constructive algorithms, dp, math	1200	x16799
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16982
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17281
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17898
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x18004
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19165
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20009
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22021
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22786
1355B	Young Explorers dp, greedy, sortings	1200	x24849
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x25046
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26025
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26529
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29092
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36230
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36271
327A	Flipping Game brute force, dp, implementation	1200	x39906
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46404
331C1	The Great Julya Calendar dp	1100	x5919
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8645
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12737
1637B	MEX and Array brute force, dp, greedy, math	1100	x14609
1923B	Monsters Attack! dp, greedy, implementation	1100	x16045
1706B	Making Towers dp, greedy, math	1100	x16199
1946B	Maximum Sum dp, greedy, math	1100	x17595
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17624
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17793
1899C	Yarik and Array dp, greedy, two pointers	1100	x18003
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18023
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18623
1631B	Fun with Even Subarrays dp, greedy	1100	x19265
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19273
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x19692
1948B	Array Fix brute force, dp, greedy, implementation	1100	x20207
651A	Joysticks dp, greedy, implementation, math	1100	x22484
1382B	Sequential Nim dp, games	1100	x23861
1345B	Card Constructions binary search, brute force, dp, math	1100	x25460
1791E	Negatives and Positives dp, greedy, sortings	1100	x25465
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x26816
1472C	Long Jumps dp, graphs	1100	x29745
368B	Sereja and Suffixes data structures, dp	1100	x39443
313B	Ilya and Queries dp, implementation	1100	x41461
363B	Fence brute force, dp	1100	x49050
706B	Interesting drink binary search, dp, implementation	1100	x58199
72G	Fibonacci army *special problem, dp	1000	x1978
753A	Santa Claus and Candies dp, greedy, math	1000	x8765
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x16995
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20017
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20230
1883C	Raspberries dp, math	1000	x22466
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24015
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24085
1469B	Red and Blue dp, greedy	1000	x26002
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x26109
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27043
1182A	Filling Shapes dp, math	1000	x29091
1732B	Ugu brute force, dp, greedy, implementation	900	x13985
1900B	Laura and Operations dp, math	900	x15911
1113A	Sasha and His Trip dp, greedy, math	900	x16969
1501B	Napoleon Cake dp, implementation, sortings	900	x18431
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x18987
1709B	Also Try Minecraft data structures, dp, implementation	900	x21814
1559B	Mocha and Red and Blue dp, greedy	900	x21949
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25109
1206B	Make Product Equal One dp, implementation	900	x25957
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x29329
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31033
1475B	New Year's Number brute force, dp, math	900	x46307
580A	Kefa and First Steps brute force, dp, implementation	900	x83771
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11360
1686B	Odd Subarrays dp, greedy	800	x17889
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19077
1323A	Even Subset Sum Problem brute force, dp, greedy, implementation	800	x19343
1466B	Last minute enhancements dp, greedy	800	x22364
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22731
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23734
1539B	Love Song dp, implementation, strings	800	x23752
1180A	Alex and a Rhombus dp, implementation, math	800	x24160
1932A	Thorns and Coins dp, greedy, implementation	800	x26415
1462B	Last Year's Substring dp, implementation, strings	800	x26512
1519B	The Cake Is a Lie dp, math	800	x29696
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30615
894A	QAQ brute force, dp	800	x32834
1538A	Stone Game brute force, dp, greedy	800	x35692
702A	Maximum Increase dp, greedy, implementation	800	x41350
1472B	Fair Division dp, greedy, math	800	x47383
996A	Hit the Lottery dp, greedy	800	x83995

→