Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
2 days
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
996A	Hit the Lottery dp, greedy	800	x83818
580A	Kefa and First Steps brute force, dp, implementation	900	x83648
189A	Cut Ribbon brute force, dp	1300	x62225
706B	Interesting drink binary search, dp, implementation	1100	x58020
455A	Boredom dp	1500	x53993
363B	Fence brute force, dp	1100	x48961
1472B	Fair Division dp, greedy, math	800	x47285
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46304
1475B	New Year's Number brute force, dp, math	900	x46231
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44289
313B	Ilya and Queries dp, implementation	1100	x41408
702A	Maximum Increase dp, greedy, implementation	800	x41278
327A	Flipping Game brute force, dp, implementation	1200	x39858
368B	Sereja and Suffixes data structures, dp	1100	x39379
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36233
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36153
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36150
1538A	Stone Game brute force, dp, greedy	800	x35656
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34471
894A	QAQ brute force, dp	800	x32784
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31003
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30558
1472C	Long Jumps dp, graphs	1100	x29697
1519B	The Cake Is a Lie dp, math	800	x29674
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x29161
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29045
1182A	Filling Shapes dp, math	1000	x29036
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28936
1526B	I Hate 1111 dp, math, number theory	1400	x28527
698A	Vacations dp	1400	x28359
550C	Divisibility by Eight brute force, dp, math	1500	x27178
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27034
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x26694
1462B	Last Year's Substring dp, implementation, strings	800	x26490
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26476
1932A	Thorns and Coins dp, greedy, implementation	800	x26266
545C	Woodcutters dp, greedy	1500	x26152
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x25983
1469B	Red and Blue dp, greedy	1000	x25971
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x25934
1206B	Make Product Equal One dp, implementation	900	x25932
1345B	Card Constructions binary search, brute force, dp, math	1100	x25448
1791E	Negatives and Positives dp, greedy, sortings	1100	x25381
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25051
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x25002
1355B	Young Explorers dp, greedy, sortings	1200	x24826
431C	k-Tree dp, implementation, trees	1600	x24451
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x24352
1180A	Alex and a Rhombus dp, implementation, math	800	x24086
1398C	Good Subarrays data structures, dp, math	1600	x24045
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24039
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24006
1382B	Sequential Nim dp, games	1100	x23848
474D	Flowers dp	1700	x23805
1195C	Basketball Exercise dp	1400	x23756
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23725
1539B	Love Song dp, implementation, strings	800	x23723
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22703
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22662
651A	Joysticks dp, greedy, implementation, math	1100	x22462
1883C	Raspberries dp, math	1000	x22376
1466B	Last minute enhancements dp, greedy	800	x22349
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22003
1559B	Mocha and Red and Blue dp, greedy	900	x21930
1709B	Also Try Minecraft data structures, dp, implementation	900	x21791
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21169
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21106
1285B	Just Eat It! dp, greedy, implementation	1300	x20896
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20799
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x20715
1350B	Orac and Models dp, math, number theory	1400	x20505
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20220
1948B	Array Fix brute force, dp, greedy, implementation	1100	x20020
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x19989
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x19981
166E	Tetrahedron dp, math, matrices	1500	x19877
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x19848
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x19356
1323A	Even Subset Sum Problem brute force, dp, greedy, implementation	800	x19308
1631B	Fun with Even Subarrays dp, greedy	1100	x19248
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19244
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19197
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19107
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19056
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x18970
1660C	Get an Even String dp, greedy, strings	1300	x18692
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18603
1501B	Napoleon Cake dp, implementation, sortings	900	x18422
1389C	Good String brute force, dp, greedy, two pointers	1500	x18311
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18278
1037C	Equalize dp, greedy, strings	1300	x18277
1538F	Interesting Function binary search, dp, math, number theory	1500	x18276
1618D	Array and Operations dp, greedy, math	1300	x18226
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x18066
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18039
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18032
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18018
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x17999
676C	Vasya and String binary search, dp, strings, two pointers	1500	x17993
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x17922

←