Problemset - Codeforces

→ Pay attention

Contest is running
Codeforces Round 942 (Div. 1)
00:21:42

Contest is running
Codeforces Round 942 (Div. 2)
00:21:42

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
996A	Hit the Lottery dp, greedy	800	x83975
580A	Kefa and First Steps brute force, dp, implementation	900	x83759
189A	Cut Ribbon brute force, dp	1300	x62314
706B	Interesting drink binary search, dp, implementation	1100	x58183
455A	Boredom dp	1500	x54058
363B	Fence brute force, dp	1100	x49043
1472B	Fair Division dp, greedy, math	800	x47377
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46400
1475B	New Year's Number brute force, dp, math	900	x46297
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44327
313B	Ilya and Queries dp, implementation	1100	x41458
702A	Maximum Increase dp, greedy, implementation	800	x41345
327A	Flipping Game brute force, dp, implementation	1200	x39904
368B	Sereja and Suffixes data structures, dp	1100	x39436
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36268
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36225
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36205
1538A	Stone Game brute force, dp, greedy	800	x35690
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34517
894A	QAQ brute force, dp	800	x32832
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31032
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30611
1472C	Long Jumps dp, graphs	1100	x29742
1519B	The Cake Is a Lie dp, math	800	x29695
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x29315
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29091
1182A	Filling Shapes dp, math	1000	x29082
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28974
1526B	I Hate 1111 dp, math, number theory	1400	x28594
698A	Vacations dp	1400	x28387
550C	Divisibility by Eight brute force, dp, math	1500	x27207
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27043
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x26813
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26523
1462B	Last Year's Substring dp, implementation, strings	800	x26511
1932A	Thorns and Coins dp, greedy, implementation	800	x26402
545C	Woodcutters dp, greedy	1500	x26177
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x26092
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x26023
1469B	Red and Blue dp, greedy	1000	x26001
1206B	Make Product Equal One dp, implementation	900	x25955
1345B	Card Constructions binary search, brute force, dp, math	1100	x25459
1791E	Negatives and Positives dp, greedy, sortings	1100	x25455
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25106
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x25040
1355B	Young Explorers dp, greedy, sortings	1200	x24848
431C	k-Tree dp, implementation, trees	1600	x24483
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x24374
1180A	Alex and a Rhombus dp, implementation, math	800	x24153
1398C	Good Subarrays data structures, dp, math	1600	x24085
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24081
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24015
1382B	Sequential Nim dp, games	1100	x23859
474D	Flowers dp	1700	x23848
1195C	Basketball Exercise dp	1400	x23808
1539B	Love Song dp, implementation, strings	800	x23752
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23731
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22775
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22729
651A	Joysticks dp, greedy, implementation, math	1100	x22483
1883C	Raspberries dp, math	1000	x22458
1466B	Last minute enhancements dp, greedy	800	x22360
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22018
1559B	Mocha and Red and Blue dp, greedy	900	x21946
1709B	Also Try Minecraft data structures, dp, implementation	900	x21812
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21199
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21138
1285B	Just Eat It! dp, greedy, implementation	1300	x20931
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20824
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x20776
1350B	Orac and Models dp, math, number theory	1400	x20536
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20230
1948B	Array Fix brute force, dp, greedy, implementation	1100	x20194
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20017
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20008
166E	Tetrahedron dp, math, matrices	1500	x19909
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x19861
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x19659
1323A	Even Subset Sum Problem brute force, dp, greedy, implementation	800	x19341
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19269
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19269
1631B	Fun with Even Subarrays dp, greedy	1100	x19263
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19161
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19076
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x18987
1660C	Get an Even String dp, greedy, strings	1300	x18716
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18622
1501B	Napoleon Cake dp, implementation, sortings	900	x18431
1389C	Good String brute force, dp, greedy, two pointers	1500	x18332
1538F	Interesting Function binary search, dp, math, number theory	1500	x18300
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18296
1037C	Equalize dp, greedy, strings	1300	x18288
1618D	Array and Operations dp, greedy, math	1300	x18248
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x18113
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18101
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18085
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18062
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18028
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18023
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x18000

←