Problemset - Codeforces

Problems

#	Name
271A	Beautiful Year brute force	800	x128260
270B	Multithreading data structures, greedy, implementation	1400	x4084
270A	Fancy Fence geometry, implementation, math	1100	x43555
269E	String Theory geometry, math, strings	3100	x107
269D	Maximum Waterfall data structures, dp, graphs, sortings	2600	x417
269C	Flawed Flow constructive algorithms, flows, graphs, greedy	2100	x1621
269B	Greenhouse Effect dp	1700	x6128
269A	Magical Boxes greedy, math	1600	x3478
268E	Playlist math, probabilities, sortings	2100	x976
268D	Wall Bars dp	2300	x499
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13265
268B	Buttons implementation, math	1000	x30944
268A	Games brute force	800	x81255
267C	Berland Traffic math, matrices	2700	x159
267B	Dominoes dfs and similar, graphs	2000	x614
267A	Subtractions math, number theory	900	x7155
266E	More Queries to Array... data structures, math	2500	x720
266D	BerDonalds graphs, math, shortest paths	2400	x712
266C	Below the Diagonal constructive algorithms, greedy, math	2100	x1335
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x127310
266A	Stones on the Table implementation	800	x178829
265B	Roadside Trees (Simplified Edition) greedy, implementation	1000	x16910
265A	Colorful Stones (Simplified Edition) implementation	800	x34561
264E	Roadside Trees data structures, dp	3000	x396
264D	Colorful Stones dp, two pointers	2500	x407
264C	Choosing Balls dp	2000	x2683
264B	Good Sequences dp, number theory	1500	x9638
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10613
263E	Rhombus brute force, data structures, dp	2500	x394
263D	Cycle in Graph dfs and similar, graphs	1800	x3252
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1053
263B	Squares greedy, implementation, sortings	900	x8722
263A	Beautiful Matrix implementation	800	x225860
262B	Roma and Changing Signs greedy	1200	x10937
262A	Roma and Lucky Numbers implementation	800	x19261
261E	Maxim and Calculator brute force, dp, two pointers	2800	x405
261D	Maxim and Increasing Subsequence dp	2600	x553
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x760
261B	Maxim and Restaurant dp, math, probabilities	1900	x1363
261A	Maxim and Discounts greedy, sortings	1400	x5101
260E	Dividing Kingdom binary search, brute force, data structures	2500	x410
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1315
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2928
260B	Ancient Prophesy brute force, implementation, strings	1600	x3743
260A	Adding Digits implementation, math	1400	x14136
259B	Little Elephant and Magic Square brute force, implementation	1100	x13696
259A	Little Elephant and Chess brute force, strings	1000	x8942
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1032
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1214
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1759
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1421
258A	Little Elephant and Bits greedy, math	1100	x22106
257E	Greedy Elevator data structures, implementation	2200	x275
257D	Sum greedy, math	1900	x1544
257C	View Angle brute force, geometry, math	1800	x4195
257B	Playing Cubes games, greedy, implementation	1300	x6872
257A	Sockets greedy, implementation, sortings	1100	x6386
256E	Lucky Arrays data structures	2400	x653
256D	Liars and Serge dp	2700	x255
255E	Furlo and Rublo and Game games, implementation, math	2200	x831
255D	Mr. Bender and Square binary search, implementation, math	1800	x1930
255C	Almost Arithmetical Progression brute force, dp	1500	x4625
255B	Code Parsing implementation	1200	x4875
255A	Greg's Workout implementation	800	x27747
254E	Dormitory dp, implementation	2100	x484
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x497
254C	Anagram greedy, strings	1800	x1470
254B	Jury Size brute force, implementation	1500	x2134
254A	Cards with Numbers constructive algorithms, sortings	1200	x6851
253E	Printer binary search, data structures, implementation, sortings	2200	x522
253D	Table with Letters - 2 brute force, two pointers	2000	x808
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2525
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10333
253A	Boys and Girls greedy	1100	x10948
252B	Unsorting Array brute force, sortings	1800	x1683
252A	Little Xor brute force, implementation	1100	x5170
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x168
251D	Two Sets bitmasks, math	2700	x442
251C	Number Transformation dp, greedy, number theory	2000	x1012
251B	Playing with Permutations implementation, math	1800	x1250
251A	Points on Line binary search, combinatorics, two pointers	1300	x16790
250E	Mad Joe brute force	2000	x438
250D	Building Bridge geometry, ternary search, two pointers	1900	x874
250C	Movie Critics greedy	1600	x1878
250B	Restoring IPv6 implementation, strings	1500	x1952
250A	Paper Work greedy	1000	x3994
249E	Endless Matrix math	2600	x288
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x389
248E	Piglet's Birthday dp, math, probabilities	2600	x565
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x479
248C	Robo-Footballer binary search, geometry	2000	x794
248B	Chilly Willy math, number theory	1400	x5196
248A	Cupboards implementation	800	x21447
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x2979
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9214
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2604
246B	Increase and Decrease greedy, math	1300	x10967
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9061
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x5996
245G	Suggested Friends brute force, graphs	2200	x423

→ Pay attention

Before contest
Codeforces Round 946 (Div. 3)
45:21:57
Register now »

→ Filter Problems

Difficulty: —

Add tag