Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 987 (Div. 2)
06:57:35
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1129
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1287
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1794
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1453
258A	Little Elephant and Bits greedy, math	1100	x23084
257E	Greedy Elevator data structures, implementation	2200	x285
257D	Sum greedy, math	1900	x1610
257C	View Angle brute force, geometry, math	1800	x4385
257B	Playing Cubes games, greedy, implementation	1300	x7117
257A	Sockets greedy, implementation, sortings	1100	x6495
256E	Lucky Arrays data structures	2400	x668
256D	Liars and Serge dp	2700	x256
255E	Furlo and Rublo and Game games, implementation, math	2200	x871
255D	Mr. Bender and Square binary search, implementation, math	1800	x2008
255C	Almost Arithmetical Progression brute force, dp	1500	x4730
255B	Code Parsing implementation	1200	x4986
255A	Greg's Workout implementation	800	x28805
254E	Dormitory dp, implementation	2100	x676
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x550
254C	Anagram greedy, strings	1800	x1500
254B	Jury Size brute force, implementation	1500	x2159
254A	Cards with Numbers constructive algorithms, sortings	1200	x7096
253E	Printer binary search, data structures, implementation, sortings	2200	x530
253D	Table with Letters - 2 brute force, two pointers	2000	x847
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2613
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10802
253A	Boys and Girls greedy	1100	x11287
252B	Unsorting Array brute force, sortings	1800	x1720
252A	Little Xor brute force, implementation	1100	x5321
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x171
251D	Two Sets bitmasks, math	2700	x476
251C	Number Transformation dp, greedy, number theory	2000	x1034
251B	Playing with Permutations implementation, math	1800	x1276
251A	Points on Line binary search, combinatorics, two pointers	1300	x17852
250E	Mad Joe brute force	2000	x467
250D	Building Bridge geometry, ternary search, two pointers	1900	x894
250C	Movie Critics greedy	1600	x1947
250B	Restoring IPv6 implementation, strings	1500	x1993
250A	Paper Work greedy	1000	x4138
249E	Endless Matrix math	2600	x320
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x462
248E	Piglet's Birthday dp, math, probabilities	2600	x582
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x499
248C	Robo-Footballer binary search, geometry	2000	x855
248B	Chilly Willy math, number theory	1400	x5341
248A	Cupboards implementation	800	x22524
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x3358
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9477
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2634
246B	Increase and Decrease greedy, math	1300	x11354
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9289
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6823
245G	Suggested Friends brute force, graphs	2200	x438
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x878
245E	Mishap in Club greedy, implementation	1400	x3295
245D	Restoring Table constructive algorithms, greedy	1500	x2320
245C	Game with Coins greedy	1700	x1551
245B	Internet Address implementation, strings	1100	x5232
245A	System Administrator implementation	800	x8481
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4508
244A	Dividing Orange implementation	900	x7962
243E	Matrix data structures	3000	x191
243D	Cubes data structures, dp, geometry, two pointers	2700	x214
243C	Colorado Potato Beetle dfs and similar, implementation	2200	x530
243B	Hydra graphs, sortings	2000	x1236
243A	The Brand New Function bitmasks	1600	x3950
242E	XOR on Segment bitmasks, data structures	2000	x9361
242D	Dispute dfs and similar, graphs, greedy	2100	x1881
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8749
242B	Big Segment implementation, sortings	1100	x15832
242A	Heads or Tails brute force, implementation	1100	x6390
241G	Challenging Balloons constructive algorithms	1900	x548
241F	Race brute force, implementation	2300	x263
241E	Flights graphs, shortest paths	2600	x1111
241D	Numbers	2900	x379
241C	Mirror Box geometry, implementation	2000	x512
241B	Friends binary search, bitmasks, data structures, math	2700	x814
241A	Old Peykan greedy	1300	x2241
240F	TorCoder data structures	2600	x1963
240E	Road Repairs dfs and similar, graphs, greedy	2800	x356
239B	Easy Tape Programming brute force, implementation	1500	x1373
239A	Two Bags of Potatoes greedy, implementation, math	1200	x19008
238E	Meeting Her dp, graphs, shortest paths	2600	x394
238D	Tape Programming data structures, implementation	2900	x249
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1246
238B	Boring Partition constructive algorithms	1800	x1333
238A	Not Wool Sequences constructive algorithms, math	1300	x2044
237E	Build String flows, graphs	2000	x1730
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x567
237C	Primes on Interval binary search, number theory, two pointers	1600	x5820
237B	Young Table implementation, sortings	1500	x2238
237A	Free Cash implementation	1000	x26933
236B	Easy Number Challenge implementation, number theory	1300	x14406
236A	Boy or Girl brute force, implementation, strings	800	x213999
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x779
235D	Graph Game graphs	3000	x506
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2143
235B	Let's Play Osu! dp, math, probabilities	2000	x3577
235A	LCM Challenge number theory	1600	x17914
234H	Merging Two Decks constructive algorithms, greedy	2000	x567