Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
4 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1829A	Love Story implementation, strings	800	x46230
1360B	Honest Coach greedy, sortings	800	x46244
1343A	Candies brute force, math	900	x46425
707A	Brain's Photos implementation	800	x46524
1535A	Fair Playoff brute force, implementation	800	x46608
1475B	New Year's Number brute force, dp, math	900	x46628
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46751
749A	Bachgold Problem greedy, implementation, math, number theory	800	x46762
1283A	Minutes Before the New Year math	800	x46811
492A	Vanya and Cubes implementation	800	x46982
1722A	Spell Check implementation	800	x47228
1353B	Two Arrays And Swaps greedy, sortings	800	x47684
1472B	Fair Division dp, greedy, math	800	x47712
279B	Books binary search, brute force, implementation, two pointers	1400	x48136
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x48147
1360A	Minimal Square greedy, math	800	x48198
1551A	Polycarp and Coins greedy, math	800	x48610
1619A	Square String? implementation, strings	800	x48702
34B	Sale greedy, sortings	900	x48976
1370A	Maximum GCD greedy, implementation, math, number theory	800	x49077
1873A	Short Sort brute force, implementation	800	x49160
363B	Fence brute force, dp	1100	x49414
1433A	Boring Apartments implementation, math	800	x49499
1520A	Do Not Be Distracted! brute force, implementation	800	x49855
80A	Panoramix's Prediction brute force	800	x49861
1624A	Plus One on the Subset math	800	x49934
1915A	Odd One Out bitmasks, implementation	800	x50244
1352C	K-th Not Divisible by n binary search, math	1200	x50340
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50425
1367B	Even Array greedy, math	800	x50534
1374A	Required Remainder math	800	x50815
1850A	To My Critics implementation, sortings	800	x51556
431A	Black Square implementation	800	x51745
43A	Football strings	1000	x52405
9A	Die Roll math, probabilities	800	x52854
703A	Mishka and Game implementation	800	x53781
313A	Ilya and Bank Account implementation, number theory	900	x53787
1343B	Balanced Array constructive algorithms, math	800	x53871
1760A	Medium Number implementation, sortings	800	x54252
455A	Boredom dp	1500	x54567
1367A	Short Substrings implementation, strings	800	x55019
1791A	Codeforces Checking implementation, strings	800	x55442
1475A	Odd Divisor math, number theory	900	x55648
490A	Team Olympiad greedy, implementation, sortings	800	x55788
1560A	Dislike of Threes implementation	800	x56158
1807A	Plus or Minus implementation	800	x56303
579A	Raising Bacteria bitmasks	1000	x56635
432A	Choosing Teams greedy, implementation, sortings	800	x56862
472A	Design Tutorial: Learn from Math math, number theory	800	x57203
758A	Holiday Of Equality implementation, math	800	x57585
1669A	Division? implementation	800	x57603
1676A	Lucky? implementation	800	x58449
706B	Interesting drink binary search, dp, implementation	1100	x58690
32B	Borze expression parsing, implementation	800	x59140
466A	Cheap Travel implementation	1200	x59839
1512A	Spy Detected! brute force, implementation	800	x60222
1692A	Marathon implementation	800	x60350
381A	Sereja and Dima greedy, implementation, two pointers	800	x60751
630A	Again Twenty Five! number theory	800	x62389
1409A	Yet Another Two Integers Problem greedy, math	800	x62760
451A	Game With Sticks implementation	900	x62917
189A	Cut Ribbon brute force, dp	1300	x62988
1399A	Remove Smallest greedy, sortings	800	x63022
1703A	YES or YES? brute force, implementation, strings	800	x63305
1742A	Sum implementation	800	x65256
151A	Soft Drinking implementation, math	800	x66268
339B	Xenia and Ringroad implementation	1000	x66642
1154A	Restoring Three Numbers math	800	x66686
581A	Vasya the Hipster implementation, math	800	x67423
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x67695
230B	T-primes binary search, implementation, math, number theory	1300	x70325
155A	I_love_\%username\% brute force	800	x70912
723A	The New Year: Meeting Friends implementation, math, sortings	800	x71260
750A	New Year and Hurry binary search, brute force, implementation, math	800	x71263
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x71482
1352A	Sum of Round Numbers implementation, math	800	x72540
427A	Police Recruits implementation	800	x72868
230A	Dragons greedy, sortings	1000	x74674
337A	Puzzles greedy	900	x75844
510A	Fox And Snake implementation	800	x77517
4C	Registration System data structures, hashing, implementation	1300	x77566
141A	Amusing Joke implementation, sortings, strings	800	x78235
1335A	Candies and Two Sisters math	800	x79076
268A	Games brute force	800	x81340
131A	cAPS lOCK implementation, strings	1000	x81545
25A	IQ test brute force	1300	x81557
785A	Anton and Polyhedrons implementation, strings	800	x82705
158B	Taxi *special problem, greedy, implementation	1100	x82723
208A	Dubstep strings	900	x83971
580A	Kefa and First Steps brute force, dp, implementation	900	x84301
443A	Anton and Letters constructive algorithms, implementation	800	x84369
996A	Hit the Lottery dp, greedy	800	x84758
148A	Insomnia cure constructive algorithms, implementation, math	800	x87524
479A	Expression brute force, math	1000	x89196
144A	Arrival of the General implementation	800	x89471
520A	Pangram implementation, strings	800	x90336
469A	I Wanna Be the Guy greedy, implementation	800	x91819
1328A	Divisibility Problem math	800	x93968
405A	Gravity Flip greedy, implementation, sortings	900	x94915
705A	Hulk implementation	800	x99907