Problemset - Codeforces

Please subscribe to the official Codeforces channel in Telegram via the link https://t.me/codeforces_official. ×

→ Pay attention

Before contest
Codeforces Round (Div. 2)
27:03:58
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x552
51E	Pentagon combinatorics, graphs, matrices	2400	x373
51D	Geometrical problem implementation	2200	x458
51C	Three Base Stations binary search, greedy	1800	x1870
51B	bHTML Tables Analisys expression parsing	1700	x854
51A	Cheaterius's Problem implementation	1300	x1797
50E	Square Equation Roots math	2300	x348
50D	Bombing binary search, dp, probabilities	2100	x609
50C	Happy Farm 5 geometry	2000	x741
50B	Choosing Symbol Pairs strings	1500	x5601
50A	Domino piling greedy, math	800	x235949
49E	Common ancestor dp	2300	x652
49D	Game brute force, dp, implementation	1800	x1866
49C	Disposition constructive algorithms, math	1700	x1664
49B	Sum math	1500	x2425
49A	Sleuth implementation	800	x13109
48H	Black and White constructive algorithms	2800	x137
48G	Galaxy Union dp, trees, two pointers	2700	x256
48F	Snow sellers greedy, sortings	2800	x144
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x569
48D	Permutations greedy	1500	x2444
48C	The Race math	1800	x765
48B	Land Lot brute force, implementation	1200	x2636
48A	Rock-paper-scissors implementation, schedules	900	x5823
47E	Cannon data structures, geometry, sortings	2200	x358
47D	Safe brute force	2200	x759
47C	Crossword implementation	2000	x767
47B	Coins implementation	1200	x13477
47A	Triangular numbers brute force, math	800	x14700
46G	Emperor's Problem geometry	2500	x110
46F	Hercule Poirot Problem dsu, graphs	2300	x318
46E	Comb data structures, dp	1900	x934
46D	Parking Lot data structures, implementation	1800	x966
46C	Hamsters and Tigers two pointers	1600	x2341
46B	T-shirts from Sponsor implementation	1100	x3606
46A	Ball Game brute force, implementation	800	x8567
45J	Planting Trees constructive algorithms	1800	x924
45I	TCMCF+++ greedy	1400	x2340
45H	Road Problem graphs	2100	x178
45G	Prime Problem number theory	2200	x1006
45F	Goats and Wolves greedy	2500	x127
45E	Director constructive algorithms, greedy	2000	x533
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1644
45C	Dancing Lessons data structures	1900	x866
45B	School dp, dsu	2200	x271
45A	Codecraft III implementation	900	x6548
44J	Triminoes constructive algorithms, greedy	2000	x559
44I	Toys brute force, combinatorics	2300	x185
44H	Phone Number dp	1700	x1706
44G	Shooting Gallery data structures, implementation	2500	x394
44F	BerPaint geometry, graphs	2700	x66
44E	Anfisa the Monkey dp	1400	x4964
44D	Hyperdrive math	1800	x702
44C	Holidays implementation	1300	x3274
44B	Cola implementation	1500	x1935
44A	Indian Summer implementation	900	x10088
43E	Race brute force, implementation, two pointers	2300	x388
43D	Journey brute force, constructive algorithms, implementation	2000	x1069
43C	Lucky Tickets greedy	1300	x4208
43B	Letter implementation, strings	1100	x16195
43A	Football strings	1000	x54113
42E	Baldman and the military dfs and similar, graphs, trees	2700	x197
42D	Strange town constructive algorithms, math	2300	x392
42C	Safe cracking brute force, constructive algorithms	2200	x460
42B	Game of chess unfinished implementation	1700	x930
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2796
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1922
41D	Pawn dp	1900	x2246
41C	Email address expression parsing, implementation	1300	x3691
41B	Martian Dollar brute force	1400	x3932
41A	Translation implementation, strings	800	x139487
40E	Number Table combinatorics	2500	x660
40D	Interesting Sequence math	2600	x129
40C	Berland Square implementation, math	2300	x243
40B	Repaintings math	1600	x1133
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3944
39K	Testing	2600	x84
39J	Spelling Check hashing, implementation, strings	1500	x2896
39I	Tram	2500	x129
39H	Multiplication Table implementation	1300	x2655
39G	Inverse Function implementation	2400	x126
39F	Pacifist frogs implementation	1300	x1523
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x862
39D	Cubical Planet math	1100	x3843
39C	Moon Craters dp, sortings	2100	x573
39B	Company Income Growth greedy	1300	x2601
39A	C*++ Calculations expression parsing, greedy	2000	x668
38H	The Great Marathon dp	2400	x270
38G	Queue data structures	2300	x693
38F	Smart Boy dp, games, strings	2100	x380
38E	Let's Go Rolling! dp, sortings	1800	x2531
38D	Vasya the Architect implementation	1900	x483
38C	Blinds brute force	1400	x2114
38B	Chess brute force, implementation, math	1200	x3462
38A	Army implementation	800	x20804
37E	Trial for Chief graphs, greedy, shortest paths	2600	x600
37D	Lesson Timetable combinatorics, dp, math	2300	x391
37C	Old Berland Language data structures, greedy, trees	1900	x1613
37B	Computer Game greedy, implementation	1800	x873
37A	Towers sortings	1000	x23958