Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 973 (Div. 2)
01:16:00
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
64G	Path Canonization *special problem	2200	x119
64F	Domain *special problem, expression parsing	2000	x180
64E	Prime Segment *special problem, brute force, math, number theory	1800	x240
64D	Presents *special problem, greedy	1800	x287
64C	Table *special problem, greedy, implementation, math	1600	x337
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x753
63D	Dividing Island constructive algorithms	1900	x1256
63C	Bulls and Cows brute force, implementation	1700	x1675
62E	World Evil dp, flows	2700	x229
62D	Wormhouse dfs and similar, graphs	2300	x360
62C	Inquisition geometry, implementation, sortings	2300	x251
62B	Tyndex.Brome binary search, implementation	1800	x1284
61E	Enemy is weak data structures, trees	1900	x10885
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6517
61C	Capture Valerian math	2000	x709
60E	Mushroom Gnomes math, matrices	2600	x325
60D	Savior brute force, dsu, math	2500	x407
60C	Mushroom Strife brute force, dfs and similar	2100	x563
59E	Shortest Path graphs, shortest paths	2000	x3379
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x626
59C	Title expression parsing	1600	x2080
58E	Expression dp	2400	x361
58D	Calendar greedy, strings	2000	x727
58C	Trees brute force	1800	x2021
57E	Chess math, shortest paths	3000	x259
57D	Journey dp, math	2500	x337
57C	Array combinatorics, math	1900	x2567
57B	Martian Architecture implementation	1600	x1011
56E	Domino Principle binary search, data structures, sortings	2200	x2307
56D	Changing a String dp	2100	x1605
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1151
55E	Very simple problem geometry, two pointers	2500	x700
55D	Beautiful numbers dp, number theory	2500	x3870
55C	Pie or die games	1900	x1629
55B	Smallest number brute force	1600	x2836
54E	Vacuum Сleaner geometry	2700	x190
54D	Writing a Song brute force, dp, strings	2100	x536
54C	First Digit Law dp, math, probabilities	2000	x1300
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x758
53E	Dead Ends bitmasks, dp	2500	x973
53B	Blog Photo binary search, implementation	1700	x1402
52C	Circular RMQ data structures	2200	x8834
52B	Right Triangles combinatorics	1600	x2034
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x566
51E	Pentagon combinatorics, graphs, matrices	2400	x403
51D	Geometrical problem implementation	2200	x477
51C	Three Base Stations binary search, greedy	1800	x1929
51B	bHTML Tables Analisys expression parsing	1700	x867
50E	Square Equation Roots math	2300	x357
50D	Bombing binary search, dp, probabilities	2100	x620
50C	Happy Farm 5 geometry	2000	x763
49E	Common ancestor dp	2300	x662
49D	Game brute force, dp, implementation	1800	x1896
49C	Disposition constructive algorithms, math	1700	x1683
48H	Black and White constructive algorithms	2800	x146
48G	Galaxy Union dp, trees, two pointers	2700	x267
48F	Snow sellers greedy, sortings	2800	x154
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x578
48C	The Race math	1800	x778
47E	Cannon data structures, geometry, sortings	2200	x364
47D	Safe brute force	2200	x765
47C	Crossword implementation	2000	x781
46G	Emperor's Problem geometry	2500	x115
46F	Hercule Poirot Problem dsu, graphs	2300	x323
46E	Comb data structures, dp	1900	x955
46D	Parking Lot data structures, implementation	1800	x973
46C	Hamsters and Tigers two pointers	1600	x2416
45J	Planting Trees constructive algorithms	1800	x933
45H	Road Problem graphs	2100	x187
45G	Prime Problem number theory	2200	x1036
45F	Goats and Wolves greedy	2500	x132
45E	Director constructive algorithms, greedy	2000	x540
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1680
45C	Dancing Lessons data structures	1900	x892
45B	School dp, dsu	2200	x275
44J	Triminoes constructive algorithms, greedy	2000	x567
44I	Toys brute force, combinatorics	2300	x189
44H	Phone Number dp	1700	x1731
44G	Shooting Gallery data structures, implementation	2500	x403
44F	BerPaint geometry, graphs	2700	x66
44D	Hyperdrive math	1800	x708
43E	Race brute force, implementation, two pointers	2300	x393
43D	Journey brute force, constructive algorithms, implementation	2000	x1077
42E	Baldman and the military dfs and similar, graphs, trees	2700	x202
42D	Strange town constructive algorithms, math	2300	x402
42C	Safe cracking brute force, constructive algorithms	2200	x481
42B	Game of chess unfinished implementation	1700	x939
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1948
41D	Pawn dp	1900	x2351
40E	Number Table combinatorics	2500	x675
40D	Interesting Sequence math	2600	x136
40C	Berland Square implementation, math	2300	x248
40B	Repaintings math	1600	x1159
39K	Testing	2600	x84
39I	Tram	2500	x139
39G	Inverse Function implementation	2400	x126
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x876
39C	Moon Craters dp, sortings	2100	x598
39A	C*++ Calculations expression parsing, greedy	2000	x678
38H	The Great Marathon dp	2400	x287