Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 946 (Div. 3)
3 days
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
64E	Prime Segment *special problem, brute force, math, number theory	1800	x234
64D	Presents *special problem, greedy	1800	x281
64C	Table *special problem, greedy, implementation, math	1600	x331
64B	Expression *special problem, expression parsing	1500	x998
64A	Factorial *special problem, implementation	1300	x2708
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x715
63D	Dividing Island constructive algorithms	1900	x1221
63C	Bulls and Cows brute force, implementation	1700	x1632
63B	Settlers' Training implementation	1200	x4714
63A	Sinking Ship implementation, sortings, strings	900	x10895
62E	World Evil dp, flows	2700	x219
62D	Wormhouse dfs and similar, graphs	2300	x349
62C	Inquisition geometry, implementation, sortings	2300	x247
62B	Tyndex.Brome binary search, implementation	1800	x1263
62A	A Student's Dream greedy, math	1300	x3368
61E	Enemy is weak data structures, trees	1900	x10121
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6261
61C	Capture Valerian math	2000	x692
61B	Hard Work strings	1300	x3786
61A	Ultra-Fast Mathematician implementation	800	x104016
60E	Mushroom Gnomes math, matrices	2600	x316
60D	Savior brute force, dsu, math	2500	x395
60C	Mushroom Strife brute force, dfs and similar	2100	x549
60B	Serial Time! dfs and similar, dsu	1400	x4448
60A	Where Are My Flakes? implementation, two pointers	1300	x3531
59E	Shortest Path graphs, shortest paths	2000	x3132
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x603
59C	Title expression parsing	1600	x2012
59B	Fortune Telling implementation, number theory	1200	x6693
59A	Word implementation, strings	800	x162915
58E	Expression dp	2400	x348
58D	Calendar greedy, strings	2000	x713
58C	Trees brute force	1800	x1964
58B	Coins greedy	1300	x11833
58A	Chat room greedy, strings	1000	x122629
57E	Chess math, shortest paths	3000	x250
57D	Journey dp, math	2500	x329
57C	Array combinatorics, math	1900	x2330
57B	Martian Architecture implementation	1600	x987
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2815
56E	Domino Principle binary search, data structures, sortings	2200	x2214
56D	Changing a String dp	2100	x1529
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1118
56B	Spoilt Permutation implementation	1300	x3622
56A	Bar implementation	1000	x8344
55E	Very simple problem geometry, two pointers	2500	x674
55D	Beautiful numbers dp, number theory	2500	x3611
55C	Pie or die games	1900	x1584
55B	Smallest number brute force	1600	x2640
55A	Flea travel implementation, math	1200	x3342
54E	Vacuum Сleaner geometry	2700	x187
54D	Writing a Song brute force, dp, strings	2100	x506
54C	First Digit Law dp, math, probabilities	2000	x1246
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x738
54A	Presents implementation	1300	x2008
53E	Dead Ends bitmasks, dp	2500	x905
53D	Physical Education sortings	1500	x1932
53C	Little Frog constructive algorithms	1200	x6222
53B	Blog Photo binary search, implementation	1700	x1367
53A	Autocomplete implementation	1100	x4842
52C	Circular RMQ data structures	2200	x8204
52B	Right Triangles combinatorics	1600	x1981
52A	123-sequence implementation	900	x8316
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x545
51E	Pentagon combinatorics, graphs, matrices	2400	x367
51D	Geometrical problem implementation	2200	x418
51C	Three Base Stations binary search, greedy	1800	x1814
51B	bHTML Tables Analisys expression parsing	1700	x848
51A	Cheaterius's Problem implementation	1300	x1781
50E	Square Equation Roots math	2300	x345
50D	Bombing binary search, dp, probabilities	2100	x596
50C	Happy Farm 5 geometry	2000	x726
50B	Choosing Symbol Pairs strings	1500	x5540
50A	Domino piling greedy, math	800	x229684
49E	Common ancestor dp	2300	x649
49D	Game brute force, dp, implementation	1800	x1834
49C	Disposition constructive algorithms, math	1700	x1645
49B	Sum math	1500	x2391
49A	Sleuth implementation	800	x12928
48H	Black and White constructive algorithms	2800	x134
48G	Galaxy Union dp, trees, two pointers	2700	x254
48F	Snow sellers greedy, sortings	2800	x133
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x562
48D	Permutations greedy	1500	x2412
48C	The Race math	1800	x756
48B	Land Lot brute force, implementation	1200	x2609
48A	Rock-paper-scissors implementation, schedules	900	x5640
47E	Cannon data structures, geometry, sortings	2200	x354
47D	Safe brute force	2200	x747
47C	Crossword implementation	2000	x740
47B	Coins implementation	1200	x13081
47A	Triangular numbers brute force, math	800	x14348
46G	Emperor's Problem geometry	2500	x109
46F	Hercule Poirot Problem dsu, graphs	2300	x308
46E	Comb data structures, dp	1900	x925
46D	Parking Lot data structures, implementation	1800	x959
46C	Hamsters and Tigers two pointers	1600	x2217
46B	T-shirts from Sponsor implementation	1100	x3540
46A	Ball Game brute force, implementation	800	x8392
45J	Planting Trees constructive algorithms	1800	x888