Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 998 (Div. 3)
09:32:00
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
62B	Tyndex.Brome binary search, implementation	1800	x1298
62A	A Student's Dream greedy, math	1300	x3477
61E	Enemy is weak data structures, trees	1900	x11689
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6695
61C	Capture Valerian math	2000	x724
61B	Hard Work strings	1300	x3904
61A	Ultra-Fast Mathematician implementation	800	x115535
60E	Mushroom Gnomes math, matrices	2600	x328
60D	Savior brute force, dsu, math	2500	x462
60C	Mushroom Strife brute force, dfs and similar	2100	x573
60B	Serial Time! dfs and similar, dsu	1400	x4727
60A	Where Are My Flakes? implementation, two pointers	1300	x3682
59E	Shortest Path graphs, shortest paths	2000	x3664
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x643
59C	Title expression parsing	1600	x2135
59B	Fortune Telling implementation, number theory	1200	x7083
59A	Word implementation, strings	800	x184959
58E	Expression dp	2400	x408
58D	Calendar greedy, strings	2000	x740
58C	Trees brute force	1800	x2052
58B	Coins greedy	1300	x12353
58A	Chat room greedy, strings	1000	x134516
57E	Chess math, shortest paths	3000	x264
57D	Journey dp, math	2500	x345
57C	Array combinatorics, math	1900	x2788
57B	Martian Architecture implementation	1600	x1026
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2942
56E	Domino Principle binary search, data structures, sortings	2200	x2460
56D	Changing a String dp	2100	x1682
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1176
56B	Spoilt Permutation implementation	1300	x3761
56A	Bar implementation	1000	x8823
55E	Very simple problem geometry, two pointers	2500	x714
55D	Beautiful numbers dp, number theory	2500	x3987
55C	Pie or die games	1900	x1668
55B	Smallest number brute force	1600	x2929
55A	Flea travel implementation, math	1200	x3509
54E	Vacuum Сleaner geometry	2700	x194
54D	Writing a Song brute force, dp, strings	2100	x553
54C	First Digit Law dp, math, probabilities	2000	x1363
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x795
54A	Presents implementation	1300	x2123
53E	Dead Ends bitmasks, dp	2500	x1025
53D	Physical Education sortings	1500	x2070
53C	Little Frog constructive algorithms	1200	x6574
53B	Blog Photo binary search, implementation	1700	x1421
53A	Autocomplete implementation	1100	x5187
52C	Circular RMQ data structures	2200	x9327
52B	Right Triangles combinatorics	1600	x2095
52A	123-sequence implementation	900	x9016
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x655
51E	Pentagon combinatorics, graphs, matrices	2400	x413
51D	Geometrical problem implementation	2200	x483
51C	Three Base Stations binary search, greedy	1800	x2106
51B	bHTML Tables Analisys expression parsing	1700	x878
51A	Cheaterius's Problem implementation	1300	x1848
50E	Square Equation Roots math	2300	x368
50D	Bombing binary search, dp, probabilities	2100	x644
50C	Happy Farm 5 geometry	2000	x788
50B	Choosing Symbol Pairs strings	1500	x5766
50A	Domino piling greedy, math	800	x258556
49E	Common ancestor dp	2300	x682
49D	Game brute force, dp, implementation	1800	x1933
49C	Disposition constructive algorithms, math	1700	x1709
49B	Sum math	1500	x2509
49A	Sleuth implementation	800	x13671
48H	Black and White constructive algorithms	2800	x153
48G	Galaxy Union dp, trees, two pointers	2700	x277
48F	Snow sellers greedy, sortings	2800	x161
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x597
48D	Permutations greedy	1500	x2583
48C	The Race math	1800	x788
48B	Land Lot brute force, implementation	1200	x2728
48A	Rock-paper-scissors implementation, schedules	900	x6357
47E	Cannon data structures, geometry, sortings	2200	x376
47D	Safe brute force	2200	x790
47C	Crossword implementation	2000	x794
47B	Coins implementation	1200	x14323
47A	Triangular numbers brute force, math	800	x15521
46G	Emperor's Problem geometry	2500	x120
46F	Hercule Poirot Problem dsu, graphs	2300	x335
46E	Comb data structures, dp	1900	x966
46D	Parking Lot data structures, implementation	1800	x996
46C	Hamsters and Tigers two pointers	1600	x2505
46B	T-shirts from Sponsor implementation	1100	x3730
46A	Ball Game brute force, implementation	800	x8947
45J	Planting Trees constructive algorithms	1800	x956
45I	TCMCF+++ greedy	1400	x2515
45H	Road Problem graphs	2100	x197
45G	Prime Problem number theory	2200	x1058
45F	Goats and Wolves greedy	2500	x148
45E	Director constructive algorithms, greedy	2000	x555
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1710
45C	Dancing Lessons data structures	1900	x934
45B	School dp, dsu	2200	x286
45A	Codecraft III implementation	900	x6923
44J	Triminoes constructive algorithms, greedy	2000	x579
44I	Toys brute force, combinatorics	2300	x200
44H	Phone Number dp	1700	x1767
44G	Shooting Gallery data structures, implementation	2500	x436