Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 970 (Div. 3)
07:54:51
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
597C	Subsequences data structures, dp	1900	x4849
597B	Restaurant dp, greedy, sortings	1600	x4778
582B	Once Again... constructive algorithms, dp, matrices	1900	x3420
580D	Kefa and Dishes bitmasks, dp	1800	x9559
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x12000
575H	Bots combinatorics, dp, math, number theory	1800	x1667
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5821
571B	Minimization dp, greedy, sortings	2000	x2607
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2237
567C	Geometric Progression binary search, data structures, dp	1700	x9407
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3994
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5461
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x8544
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11656
543A	Writing Code dp	1800	x7883
540D	Bad Luck Island dp, probabilities	1900	x5411
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2251
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2365
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4739
524B	Фото на память - 2 (round version) dp, greedy	1700	x1453
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6347
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6915
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1774
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5369
509C	Sums of Digits dp, greedy, implementation	2000	x2055
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6307
494B	Obsessive String dp, strings	2000	x2649
487B	Strip binary search, data structures, dp, two pointers	2000	x3474
479E	Riding in a Lift combinatorics, dp	1900	x5084
478D	Red-Green Towers dp	2000	x5812
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3262
474D	Flowers dp	1700	x24900
467C	George and Job dp, implementation	1700	x14497
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x35694
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x6321
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5566
459E	Pashmak and Graph dp, sortings	1900	x5372
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5877
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4642
448C	Painting Fence divide and conquer, dp, greedy	1900	x8104
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12463
435D	Special Grid brute force, dp, greedy	2000	x753
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8870
431C	k-Tree dp, implementation, trees	1600	x25343
429B	Working out dp	1600	x8509
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2458
416C	Booking System binary search, dp, greedy, implementation	1600	x7843
413D	2048 bitmasks, dp	2000	x792
407B	Long Path dp, implementation	1600	x6486
404D	Minesweeper 1D dp, implementation	1900	x2135
402D	Upgrading Array dp, greedy, math, number theory	1800	x2600
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4115
386C	Diverse Substrings dp, strings, two pointers	2000	x772
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9563
379D	New Year Letter bitmasks, brute force, dp	2000	x1541
375B	Maximum Submatrix 2 data structures, dp, implementation, sortings	1600	x5044
374D	Inna and Sequence binary search, data structures, dp, trees	2000	x861
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2729
372B	Counting Rectangles is Fun brute force, divide and conquer, dp	1900	x2592
366C	Dima and Salad dp	1900	x4747
362C	Insertion Sort data structures, dp, implementation, math	1900	x1734
360B	Levko and Array binary search, dp	2000	x2869
358D	Dima and Hares dp, greedy	1800	x3999
353D	Queue constructive algorithms, dp	2000	x2801
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2358
351A	Jeff and Rounding dp, greedy, implementation, math	1800	x2912
349B	Color the Fence data structures, dp, greedy, implementation	1700	x13873
346B	Lucky Common Subsequence dp, strings	2000	x3461
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8274
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x6041
335B	Palindrome constructive algorithms, dp	1900	x2074
321B	Ciel and Duel dp, flows, greedy	1900	x3062
316B2	EKG dfs and similar, dp	1600	x1577
314C	Sereja and Subsequences data structures, dp	2000	x1824
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2211
295B	Greg and Graph dp, graphs, shortest paths	1700	x13825
294B	Shaass and Bookshelf dp, greedy	1700	x4506
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2421
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1536
283B	Cow Program dfs and similar, dp, graphs	1700	x3647
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1434
279C	Ladder dp, implementation, two pointers	1700	x8198
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13613
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x4987
269B	Greenhouse Effect dp	1700	x6259
264C	Choosing Balls dp	2000	x2862
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x769
261B	Maxim and Restaurant dp, math, probabilities	1900	x1395
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1781
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1443
251C	Number Transformation dp, greedy, number theory	2000	x1022
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6476
235B	Let's Play Osu! dp, math, probabilities	2000	x3471
234F	Fence dp	1800	x1730
232B	Table bitmasks, combinatorics, dp, math	1900	x1420
228C	Fractal Detector dp, hashing	2000	x452
225C	Barcode dp, matrices	1700	x9031
223B	Two Strings data structures, dp, strings	1900	x1759
222E	Decoding Genome dp, matrices	1900	x2721
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x9238