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 961 (Div. 2)
11:11:24
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x874
354D	Transferring Pyramid dp	2900	x460
354C	Vasya and Beautiful Arrays brute force, dp, number theory	2100	x3023
354B	Game with Strings bitmasks, dp, games	2400	x451
354A	Vasya and Robot brute force, greedy, math	1500	x5448
353E	Antichain dp, graph matchings, greedy	2200	x577
353D	Queue constructive algorithms, dp	2000	x2765
353C	Find Maximum implementation, math, number theory	1600	x4777
353B	Two Heaps combinatorics, constructive algorithms, greedy, implementation, math, sortings	1900	x2268
353A	Domino implementation, math	1200	x18221
352B	Jeff and Periods implementation, sortings	1300	x16135
352A	Jeff and Digits brute force, implementation, math	1000	x25066
351E	Jeff and Permutation greedy	2200	x1545
351D	Jeff and Removing Periods data structures	2700	x1033
351C	Jeff and Brackets dp, matrices	2500	x543
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2343
351A	Jeff and Rounding dp, greedy, implementation, math	1800	x2878
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x755
350D	Looking for Owls binary search, data structures, geometry, hashing, sortings	2400	x260
350C	Bombs greedy, implementation, sortings	1600	x6500
350B	Resort graphs	1500	x3101
350A	TL brute force, greedy, implementation	1200	x16173
349B	Color the Fence data structures, dp, greedy, implementation	1700	x13763
349A	Cinema Line greedy, implementation	1100	x29296
348E	Pilgrims dfs and similar, dp, trees	2800	x435
348D	Turtles dp, matrices	2500	x1659
348C	Subset Sums brute force, data structures	2500	x2136
348B	Apple Tree dfs and similar, number theory, trees	2100	x2068
348A	Mafia binary search, math, sortings	1600	x12819
347B	Fixed Points brute force, implementation, math	1100	x9222
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8866
346E	Doodle Jump math, number theory	3000	x260
346D	Robot Control dp, graphs, shortest paths	2600	x712
346C	Number Transformation II greedy, math	2200	x1428
346B	Lucky Common Subsequence dp, strings	2000	x3408
346A	Alice and Bob games, math, number theory	1600	x8591
345G	Suffix Subgroup *special problem, strings	2200	x55
345F	Superstitions Inspection *special problem	2700	x47
345E	Black Cat Rush *special problem	2700	x47
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x79
345C	Counting Fridays *special problem	2000	x126
345B	Triskaidekaphobia *special problem	2100	x125
345A	Expecting Trouble *special problem, probabilities	1500	x480
344B	Simple Molecules brute force, graphs, math	1200	x8769
344A	Magnets implementation	800	x115623
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x701
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5633
343C	Read Time binary search, greedy, two pointers	1900	x2977
343B	Alternating Current data structures, greedy, implementation	1600	x13417
343A	Rational Resistance math, number theory	1600	x8634
342E	Xenia and Tree data structures, divide and conquer, trees	2400	x7949
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x492
342C	Cupboard and Balloons geometry	1900	x1828
342B	Xenia and Spies brute force, greedy, implementation	1500	x4001
342A	Xenia and Divisors greedy, implementation	1200	x12345
341E	Candies Game constructive algorithms, greedy	3000	x440
341D	Iahub and Xors data structures	2500	x1172
340E	Iahub and Permutations combinatorics, math	2000	x2335
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7093
340C	Tourist Problem combinatorics, implementation, math	1600	x4191
340B	Maximal Area Quadrilateral brute force, geometry	2100	x2050
340A	The Wall math	1200	x7503
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x542
339D	Xenia and Bit Operations data structures, trees	1700	x24623
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8228
339B	Xenia and Ringroad implementation	1000	x68100
339A	Helpful Maths greedy, implementation, sortings, strings	800	x205165
338E	Optimize! data structures	2600	x964
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1105
337E	Divisor Tree brute force, number theory, trees	2200	x1013
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x5979
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4835
337B	Routine Problem greedy, math, number theory	1400	x9220
337A	Puzzles greedy	900	x77415
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x112
336D	Vasily the Bear and Beautiful Strings combinatorics, math, number theory	2100	x939
336C	Vasily the Bear and Sequence brute force, greedy, implementation, number theory	1800	x2434
336B	Vasily the Bear and Fly math	1900	x1208
336A	Vasily the Bear and Triangle implementation, math	1000	x9980
335F	Buy One, Get One Free dp, greedy	3000	x508
335E	Counting Skyscrapers dp, math, probabilities	2800	x219
335D	Rectangles and Square brute force, dp	2400	x323
335C	More Reclamation games	2100	x521
335B	Palindrome constructive algorithms, dp	1900	x2038
335A	Banana binary search, constructive algorithms, greedy	1400	x2537
334B	Eight Point Sets sortings	1400	x3561
334A	Candy Bags implementation	1000	x18280
333E	Summer Earnings binary search, bitmasks, brute force, geometry, sortings	2500	x1088
333D	Characteristics of Rectangles binary search, bitmasks, brute force, implementation, sortings	2100	x2064
333C	Lucky Tickets brute force, constructive algorithms	2700	x375
333B	Chips greedy	1800	x2612
333A	Secrets greedy	1600	x3952
332E	Binary Key dp, greedy, implementation	2400	x299
332D	Theft of Blueprints graphs, math	2400	x383
332C	Students' Revenge data structures, greedy, sortings	2200	x900
332B	Maximum Absurdity data structures, dp, implementation	1500	x7887
332A	Down the Hatch! implementation	1300	x3544
331E2	Deja Vu constructive algorithms, dp	3100	x218
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x164
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x175