Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 962 (Div. 3)
26:48:42
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x694
1945F	Kirill and Mushrooms data structures, sortings	1900	x3918
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x7602
1945D	Seraphim the Owl dp, greedy	1300	x13495
1945C	Left and Right Houses brute force	1200	x14075
1945B	Fireworks math, number theory	900	x21452
1945A	Setting up Camp greedy, math	800	x26471
1944B	Equal XOR bitmasks, constructive algorithms	1100	x15455
1944A	Destroying Bridges graphs, greedy, math	800	x22689
1943F	Minimum Hamming Distance dp	3500	x98
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x275
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x407
1943D2	Counting Is Fun (Hard Version) combinatorics, dp	2800	x672
1943D1	Counting Is Fun (Easy Version) brute force, combinatorics, dp, math	2400	x1358
1943C	Tree Compass constructive algorithms, dfs and similar, greedy, trees	2300	x1948
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3587
1943A	MEX Game 1 games, greedy	1300	x16750
1942H	Farmer John's Favorite Intern data structures, dp, flows, trees	3500	x83
1942G	Bessie and Cards combinatorics, dp, math	2800	x415
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x654
1942E	Farm Game combinatorics, games	2300	x1574
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2642
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5869
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x10365
1942B	Bessie and MEX constructive algorithms, math	1100	x13283
1942A	Farmer John's Challenge constructive algorithms, math	800	x16681
1941G	Rudolf and Subway constructive algorithms, dfs and similar, graphs, shortest paths	2000	x3267
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5589
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8967
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x17631
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x31736
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x28283
1941A	Rudolf and the Ticket brute force, math	800	x40885
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x127
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x34
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x181
1940A	Parallel Universes *special problem, constructive algorithms, dfs and similar, dsu, graphs		x82
1939D	Big Persimmon *special problem, dp, games		x86
1939C	More Gifts *special problem, dfs and similar, two pointers		x286
1939B	Evidence Board *special problem, constructive algorithms, dfs and similar, graphs, trees		x214
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x21
1938M	Zig-zag	3500	x50
1938L	XOR Operations	2800	x259
1938K	Tree Quiz	2400	x553
1938J	There and Back Again	2100	x1156
1938I	Symmetric Boundary	2800	x56
1938H	Pho Restaurant	1600	x1962
1938G	Personality Test	2300	x912
1938F	Forming Groups	2400	x675
1938E	Duplicates	2200	x898
1938D	Bánh Bò	3300	x82
1938C	Bit Counting Sequence	1900	x1328
1938B	Attraction Score	3000	x172
1938A	Antiparticle Antiphysics	3500	x47
1937B	Binary Path dp, greedy, implementation	1300	x14148
1937A	Shuffle Party implementation, math	800	x22494
1936F	Grand Finale: Circles binary search, geometry	3300	x75
1936E	Yet Yet Another Permutation Problem divide and conquer, fft, math	3400	x104
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x465
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1206
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2651
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x7002
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x424
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1277
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7794
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7714
1935B	Informatics in MAC constructive algorithms	1200	x17626
1935A	Entertainment in MAC constructive algorithms, strings	800	x26860
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x206
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1280
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3269
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6397
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x17871
1934A	Too Min Too Max greedy, math	800	x24532
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x920
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2351
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x10554
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x19192
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x21767
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x31378
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x37000
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x986
1932F	Feed Cats data structures, dp, sortings	1900	x3787
1932E	Final Countdown implementation, math, number theory	1600	x7593
1932D	Card Game greedy, implementation	1400	x10798
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x14863
1932B	Chaya Calendar number theory	1100	x19775
1932A	Thorns and Coins dp, greedy, implementation	800	x28295
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2621
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x7510
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x14599
1931D	Divisible Pairs combinatorics, math, number theory	1300	x17398
1931C	Make Equal Again brute force, greedy, math	1000	x27729
1931B	Make Equal greedy	800	x31278
1931A	Recovering a Small String brute force, strings	800	x34912
1930I	Counting Is Fun combinatorics	3500	x64
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x147
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x323
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x666
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x1062