Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 973 (Div. 2)
13:41:03
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

greedy

Add tag

Problems

#	Name
1981E	Turtle and Intersected Segments data structures, dsu, graphs, greedy	2600	x789
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x5090
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x21744
1980G	Yasya and the Mysterious Tree bitmasks, data structures, dfs and similar, graphs, greedy, strings, trees	2300	x1182
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x10055
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x13800
1980C	Sofia and the Lost Operations constructive algorithms, greedy	1300	x17998
1979D	Fixing a Binary String bitmasks, brute force, constructive algorithms, dp, greedy, hashing, strings	1800	x6360
1979B	XOR Sequences bitmasks, greedy	1000	x21950
1979A	Guess the Maximum brute force, greedy, implementation	800	x28473
1978E	Computing Machine brute force, data structures, dp, greedy, implementation	2000	x3612
1978D	Elections data structures, greedy, implementation, math	1600	x10782
1978C	Manhattan Permutations constructive algorithms, data structures, greedy, implementation, math	1300	x14377
1978B	New Bakery binary search, greedy, math, ternary search	800	x21732
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x24915
1977D	XORificator bitmasks, brute force, greedy, hashing	2300	x1758
1977C	Nikita and LCM brute force, data structures, dp, greedy, math, number theory, sortings	1900	x6505
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x17222
1976F	Remove Bridges data structures, dfs and similar, dp, greedy, sortings, trees	2800	x523
1976E	Splittable Permutations combinatorics, data structures, dfs and similar, greedy, math, trees	2500	x988
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x9980
1976B	Increase/Decrease/Copy greedy, implementation	1100	x21721
1975H	378QAQ and Core greedy, strings	3500	x111
1975G	Zimpha Fan Club fft, greedy, math, strings	3000	x216
1975D	Paint the Tree brute force, dfs and similar, dp, greedy, shortest paths, trees	1700	x5757
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x14051
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x17274
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x18221
1974G	Money Buys Less Happiness Now data structures, greedy, sortings	2000	x4073
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x14319
1974A	Phone Desktop greedy, math	800	x32523
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x8074
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x13586
1972A	Contest Proposal brute force, greedy, two pointers	800	x22523
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x25222
1969F	Card Pairing dp, greedy, hashing, implementation	3000	x250
1969E	Unique Array binary search, data structures, divide and conquer, dp, greedy	2400	x1305
1969D	Shop Game data structures, greedy, math, sortings	1900	x4379
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x18437
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x14494
1968B	Prefiquence greedy, two pointers	800	x27403
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x12121
1966A	Card Exchange constructive algorithms, games, greedy	800	x17511
1965C	Folding Strip constructive algorithms, greedy, strings	2300	x1853
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory	1800	x6477
1965A	Everything Nim games, greedy, math, sortings	1400	x13255
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x17567
1957A	Stickogon constructive algorithms, greedy	800	x22905
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x820
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3795
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x12584
1956B	Nene and the Card Game games, greedy	800	x20973
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x21252
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x6889
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x8380
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x20717
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x2169
1954C	Long Multiplication greedy, math, number theory	1200	x18937
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x23563
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x75
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x267
1951F	Inversion Composition constructive algorithms, data structures, greedy	2500	x751
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x3547
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x5314
1951C	Ticket Hoarding greedy, math, sortings	1400	x11374
1951B	Battle Cows binary search, data structures, greedy	1200	x14249
1951A	Dual Trigger constructive algorithms, greedy, math	900	x19246
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x8926
1949H	Division Avoidance greedy, math	3100	x115
1949G	Scooter graphs, greedy	2300	x741
1949F	Dating greedy, sortings, trees	2200	x925
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees	1900	x1639
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x3015
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2908
1948B	Array Fix brute force, dp, greedy, implementation	1100	x22582
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x4604
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x10604
1946B	Maximum Sum dp, greedy, math	1100	x20018
1946A	Median of an Array greedy, implementation, sortings	800	x25721
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x7912
1945D	Seraphim the Owl dp, greedy	1300	x14112
1945A	Setting up Camp greedy, math	800	x27163
1944A	Destroying Bridges graphs, greedy, math	800	x23360
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x288
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x424
1943C	Tree Compass constructive algorithms, dfs and similar, greedy, trees	2300	x2040
1943A	MEX Game 1 games, greedy	1300	x17495
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2728
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6043
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x10736
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5849
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x32801
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x29299
1937B	Binary Path dp, greedy, implementation	1300	x14747
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x491
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1275
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x7277
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x438
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1333
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x8025