Problemset - Codeforces

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Problems

#	Name
1979A	Guess the Maximum brute force, greedy, implementation	800	x29085
1978E	Computing Machine brute force, data structures, dp, greedy, implementation	2000	x3840
1978D	Elections data structures, greedy, implementation, math	1600	x11355
1978C	Manhattan Permutations constructive algorithms, data structures, greedy, implementation, math	1300	x15003
1978B	New Bakery binary search, greedy, math, ternary search	800	x22408
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x25775
1977D	XORificator bitmasks, brute force, greedy, hashing	2300	x1865
1977C	Nikita and LCM brute force, data structures, dp, greedy, math, number theory, sortings	1900	x6786
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x17689
1976F	Remove Bridges data structures, dfs and similar, dp, greedy, sortings, trees	2800	x592
1976E	Splittable Permutations combinatorics, data structures, dfs and similar, greedy, math, trees	2500	x1046
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10427
1976B	Increase/Decrease/Copy greedy, implementation	1100	x22314
1975H	378QAQ and Core greedy, strings	3500	x116
1975G	Zimpha Fan Club fft, greedy, math, strings	3000	x235
1975D	Paint the Tree brute force, dfs and similar, dp, greedy, shortest paths, trees	1700	x6067
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x14623
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x17907
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x18544
1974G	Money Buys Less Happiness Now data structures, greedy, sortings	2000	x4385
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x14868
1974A	Phone Desktop greedy, math	800	x33301
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x8404
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x14162
1972A	Contest Proposal brute force, greedy, two pointers	800	x23003
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x25975
1969F	Card Pairing dp, greedy, hashing, implementation	3000	x279
1969E	Unique Array binary search, data structures, divide and conquer, dp, greedy	2400	x1392
1969D	Shop Game data structures, greedy, math, sortings	1900	x4654
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x19172
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x15001
1968B	Prefiquence greedy, two pointers	800	x28014
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x12548
1966A	Card Exchange constructive algorithms, games, greedy	800	x17930
1965C	Folding Strip constructive algorithms, greedy, strings	2300	x1951
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory	1800	x6770
1965A	Everything Nim games, greedy, math, sortings	1400	x13810
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x18014
1957A	Stickogon constructive algorithms, greedy	800	x23394
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x888
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3953
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x12979
1956B	Nene and the Card Game games, greedy	800	x21307
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x21769
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x7162
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x8699
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x21384
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x2323
1954C	Long Multiplication greedy, math, number theory	1200	x19538
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x24280
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x76
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x284
1951F	Inversion Composition constructive algorithms, data structures, greedy	2500	x769
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x3666
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x5443
1951C	Ticket Hoarding greedy, math, sortings	1400	x11741
1951B	Battle Cows binary search, data structures, greedy	1200	x14708
1951A	Dual Trigger constructive algorithms, greedy, math	900	x19830
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x9235
1949H	Division Avoidance greedy, math	3100	x127
1949G	Scooter graphs, greedy	2300	x795
1949F	Dating greedy, sortings, trees	2200	x1009
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees	1900	x1798
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x3351
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x3014
1948B	Array Fix brute force, dp, greedy, implementation	1100	x23084
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x4770
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x11057
1946B	Maximum Sum dp, greedy, math	1100	x20561
1946A	Median of an Array greedy, implementation, sortings	800	x26141
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x8262
1945D	Seraphim the Owl dp, greedy	1300	x14576
1945A	Setting up Camp greedy, math	800	x27829
1944A	Destroying Bridges graphs, greedy, math	800	x23877
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x305
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x442
1943C	Tree Compass constructive algorithms, dfs and similar, greedy, trees	2300	x2133
1943A	MEX Game 1 games, greedy	1300	x18122
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2824
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6204
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x11042
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x6100
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x33592
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x30041
1937B	Binary Path dp, greedy, implementation	1300	x15155
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x519
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1342
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x7526
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x454
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1382
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x8265
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1403
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3557
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6864
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x19101
1934A	Too Min Too Max greedy, math	800	x25540
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x20459
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x38370
1932D	Card Game greedy, implementation	1400	x11583
1932A	Thorns and Coins dp, greedy, implementation	800	x29903