Problemset - Codeforces

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Problems

#	Name
1800C1	Powering the Hero (easy version) data structures, greedy	1000	x23441
1800B	Count the Number of Pairs greedy, strings	1000	x25050
1800A	Is It a Cat? implementation, strings	800	x31321
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x279
1799G	Count Voting combinatorics, dp, math	2600	x759
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x817
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1194
1799D2	Hot Start Up (hard version) data structures, dp	2100	x2438
1799D1	Hot Start Up (easy version) dp	1900	x4443
1799C	Double Lexicographically Minimum greedy, strings	1700	x5787
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x11306
1799A	Recent Actions data structures, greedy, implementation, math	800	x11560
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x491
1798E	Multitest Generator brute force, dp	2300	x1589
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x9782
1798C	Candy Store greedy, math, number theory	1700	x8150
1798B	Three Sevens brute force, data structures, greedy, implementation	1000	x16527
1798A	Showstopper greedy, implementation, sortings	800	x19646
1797F	Li Hua and Path data structures, dfs and similar, divide and conquer, dsu, trees	3000	x351
1797E	Li Hua and Array brute force, data structures, dsu, math, number theory, two pointers	2300	x1265
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3931
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7595
1797B	Li Hua and Pattern constructive algorithms, greedy	1100	x15885
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x17394
1796F	Strange Triples brute force, math, number theory	2900	x171
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x749
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x4283
1796C	Maximum Set binary search, math	1600	x10361
1796B	Asterisk-Minor Template implementation, strings	1000	x16518
1796A	Typical Interview Problem brute force, implementation, strings	800	x18819
1795G	Removal Sequences bitmasks, dfs and similar, graphs	2700	x681
1795F	Blocking Chips binary search, constructive algorithms, dfs and similar, greedy, trees	2400	x1104
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x2005
1795D	Triangle Coloring combinatorics, math	1600	x9077
1795C	Tea Tasting binary search, data structures, implementation	1500	x12339
1795B	Ideal Point brute force, geometry, greedy	900	x22003
1795A	Two Towers brute force, implementation, strings	800	x23561
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1086
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3568
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x13694
1794B	Not Dividing constructive algorithms, greedy, math	900	x22114
1794A	Prefix and Suffix Array strings	800	x17113
1793F	Rebrending brute force, data structures, divide and conquer, implementation	2600	x1366
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x1051
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x6082
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x20124
1793B	Fedya and Array constructive algorithms, math	1100	x15764
1793A	Yet Another Promotion greedy, math	800	x18009
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x389
1792F1	Graph Coloring (easy version) combinatorics, dp, graphs	2700	x712
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1382
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x6235
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x14048
1792B	Stand-up Comedian greedy, math	1200	x21274
1792A	GamingForces greedy, sortings	800	x28026
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4764
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x22459
1791F	Range Update Point Query binary search, brute force, data structures	1500	x12354
1791E	Negatives and Positives dp, greedy, sortings	1100	x28133
1791D	Distinct Split brute force, greedy, strings	1000	x30278
1791C	Prepend and Append implementation, two pointers	800	x44915
1791B	Following Directions geometry, implementation	800	x44009
1791A	Codeforces Checking implementation, strings	800	x59986
1790G	Tokens on Graph constructive algorithms, dfs and similar, graphs, shortest paths	2300	x1119
1790F	Timofey and Black-White Tree brute force, dfs and similar, divide and conquer, graphs, greedy, math, shortest paths, trees	2100	x3331
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x15061
1790D	Matryoshkas data structures, greedy, sortings	1200	x20027
1790C	Premutation brute force, implementation, math	1000	x23779
1790B	Taisia and Dice greedy, greedy, math	800	x27329
1790A	Polycarp and the Day of Pi implementation, math, strings	800	x36912
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x713
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x815
1789D	Serval and Shift-Shift-Shift bitmasks, brute force, constructive algorithms, implementation	2200	x1664
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8515
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x16141
1789A	Serval and Mocha's Array brute force, math, number theory	800	x18948
1788F	XOR, Tree, and Queries bitmasks, constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, trees	2500	x834
1788E	Sum Over Zero data structures, dfs and similar, dp	2200	x2659
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3897
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x17155
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19970
1788A	One and Two brute force, implementation, math	800	x30439
1787I	Treasure Hunt data structures, divide and conquer, two pointers	3400	x166
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x229
1787G	Colorful Tree Again brute force, data structures, trees	3000	x433
1787F	Inverse Transformation constructive algorithms, implementation, math	2500	x675
1787E	The Harmonization of XOR bitmasks, constructive algorithms, greedy, math	2100	x2330
1787D	Game on Axis combinatorics, dfs and similar, dsu, graphs, implementation	1900	x3384
1787C	Remove the Bracket dp, greedy, math	1600	x7042
1787B	Number Factorization greedy, math, number theory	1100	x13200
1787A	Exponential Equation constructive algorithms, math	800	x19144
1786B	Cake Assembly Line brute force, sortings	1300	x8946
1786A2	Alternating Deck (hard version) implementation	800	x11394
1786A1	Non-alternating Deck (easy version) implementation	800	x14023
1784F	Minimums or Medians	3400	x184
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x334
1784D	Wooden Spoon combinatorics, dp	2400	x1016
1784C	Monsters (hard version) data structures, greedy	2200	x1650
1784B	Letter Exchange constructive algorithms	1900	x3323
1784A	Monsters (easy version) brute force, greedy	1000	x15078