Problemset - Codeforces

Problems

#	Name
1768A	Greatest Convex greedy, math, number theory	800	x29065
1767F	Two Subtrees data structures, trees	3100	x277
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x940
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x10008
1767C	Count Binary Strings data structures, dp	2100	x2678
1767B	Block Towers data structures, greedy, sortings	800	x20455
1767A	Cut the Triangle implementation	800	x20641
1766F	MCF flows	2800	x271
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1233
1766D	Lucky Chains math, number theory	1600	x9011
1766C	Hamiltonian Wall dp, implementation	1300	x13732
1766B	Notepad# implementation	1000	x21264
1766A	Extremely Round brute force, implementation	800	x27291
1765N	Number Reduction greedy	1500	x4917
1765M	Minimum LCM math, number theory	1000	x16247
1765L	Project Manager brute force, data structures, implementation	2400	x588
1765K	Torus Path greedy, math	1500	x5910
1765J	Hero to Zero graph matchings, math	2900	x213
1765I	Infinite Chess implementation, shortest paths	2800	x204
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1309
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x398
1765F	Chemistry Lab dp, geometry, probabilities	2200	x609
1765E	Exchange brute force, math	1000	x10201
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x4233
1765C	Card Guessing combinatorics, dp, probabilities	2600	x399
1765B	Broken Keyboard greedy	800	x9097
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x701
1764H	Doremy's Paint 2 data structures	3400	x193
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x473
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x537
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x594
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x976
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1249
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2794
1764C	Doremy's City Construction graphs, greedy	1400	x9471
1764B	Doremy's Perfect Math Class math, number theory	900	x15990
1764A	Doremy's Paint greedy	800	x16669
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x481
1763E	Node Pairs dp, graphs, math, number theory	2200	x1826
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x2077
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x6689
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14741
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15761
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x102
1762F	Good Pairs binary search, data structures, dp	2600	x671
1762E	Tree Sum combinatorics, math, trees	2600	x682
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x3688
1762C	Binary Strings are Fun combinatorics, math	1400	x9250
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x17042
1762A	Divide and Conquer greedy, math, number theory	800	x19289
1761G	Centroid Guess interactive, probabilities, trees	3500	x113
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x83
1761F1	Anti-median (Easy Version) dp, math	3100	x210
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1868
1761D	Carry Bit combinatorics, math	2100	x2483
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9650
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13512
1761A	Two Permutations brute force, constructive algorithms	800	x20222
1760G	SlavicG's Favorite Problem bitmasks, dfs and similar, graphs	1700	x7447
1760F	Quests binary search, greedy, sortings	1500	x12410
1760E	Binary Inversions data structures, greedy, math	1100	x20514
1760D	Challenging Valleys implementation, two pointers	1000	x23919
1760C	Advantage data structures, implementation, sortings	800	x37704
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x45168
1760A	Medium Number implementation, sortings	800	x61020
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x4530
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3965
1759E	The Humanoid brute force, dp, sortings	1500	x10945
1759D	Make It Round brute force, number theory	1400	x13866
1759C	Thermostat greedy, math, shortest paths	1100	x17842
1759B	Lost Permutation math	800	x22340
1759A	Yes-Yes? implementation, strings	800	x30252
1758F	Decent Division constructive algorithms, data structures	3000	x173
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x856
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x7391
1758C	Almost All Multiples greedy, number theory	1400	x13757
1758B	XOR = Average constructive algorithms	900	x21411
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x25316
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18980
1754A	Technical Support greedy	800	x23331
1753F	Minecraft Series brute force, two pointers	3500	x212
1753E	N Machines binary search, brute force, greedy	3300	x333
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1780
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4558
1753B	Factorial Divisibility math, number theory	1600	x12975
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x10472
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x15066
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x84
1750G	Doping combinatorics, dp, math	3300	x249
1750F	Majority combinatorics, dp, math, strings	2700	x922
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1437
1750D	Count GCD combinatorics, math, number theory	1800	x5985
1750C	Complementary XOR constructive algorithms, implementation	1400	x9603
1750B	Maximum Substring brute force, greedy, implementation	800	x16263
1750A	Indirect Sort constructive algorithms, implementation, math	800	x17100
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x524
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1741
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5621
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x14086
1749B	Death's Blessing greedy	900	x21081