Problemset - Codeforces

Problems

#	Name
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x1192
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x711
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2805
1771C	Hossam and Trainees greedy, math, number theory	1600	x9820
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x14714
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x23117
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x106
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x159
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x713
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1378
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3891
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8661
1770B	Koxia and Permutation constructive algorithms	1000	x19481
1770A	Koxia and Whiteboards brute force, greedy	1000	x23664
1769D3	Игра в Девятку III *special problem, brute force	2300	x119
1769D2	Игра в Девятку II *special problem, brute force	2200	x197
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x384
1769C2	Подкрутка II *special problem, dp	1300	x976
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x976
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x884
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1378
1769A	Узкая дорога *special problem, math	800	x1972
1768F	Wonderful Jump dp, greedy	2900	x867
1768E	Partial Sorting combinatorics, math, number theory	2300	x1920
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x7265
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x14315
1768B	Quick Sort greedy, math	900	x23293
1768A	Greatest Convex greedy, math, number theory	800	x29077
1767F	Two Subtrees data structures, trees	3100	x278
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x944
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x10020
1767C	Count Binary Strings data structures, dp	2100	x2681
1767B	Block Towers data structures, greedy, sortings	800	x20470
1767A	Cut the Triangle implementation	800	x20652
1766F	MCF flows	2800	x273
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1236
1766D	Lucky Chains math, number theory	1600	x9023
1766C	Hamiltonian Wall dp, implementation	1300	x13743
1766B	Notepad# implementation	1000	x21288
1766A	Extremely Round brute force, implementation	800	x27365
1765N	Number Reduction greedy	1500	x4924
1765M	Minimum LCM math, number theory	1000	x16289
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	x206
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1313
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x400
1765F	Chemistry Lab dp, geometry, probabilities	2200	x612
1765E	Exchange brute force, math	1000	x10210
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x4235
1765C	Card Guessing combinatorics, dp, probabilities	2600	x401
1765B	Broken Keyboard greedy	800	x9103
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x704
1764H	Doremy's Paint 2 data structures	3400	x193
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x474
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	x595
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x978
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1254
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2798
1764C	Doremy's City Construction graphs, greedy	1400	x9476
1764B	Doremy's Perfect Math Class math, number theory	900	x16000
1764A	Doremy's Paint greedy	800	x16673
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x493
1763E	Node Pairs dp, graphs, math, number theory	2200	x1828
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x2086
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x6754
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14753
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15769
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x102
1762F	Good Pairs binary search, data structures, dp	2600	x683
1762E	Tree Sum combinatorics, math, trees	2600	x683
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x3695
1762C	Binary Strings are Fun combinatorics, math	1400	x9253
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x17054
1762A	Divide and Conquer greedy, math, number theory	800	x19300
1761G	Centroid Guess interactive, probabilities, trees	3500	x114
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	x1875
1761D	Carry Bit combinatorics, math	2100	x2486
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9660
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13517
1761A	Two Permutations brute force, constructive algorithms	800	x20291
1760G	SlavicG's Favorite Problem bitmasks, dfs and similar, graphs	1700	x7454
1760F	Quests binary search, greedy, sortings	1500	x12434
1760E	Binary Inversions data structures, greedy, math	1100	x20529
1760D	Challenging Valleys implementation, two pointers	1000	x23940
1760C	Advantage data structures, implementation, sortings	800	x37769
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x45246
1760A	Medium Number implementation, sortings	800	x61176
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x4535
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3970
1759E	The Humanoid brute force, dp, sortings	1500	x10961
1759D	Make It Round brute force, number theory	1400	x13892
1759C	Thermostat greedy, math, shortest paths	1100	x17868
1759B	Lost Permutation math	800	x22346
1759A	Yes-Yes? implementation, strings	800	x30272
1758F	Decent Division constructive algorithms, data structures	3000	x179