Problemset - Codeforces

Problems

#	Name
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x57
1863H	Goldberg Machine 3 dp, trees	3500	x59
1863G	Swaps combinatorics, dp, graphs, math	2800	x461
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x897
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2414
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x7963
1863C	MEX Repetition implementation, math	1100	x12118
1863B	Split Sort greedy, math, sortings	1100	x13131
1863A	Channel greedy, implementation	800	x16334
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2336
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x4925
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x8419
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x14441
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x17986
1862B	Sequence Game constructive algorithms	800	x24905
1862A	Gift Carpet dp, greedy, implementation, strings	800	x28167
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x111
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1457
1861D	Sorting By Multiplication dp, greedy	1800	x5395
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x8440
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x18095
1861A	Prime Deletion constructive algorithms, math	800	x21752
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x241
1860E	Fast Travel Text Editor data structures, dfs and similar, graphs, shortest paths	2400	x1173
1860D	Balanced String dp	2200	x2507
1860C	Game on Permutation data structures, dp, games, greedy	1400	x11044
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x14275
1860A	Not a Substring constructive algorithms, strings	900	x19312
1859F	Teleportation in Byteland data structures, dfs and similar, divide and conquer, graphs, shortest paths, trees	3200	x337
1859E	Maximum Monogonosity brute force, dp, math	2500	x1568
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x5970
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x15128
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x21184
1859A	United We Stand constructive algorithms, math, number theory	800	x26000
1858E2	Rollbacks (Hard Version) data structures, interactive, trees	2600	x902
1858E1	Rollbacks (Easy Version) brute force, data structures, dfs and similar, trees	2500	x1142
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2461
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x20302
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x9679
1858A	Buttons games, greedy, math	800	x29770
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x3627
1857F	Sum and Product binary search, data structures, math	1600	x9111
1857E	Power of Points math, sortings	1500	x10252
1857D	Strong Vertices math, sortings, trees	1300	x16021
1857C	Assembly via Minimums greedy, sortings	1200	x19938
1857B	Maximum Rounding greedy, implementation, math	1100	x20682
1857A	Array Coloring greedy, math	800	x38347
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1163
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4367
1856D	More Wrong divide and conquer, interactive	2100	x2839
1856C	To Become Max binary search, brute force, data structures, dp	1600	x9717
1856B	Good Arrays implementation, math	900	x21254
1856A	Tales of a Sort implementation	800	x24642
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x20784
1855A	Dalton the Teacher greedy, math	800	x25827
1854F	Mark and Spaceship brute force, dp	3500	x89
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x345
1854D	Michael and Hotel binary search, interactive, trees	3000	x422
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1272
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3062
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6179
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x12287
1853B	Fibonaccharsis binary search, brute force, math	1200	x15175
1853A	Desorting brute force, greedy, math	800	x24311
1852F	Panda Meetups data structures, dp, flows	3500	x86
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x135
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x398
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1310
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x3678
1852A	Ntarsis' Set binary search, math, number theory	1800	x6830
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2576
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x4642
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x8249
1851D	Prefix Permutation Sums implementation, math	1300	x13008
1851C	Tiles Comeback greedy	1000	x20358
1851B	Parity Sort greedy, sortings, two pointers	800	x26045
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x27154
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x6488
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x9642
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x14786
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x18122
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x27208
1850C	Word on the Paper implementation, strings	800	x35601
1850B	Ten Words of Wisdom implementation, sortings	800	x35978
1850A	To My Critics implementation, sortings	800	x42581
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x541
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1324
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x6954
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x8718
1849B	Monsters greedy, math, sortings	1000	x19477
1849A	Morning Sandwich implementation, math	800	x25577
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1324
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x683
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2335
1848C	Vika and Price Tags math, number theory	1800	x5415
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x11691
1848A	Vika and Her Friends games, math	900	x15152
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x780
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x297
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3312