Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
14:57:39
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Problems

#	Name
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9577
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20373
1861A	Prime Deletion constructive algorithms, math	800	x23264
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x266
1860E	Fast Travel Text Editor data structures, dfs and similar, graphs, shortest paths	2400	x1320
1860D	Balanced String dp	2200	x2818
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12571
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16204
1860A	Not a Substring constructive algorithms, strings	900	x20965
1859F	Teleportation in Byteland data structures, dfs and similar, divide and conquer, graphs, shortest paths, trees	3200	x373
1859E	Maximum Monogonosity brute force, dp, math	2500	x1679
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6609
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16430
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24706
1859A	United We Stand constructive algorithms, math, number theory	800	x29790
1858E2	Rollbacks (Hard Version) data structures, interactive, trees	2600	x1014
1858E1	Rollbacks (Easy Version) brute force, data structures, dfs and similar, trees	2500	x1255
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2720
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22121
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10751
1858A	Buttons games, greedy, math	800	x34953
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4144
1857F	Sum and Product binary search, data structures, math	1600	x10552
1857E	Power of Points math, sortings	1500	x11652
1857D	Strong Vertices math, sortings, trees	1300	x17970
1857C	Assembly via Minimums greedy, sortings	1200	x23433
1857B	Maximum Rounding greedy, implementation, math	1100	x22283
1857A	Array Coloring greedy, math	800	x44259
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1321
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4963
1856D	More Wrong divide and conquer, interactive	2100	x3125
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11237
1856B	Good Arrays implementation, math	900	x23325
1856A	Tales of a Sort implementation	800	x25902
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x24263
1855A	Dalton the Teacher greedy, math	800	x27307
1854F	Mark and Spaceship brute force, dp	3500	x115
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x386
1854D	Michael and Hotel binary search, interactive, trees	3000	x527
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1412
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3374
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6747
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13489
1853B	Fibonaccharsis binary search, brute force, math	1200	x16652
1853A	Desorting brute force, greedy, math	800	x28753
1852F	Panda Meetups data structures, dp, flows	3500	x100
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x159
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x432
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1471
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4190
1852A	Ntarsis' Set binary search, math, number theory	1800	x7644
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2972
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5388
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9557
1851D	Prefix Permutation Sums implementation, math	1300	x14494
1851C	Tiles Comeback greedy	1000	x22466
1851B	Parity Sort greedy, sortings, two pointers	800	x28304
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28798
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7612
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11408
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x17522
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x21183
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x33013
1850C	Word on the Paper implementation, strings	800	x41659
1850B	Ten Words of Wisdom implementation, sortings	800	x40812
1850A	To My Critics implementation, sortings	800	x51946
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x666
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1533
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x7868
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9946
1849B	Monsters greedy, math, sortings	1000	x23140
1849A	Morning Sandwich implementation, math	800	x27196
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1466
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x752
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2529
1848C	Vika and Price Tags math, number theory	1800	x6014
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13612
1848A	Vika and Her Friends games, math	900	x16318
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x861
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x319
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3625
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12312
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19237
1847A	The Man who became a God greedy, sortings	800	x21728
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4108
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2914
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6647
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15583
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18502
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x18100
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x26210
1846A	Rudolph and Cut the Rope implementation, math	800	x31618
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x356
1845E	Boxes and Balls dp, implementation, math	2500	x1280
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7396
1845C	Strong Password binary search, dp, greedy, strings	1400	x13466
1845B	Come Together geometry, implementation, math	900	x21006
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24952
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x133
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x654