Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
2 days
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Problems

#	Name
1618A	Polycarp and Sums of Subsequences math, sortings	800	x31620
1833A	Musical Puzzle implementation, strings	800	x31639
822A	I'm bored with life implementation, math, number theory	800	x31751
1919A	Wallet Exchange games, math	800	x31806
1633A	Div. 7 brute force	800	x31943
1921B	Arranging Cats greedy, implementation	800	x32072
1971A	My First Sorting Problem implementation, sortings	800	x32386
1692C	Where's the Bishop? implementation	800	x32587
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32608
1840A	Cipher Shifer implementation, strings, two pointers	800	x32673
1873D	1D Eraser greedy, implementation, two pointers	800	x32812
1692B	All Distinct greedy, sortings	800	x32889
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32897
894A	QAQ brute force, dp	800	x32991
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x32999
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33052
1702A	Round Down the Price constructive algorithms	800	x33497
1931A	Recovering a Small String brute force, strings	800	x33660
214A	System of Equations brute force	800	x33730
1950B	Upscaling implementation	800	x33768
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x33940
1527A	And Then There Were K bitmasks	800	x33997
1907A	Rook implementation	800	x34231
1703C	Cypher brute force, implementation, strings	800	x34272
1858A	Buttons games, greedy, math	800	x34526
265A	Colorful Stones (Simplified Edition) implementation	800	x34558
1560B	Who's Opposite? math	800	x34757
1325B	CopyCopyCopyCopyCopy greedy, implementation	800	x34938
978B	File Name greedy, strings	800	x35069
1660A	Vasya and Coins greedy, math	800	x35109
1760C	Advantage data structures, implementation, sortings	800	x35165
1950C	Clock Conversion implementation, math	800	x35329
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35576
1873C	Target Practice implementation, math	800	x35589
1593A	Elections math	800	x35611
1369A	FashionabLee geometry, math	800	x35654
686A	Free Ice Cream constructive algorithms, implementation	800	x35667
1790A	Polycarp and the Day of Pi implementation, math, strings	800	x35698
1538A	Stone Game brute force, dp, greedy	800	x35801
1607A	Linear Keyboard implementation, strings	800	x36135
1537A	Arithmetic Array greedy, math	800	x36141
1337A	Ichihime and Triangle constructive algorithms, math	800	x36166
1186A	Vus the Cossack and a Contest implementation	800	x36290
1385B	Restore the Permutation by Merger greedy	800	x36332
1955A	Yogurt Sale math	800	x36858
1368A	C+= brute force, greedy, implementation, math	800	x36924
1097A	Gennady and a Card Game brute force, implementation	800	x37113
509A	Maximum in Table brute force, implementation	800	x37304
1872A	Two Vessels brute force, greedy, math	800	x37398
1385A	Three Pairwise Maximums math	800	x37637
1915C	Can I Square? binary search, implementation	800	x37808
1579A	Casimir's String Solitaire math, strings	800	x37863
1358A	Park Lighting greedy, math	800	x38194
1899A	Game with Integers games, math, number theory	800	x38273
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x38298
1348A	Phoenix and Balance greedy, math	800	x38436
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x38505
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x38766
1729A	Two Elevators math	800	x39019
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x39038
1878A	How Much Does Daytona Cost? greedy	800	x39064
1941A	Rudolf and the Ticket brute force, math	800	x39099
1454A	Special Permutation constructive algorithms, probabilities	800	x39359
1296A	Array with Odd Sum math	800	x39608
1927A	Make it White greedy, strings	800	x39869
1807B	Grab the Candies greedy	800	x39899
1462A	Favorite Sequence implementation, two pointers	800	x40041
1921A	Square greedy, math	800	x40078
1669B	Triple implementation, sortings	800	x40097
233A	Perfect Permutation implementation, math	800	x40544
1850B	Ten Words of Wisdom implementation, sortings	800	x40559
1311A	Add Odd or Subtract Even greedy, implementation, math	800	x40736
1791C	Prepend and Append implementation, two pointers	800	x40818
1472A	Cards for Friends greedy, math	800	x40951
1829B	Blank Space implementation	800	x41051
1850C	Word on the Paper implementation, strings	800	x41308
935A	Fafa and his Company brute force, implementation	800	x41610
702A	Maximum Increase dp, greedy, implementation	800	x41659
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x41930
1791B	Following Directions geometry, implementation	800	x42006
1926A	Vlad and the Best of Five implementation	800	x42400
1542A	Odd Set math	800	x42431
1399B	Gifts Fixing greedy	800	x42436
1520B	Ordinary Numbers brute force, math, number theory	800	x42993
731A	Night at the Museum implementation, strings	800	x43324
1722B	Colourblindness implementation	800	x43403
1857A	Array Coloring greedy, math	800	x43778
1772A	A+B? implementation	800	x44225
959A	Mahmoud and Ehab and the even-odd game games, math	800	x44337
1950A	Stair, Peak, or Neither? implementation	800	x44402
1371A	Magical Sticks math	800	x44413
1294A	Collecting Coins math	800	x44423
1873B	Good Kid brute force, greedy, math	800	x44619
1742B	Increasing greedy, implementation, sortings	800	x44705
1676B	Equal Candies greedy, math, sortings	800	x45346
1703B	ICPC Balloons data structures, implementation	800	x45642
1426A	Floor Number implementation, math	800	x45684
1829A	Love Story implementation, strings	800	x46146
1360B	Honest Coach greedy, sortings	800	x46197
707A	Brain's Photos implementation	800	x46451