Problemset - Codeforces

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Codeforces Round 944 (Div. 4)
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Problems

#	Name
567A	Lineland Mail greedy, implementation	900	x30604
1611A	Make Even constructive algorithms, math	800	x30626
1520C	Not Adjacent Matrix constructive algorithms	1000	x30634
1490A	Dense Array greedy, math	800	x30645
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30727
1360D	Buying Shovels math, number theory	1300	x30786
268B	Buttons implementation, math	1000	x30875
1742C	Stripes implementation	900	x31023
1538B	Friends and Candies greedy, math	800	x31028
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x31088
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31093
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31128
1462C	Unique Number brute force, greedy, math	900	x31265
1549A	Gregor and Cryptography math, number theory	800	x31347
1846A	Rudolph and Cut the Rope implementation, math	800	x31383
459A	Pashmak and Garden implementation	1200	x31407
1716A	2-3 Moves greedy, math	800	x31416
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x31417
1372A	Omkar and Completion constructive algorithms, implementation	800	x31439
540A	Combination Lock implementation	800	x31522
1675A	Food for Animals greedy, math	800	x31539
1618A	Polycarp and Sums of Subsequences math, sortings	800	x31556
1833A	Musical Puzzle implementation, strings	800	x31581
822A	I'm bored with life implementation, math, number theory	800	x31696
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31700
1919A	Wallet Exchange games, math	800	x31726
1633A	Div. 7 brute force	800	x31889
1921B	Arranging Cats greedy, implementation	800	x31958
1294C	Product of Three Numbers greedy, math, number theory	1300	x32331
977C	Less or Equal sortings	1200	x32337
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32377
1692C	Where's the Bishop? implementation	800	x32493
450A	Jzzhu and Children implementation	1000	x32536
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32550
1840A	Cipher Shifer implementation, strings, two pointers	800	x32593
1873D	1D Eraser greedy, implementation, two pointers	800	x32667
1692B	All Distinct greedy, sortings	800	x32794
115A	Party dfs and similar, graphs, trees	900	x32835
1373B	01 Game games	900	x32840
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32858
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x32904
894A	QAQ brute force, dp	800	x32926
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32975
1337B	Kana and Dragon Quest game greedy, implementation, math	900	x33059
1950B	Upscaling implementation	800	x33267
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x33276
1702A	Round Down the Price constructive algorithms	800	x33439
1931A	Recovering a Small String brute force, strings	800	x33516
320A	Magic Numbers brute force, greedy	900	x33628
214A	System of Equations brute force	800	x33650
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x33888
1527A	And Then There Were K bitmasks	800	x33930
1907A	Rook implementation	800	x34038
1703C	Cypher brute force, implementation, strings	800	x34171
1353C	Board Moves math	1000	x34196
1624B	Make AP implementation, math	900	x34236
1858A	Buttons games, greedy, math	800	x34288
1363A	Odd Selection brute force, implementation, math	1200	x34392
265A	Colorful Stones (Simplified Edition) implementation	800	x34455
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34586
1560B	Who's Opposite? math	800	x34706
1950C	Clock Conversion implementation, math	800	x34853
1325B	CopyCopyCopyCopyCopy greedy, implementation	800	x34894
978B	File Name greedy, strings	800	x35018
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x35020
1760C	Advantage data structures, implementation, sortings	800	x35052
1660A	Vasya and Coins greedy, math	800	x35065
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35268
1873C	Target Practice implementation, math	800	x35312
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x35330
1352B	Same Parity Summands constructive algorithms, math	1200	x35365
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35371
1593A	Elections math	800	x35536
686A	Free Ice Cream constructive algorithms, implementation	800	x35577
1369A	FashionabLee geometry, math	800	x35588
1790A	Polycarp and the Day of Pi implementation, math, strings	800	x35634
1538A	Stone Game brute force, dp, greedy	800	x35747
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x35952
1607A	Linear Keyboard implementation, strings	800	x36019
1337A	Ichihime and Triangle constructive algorithms, math	800	x36036
1537A	Arithmetic Array greedy, math	800	x36061
1955A	Yogurt Sale math	800	x36117
1186A	Vus the Cossack and a Contest implementation	800	x36176
1385B	Restore the Permutation by Merger greedy	800	x36289
124A	The number of positions math	1000	x36303
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36313
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36357
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36365
977B	Two-gram implementation, strings	900	x36800
1368A	C+= brute force, greedy, implementation, math	800	x36819
1327A	Sum of Odd Integers math	1100	x36930
1335B	Construct the String constructive algorithms	900	x36989
1097A	Gennady and a Card Game brute force, implementation	800	x37029
509A	Maximum in Table brute force, implementation	800	x37254
1872A	Two Vessels brute force, greedy, math	800	x37272
499B	Lecture implementation, strings	1000	x37491
1915C	Can I Square? binary search, implementation	800	x37537
1385A	Three Pairwise Maximums math	800	x37575
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37721
149A	Business trip greedy, implementation, sortings	900	x37746