Problemset - Codeforces

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Codeforces Round 943 (Div. 3)
15:13:40
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combinatorics

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Problems

#	Name
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14536
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14848
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x14951
1326C	Permutation Partitions combinatorics, greedy, math	1300	x15220
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15685
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15784
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15963
1777B	Emordnilap combinatorics, greedy, math	900	x16561
251A	Points on Line binary search, combinatorics, two pointers	1300	x16563
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16988
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x17014
617B	Chocolate combinatorics	1300	x17300
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17414
1433E	Two Round Dances combinatorics, math	1300	x18008
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18350
1582B	Luntik and Subsequences combinatorics, math	900	x18759
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18928
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19279
1821A	Matching combinatorics, math	800	x19338
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x19582
1475C	Ball in Berland combinatorics, graphs, math	1400	x19924
630C	Lucky Numbers combinatorics, math	1100	x20371
1293B	JOE is on TV! combinatorics, greedy, math	1000	x20777
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x20784
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21006
1840B	Binary Cafe bitmasks, combinatorics, math	1100	x21452
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x21587
610A	Pasha and Stick combinatorics, math	1000	x21986
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x22007
1543B	Customising the Track combinatorics, greedy, math	900	x22642
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x22695
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x22886
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23650
1840C	Ski Resort combinatorics, math, two pointers	1000	x24483
1272C	Yet Another Broken Keyboard combinatorics, dp, implementation	1200	x25051
1674B	Dictionary combinatorics, math	800	x25581
1743A	Password brute force, combinatorics, implementation, math	800	x26053
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x28058
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28983
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x30997
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35212
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x38411

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