Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
35:05:14
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Before contest
Codeforces Round 941 (Div. 2)
35:05:14
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Problems

#	Name
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4366
773A	Success Rate binary search, math	1700	x4352
789B	Masha and geometric depression brute force, implementation, math	1700	x4342
718A	Efim and Strange Grade dp, implementation, math	1700	x4316
936A	Save Energy! binary search, implementation, math	1700	x4313
507C	Guess Your Way Out! implementation, math, trees	1700	x4273
678D	Iterated Linear Function math, number theory	1700	x4261
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4142
140A	New Year Table geometry, math	1700	x4080
1677B	Tokitsukaze and Meeting data structures, implementation, math	1700	x4009
627A	XOR Equation dp, math	1700	x3946
449A	Jzzhu and Chocolate greedy, math	1700	x3865
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3817
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3638
729D	Sea Battle constructive algorithms, greedy, math	1700	x3608
321A	Ciel and Robot binary search, implementation, math	1700	x3549
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3533
895B	XK Segments binary search, math, sortings, two pointers	1700	x3416
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3411
160C	Find Pair implementation, math, sortings	1700	x3380
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3377
451C	Predict Outcome of the Game brute force, implementation, math	1700	x3296
931C	Laboratory Work implementation, math	1700	x3289
1142A	The Beatles brute force, math	1700	x3257
327C	Magic Five combinatorics, math	1700	x3108
198A	About Bacteria implementation, math	1700	x3101
405D	Toy Sum greedy, implementation, math	1700	x3083
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3043
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3041
850A	Five Dimensional Points brute force, geometry, math	1700	x2992
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2960
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2439
1906M	Triangle Construction greedy, math	1700	x2286
288C	Polo the Penguin and XOR operation implementation, math	1700	x2232
533C	Board Game games, greedy, implementation, math	1700	x2140
18B	Platforms brute force, math	1700	x2059
32C	Flea math	1700	x2049
305B	Continued Fractions brute force, implementation, math	1700	x2032
76D	Plus and xor dp, greedy, math	1700	x1989
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1731
76E	Points implementation, math	1700	x1651
49C	Disposition constructive algorithms, math	1700	x1638
81C	Average Score greedy, math, sortings	1700	x1624
203D	Hit Ball geometry, implementation, math	1700	x1398
303B	Rectangle Puzzle II implementation, math	1700	x1329
457A	Golden System math, meet-in-the-middle	1700	x1261
630Q	Pyramids geometry, math	1700	x1209
929C	Красивая команда *special problem, combinatorics, math	1700	x1141
183A	Headquarters constructive algorithms, math	1700	x525
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x12488
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10177
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10086
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9330
1548B	Integers Have Friends binary search, data structures, divide and conquer, math, number theory, two pointers	1800	x9250
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8843
584D	Dima and Lisa brute force, math, number theory	1800	x8799
1329A	Dreamoon Likes Coloring constructive algorithms, greedy, implementation, math	1800	x8771
1500A	Going Home brute force, hashing, implementation, math	1800	x8527
1327E	Count The Blocks combinatorics, dp, math	1800	x8488
1295D	Same GCDs math, number theory	1800	x8401
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x8039
1852A	Ntarsis' Set binary search, math, number theory	1800	x7527
1225D	Power Products hashing, math, number theory	1800	x7364
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7347
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7281
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7264
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7211
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7207
1316C	Primitive Primes constructive algorithms, math, ternary search	1800	x7006
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x6962
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x6933
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6869
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6840
988D	Points and Powers of Two brute force, math	1800	x6774
148D	Bag of mice dp, games, math, probabilities	1800	x6736
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6674
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6553
1152C	Neko does Maths brute force, math, number theory	1800	x6517
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6458
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6340
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6168
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6083
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5986
1848C	Vika and Price Tags math, number theory	1800	x5917
1186C	Vus the Cossack and Strings implementation, math	1800	x5827
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5749
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5738
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x5736
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5733
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5656
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5534
1750D	Count GCD combinatorics, math, number theory	1800	x5529
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5393
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5265
1151C	Problem for Nazar constructive algorithms, math	1800	x5246
1781D	Many Perfect Squares brute force, math, number theory	1800	x5218
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4955
442B	Andrey and Problem greedy, math, probabilities	1800	x4845
986B	Petr and Permutations combinatorics, math	1800	x4553
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4433