原创 Codeforces 295B Greg and Graph
Greg has a weighed directed graph, consisting of n vertices. In this graph any pair of distinct vertices has an edg
2020-07-03 22:04:47
原创 Codeforces 547B Mike and Feet
Mike is the president of country What-The-Fatherland. There are n bears living in this country besides Mike. All of
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原创 Codeforces 339C Xenia and Weights
C. Xenia and Weights time limit per test 2 seconds memory limit per test 256 megabytes input standard input ou
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原创 Codeforces 448C Painting Fence
Bizon the Champion isn’t just attentive, he also is very hardworking. Bizon the Champion decided to paint his old f
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原创 Codeforces 557C Arthur and Table
Arthur has bought a beautiful big table into his new flat. When he came home, Arthur noticed that the new table is
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原创 Codeforces 527D Clique Problem
The clique problem is one of the most well-known NP-complete problems. Under some simplification it can be formulat
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原创 Codeforces 513B2 Permutations
You are given a permutation p of numbers 1, 2, …, n. Let’s define f(p) as the following sum: Find the lexicographic
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原创 ZOJ 3505 Yet Another Set of Numbers
You are given yet another set of numbers. The numbers in this set obey these rules: Each number will start with a n
2020-02-21 03:15:35
原创 Codeforces 592D Super M
D. Super M time limit per test 2 seconds memory limit per test 256 megabytes input standard input output stand
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原创 HDU 1011 Starship Troopers
Problem Description You, the leader of Starship Troopers, are sent to destroy a base of the bugs. The base is buil
2020-02-21 03:15:35
原创 POJ 3208 Apocalypse Someday
Description The number 666 is considered to be the occult “number of the beast” and is a well used number in all ma
2020-02-21 03:15:35
原创 Codeforces 598E Chocolate Bar
You have a rectangular chocolate bar consisting of n × m single squares. You want to eat exactly k squares, so you
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原创 Codeforces 558C Amr and Chemistry
Amr loves Chemistry, and specially doing experiments. He is preparing for a new interesting experiment. Amr has n d
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原创 HDU 4003 Find Metal Mineral
Problem Description Humans have discovered a kind of new metal mineral on Mars which are distributed in point‐like
2020-02-21 03:15:34
原创 Codeforces 489D Unbearable Controversy of Being
Tomash keeps wandering off and getting lost while he is walking along the streets of Berland. It’s no surprise! In
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