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2019ICPC南京网络赛A题 The beautiful values of the palace https://nanti.jisuanke.com/t/41298 Here is a square matrix of n n n ∗ n , each lattice has its valu 阅读全文
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Pursuit For Artifacts "CodeForces 652E " Johnny is playing a well known computer game. The game are in some country, where the player can freely trave 阅读全文
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"D Nested Segments" "CodeForces 652D " You are given n segments on a line. There are no ends of some segments that coincide. For each segment find the 阅读全文
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"D Beautiful Graph" "CodeForces 1093D " You are given an undirected unweighted graph consisting of nn vertices and mm edges. You have to write a numbe 阅读全文
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Relatively Prime Powers "CodeForces 1036F " Consider some positive integer xx. Its prime factorization will be of form x=2k1⋅3k2⋅5k3⋅…x=2k1⋅3k2⋅5k3⋅… 阅读全文
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Number of Parallelograms "CodeForces 660D " You are given n points on a plane. All the points are distinct and no three of them lie on the same line. 阅读全文
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Diagonal Walking v.2 "CodeForces 1036B " Mikhail walks on a Cartesian plane. He starts at the point (0,0)(0,0), and in one move he can go to any of ei 阅读全文