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Domination 题目链接:https://odzkskevi.qnssl.com/9713ae1d3ff2cc043442f25e9a86814c?v=1531624384 Edward is the headmaster of Marjar University. He is enthusi 阅读全文
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Problem Description OO has got a array A of size n ,defined a function f(l,r) represent the number of i (l<=i<=r) , that there's no j(l<=j<=r,j<>i) sa 阅读全文
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E1. Median on Segments (Permutations Edition) time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard o 阅读全文
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Allen has a LOT of money. He has nn dollars in the bank. For security reasons, he wants to withdraw it in cash (we will not disclose the reasons here) 阅读全文
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Little Nastya has a hobby, she likes to remove some letters from word, to obtain another word. But it turns out to be pretty hard for her, because she 阅读全文
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C. Three displays time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output It is the middle of 201 阅读全文