2019年3月18日

Sigma Function (平方数与平方数*2的约数和是奇数)

摘要: Sigma Function https://vjudge.net/contest/288520#problem/D Sigma function is an interesting function in Number Theory. It is denoted by the Greek lett 阅读全文

posted @ 2019-03-18 11:56 Fighting_sh 阅读(177) 评论(0) 推荐(0) 编辑

Leading and Trailing (数论)

摘要: Leading and Trailing https://vjudge.net/contest/288520#problem/E You are given two integers: n and k, your task is to find the most significant three 阅读全文

posted @ 2019-03-18 11:19 Fighting_sh 阅读(183) 评论(0) 推荐(0) 编辑

Codeforces Round #518 (Div. 2) [Thanks, Mail.Ru!]

摘要: Codeforces Round #518 (Div. 2) [Thanks, Mail.Ru!] https://codeforces.com/contest/1068 A 1 #include<bits/stdc++.h> 2 using namespace std; 3 #define lso 阅读全文

posted @ 2019-03-18 10:08 Fighting_sh 阅读(214) 评论(0) 推荐(0) 编辑

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