C. Polygon for the Angle Educational Codeforces Round 57 (Rated for Div. 2)

C. Polygon for the Angle 题意：给你一个角度，让你求出存在此角度的最小正多边形，不存在输出-1； 题解:暴力，看代码注释 代码 #include <iostream> #include <bits/stdc++.h> using namespace std; #define int double signed main(){ int t; cin>>t;

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