【題解】poj2420 A Star not a Tree? 模擬退火

題目鏈接 寫個srand((unsigned)time(0))還RE了，怒寫一發 八位質數AC（逃 #include<cstdio> #include<cmath> #include<ctime> #include<cstdlib> int n; double ansx,ansy,ans; struct node{ double x,y; }p[110]; double dis(double x

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