onealwjwjwjwj的专栏

<br />先计算每两点的距离，然后用prime<br />#include<stdio.h> #include<math.h> float matr[100][100],weight[100], x[100],y[100]; int main() { int n,i,j,k;float sum = 0,min = 0; scanf("%d",&n); for(i = 0;i < n;i++) scanf("%f%f",&x[i],&y[i]); for(i = 0;i