#include <cstdio> #include <iostream> #include <cmath> using namespace std; int main() { int x0,y0,z0,x1,y1,z1; double PI=acos(-1); while(scanf("%d%d%d%d%d%d",&x0,&y0,&z0,&x1,&y1,&z1)!=EOF){ double radius=(x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)+(z0-z1)*(z0-z1); ...