func_code_string: #include <bits/stdc++.h>   using namespace std;   int x1, yy1, r1, R1;   int x2, y2, r2, R2;   int dis;   inline bool inside(int r, int R) {     double dist = sqrt((double)dis);     if (dist <= double(R - r)) return true;     return false;   }   inline bool outside(int r, int R) {     double dist = sqrt((double)dis);     if (dist >= double(R + r)) return true;     return false;   }   int main() {     scanf( %d%d%d%d , &x1, &yy1, &r1, &R1);     scanf( %d%d%d%d , &x2, &y2, &r2, &R2);     dis = (x1 - x2) * (x1 - x2) + (yy1 - y2) * (yy1 - y2);     if (R1 > R2) {       swap(x1, x2);       swap(yy1, y2);       swap(r1, r2);       swap(R1, R2);     }     int ans = 0;     if (inside(r1, r2) || outside(r1, R2)) ans++;     if (inside(R1, r2) || outside(R1, R2)) ans++;     if (inside(R1, r2) || inside(r2, r1) || outside(r2, R1)) ans++;     if (inside(R1, R2) || outside(R1, R2)) ans++;     printf( %d , ans);     return 0;   }   