func_code_string: #include <bits/stdc++.h>   using namespace std;   bool check(int x1, int y1, int r1, int x2, int y2, int r2, int R2) {     int l = (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2);     int rr1 = (r1 - r2) * (r1 - r2);     int rr2 = (r1 + r2) * (r1 + r2);     int RR1 = (r1 - R2) * (r1 - R2);     int RR2 = (r1 + R2) * (r1 + R2);     if (l <= rr1 && l <= RR1 && (r1 <= r2 || r1 >= R2)) return 1;     if (rr2 <= l && RR2 <= l) return 1;     return 0;   }   int main() {     int x1, y1, r1, R1, x2, y2, r2, R2;     while (scanf( %d %d %d %d , &x1, &y1, &r1, &R1) != EOF) {       scanf( %d %d %d %d , &x2, &y2, &r2, &R2);       int ans = 0;       if (check(x1, y1, r1, x2, y2, r2, R2)) ans++;       if (check(x1, y1, R1, x2, y2, r2, R2)) ans++;       if (check(x2, y2, r2, x1, y1, r1, R1)) ans++;       if (check(x2, y2, R2, x1, y1, r1, R1)) ans++;       printf( %d n , ans);     }     return 0;   }   