func_code_string: #include <bits/stdc++.h>   double vp, vd, t, f, c;   int main() {     scanf( %lf%lf%lf%lf%lf , &vp, &vd, &t, &f, &c);     double x = vp * t;     int ans = 0;     if (vp > vd) {       puts( 0 );       return 0;     }     while (x + 1e-6 < c) {       double needtime = x / (vd - vp);       double willx = x + needtime * vp;       if (willx + 1e-6 >= c) break;       ans++;       t += needtime * 2 + f;       x = vp * t;     }     printf( %d n , ans);     return 0;   }   