func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, i;   double am, vm2, d, tant, ti, vm, t, s, daux, tfin;   int main() {     scanf( %d %lf %lf , &n, &am, &d);     tant = 0;     for (i = 0; i < n; i++) {       scanf( %lf %lf , &ti, &vm);       t = (vm / am);       s = 0.5 * (vm * vm / am);       daux = d - s;       if (daux < 0) {         vm2 = sqrt(2 * d * am);         tfin = vm2 / am;         tfin += ti;       } else {         tfin = daux / vm;         tfin += (ti + t);       }       if (tfin > tant) {         tant = tfin;       }       printf( %.10lf n , tant);     }     return 0;   }   