func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t, c, i, a, m, l, r;     cin >> t >> i >> m >> a >> l;     r = i;     c = 1;     t = t - r;     while (t > 0) {       c++;       r = r + a;       if (r > m) r = m;       t = t + l - r;       if (t < 0) t = 0;     }     cout << c;     return 0;   }   