func_code_string: #include <bits/stdc++.h>   int main() {     int x, h, m, hh, mm;     scanf( %d , &x);     scanf( %d%d , &h, &m);     hh = h, mm = m;     for (int i = 0; i <= 24 * 60; i++) {       int tmp = x * i;       h = hh, m = mm;       while (m < tmp) {         m += 60;         h--;         if (h == -1) h = 23;       }       m -= tmp;       if (m % 10 == 7 || m / 10 == 7 || h % 10 == 7 || h / 10 == 7) {         printf( %d n , i);         return 0;       }     }   }   