func_code_string: #include <bits/stdc++.h>   int main() {     int i, j, l, flag;     char arr[1000100], arr2[1000100];     gets(arr);     l = strlen(arr);     for (flag = 0, j = 0, i = 0; i < l - 1; i++) {       if (arr[i] ==  0  && flag == 0) {         flag = 1;         continue;       } else         arr2[j++] = arr[i];     }     if (flag == 1) arr2[j++] = arr[l - 1];     printf( %s n , arr2);     return 0;   }   