func_code_string: #include <bits/stdc++.h>   using namespace std;   const double eps = 1e-8;   char a[1010], b[1010];   int h = 0;   int main() {     scanf( %s , a);     int l = strlen(a);     int j = 0;     for (int i = 0; i < l; i++) {       b[j++] = a[i];       if (a[i] ==  > ) {         b[j] = 0;         if (b[1] ==  / ) h--;         for (int k = 0; k < 2 * h; k++) putchar(   );         if (b[1] !=  / ) h++;         puts(b);         j = 0;       }     }     return 0;   }   