func_code_string: #include <bits/stdc++.h>   int main() {     int a[10000], b = 1, i, n;     for (i = 1; i < 1000; i++) {       a[b] = i;       if (a[b] >= 100) {         a[b + 2] = a[b] % 10;         a[b + 1] = a[b] / 10 - a[b] / 100 * 10;         a[b] = a[b] / 100;         b += 3;       } else if (a[b] >= 10) {         a[b + 1] = a[b] % 10;         a[b] = a[b] / 10;         b += 2;       } else         b++;     }     scanf( %d , &n);     printf( %d , a[n]);   }   