func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string ans, s;     int n, t, p;     char ch;     scanf( %d , &n);     ans.clear();     for (int i = 1; i <= n; i++) {       t = i;       s.clear();       while (t > 0) {         p = t % 10;         ch = p +  0 ;         s = ch + s;         t = t / 10;       }       ans = ans + s;     }     cout << ans[n - 1] << endl;     return 0;   }   