func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int ara[1000000];   int wow[7 * 22000];   void make_wow(int x) {     int xx;     int l;     int k = 1;     stack<int> s;     for (int i = 1; i <= x; i++) {       xx = i;       while (xx != 0) {         l = xx % 10;         xx /= 10;         s.push(l);       }       while (!s.empty()) {         wow[k++] = s.top();         s.pop();       }     }   }   int find_block(int x, int b) {     for (int i = 1; i <= b; i++) {       if (ara[i] >= x) return i - 1;     }   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int q;     cin >> q;     int k = 1;     int i = 1;     int b = 1;     long long int sum = 0, x, lb;     while (ara[b - 1] <= 1000000000) {       sum += log10(i++) + 1;       ara[b] = ara[b - 1] + sum;       b++;     }     make_wow(b);     while (q--) {       cin >> x;       cout << wow[x - ara[find_block(x, b)]] << endl;     }     return 0;   }   