func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long M = 1e6 + 5;   const long long mod = 1e9 + 7;   void solve() {     long long n;     cin >> n;     long long a = n / 10;     long long b = n % 10;     long long ans = a + (b == 9);     cout << ans;   }   signed main() {     ios::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long T = 1;     cin >> T;     while (T-- > 0) {       solve();       cout <<   n ;     }     return 0;   }   