func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long n, m, ans = 0;     cin >> n;     long long boy[n];     for (long long i = 0; i < n; i++) cin >> boy[i];     cin >> m;     long long girl[m];     for (long long i = 0; i < m; i++) cin >> girl[i];     sort(boy, boy + n);     sort(girl, girl + m);     for (long long i = 0; i < n; i++) {       for (long long j = 0; j < m; j++) {         if (abs(boy[i] - girl[j]) <= 1) {           ans++;           girl[j] = 200;           break;         }       }     }     cout << ans <<   n ;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int t = 1;     while (t--) {       solve();     }     return 0;   }   