func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve();   int main() {     ios::sync_with_stdio(0);     solve();     return 0;   }   int a[1000001];   void solve() {     int n, m;     cin >> n >> m;     for (int i = 0; i < n; ++i) {       int v;       cin >> v;       a[v]++;     }     for (int i = 0; i < m; ++i) {       int v;       cin >> v;       a[v]--;     }     int ans = 0;     int j = 0;     for (int i = 1; i <= 1000000; ++i) {       if (a[i] > 0) {         j = max(j, i);         bool f = 0;         while (j <= 1000000 && !f) {           if (a[j] < 0) {             a[j]++;             f = 1;           } else             j++;         }         ans += !f;       }     }     cout << ans <<   n ;   }   