func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m;   int a[200005];   int v[200005];   int c[200005], lower;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     cout.tie(nullptr);     cerr.tie(nullptr);     int sol = 123123123;     cin >> n >> m;     for (int i = 1; i <= n; i++) cin >> a[i];     for (int i = 1; i <= m; i++) {       cin >> v[i];       if (c[i] < v[i]) lower++;     }     int j = 0;     for (int i = 1; i <= n; i++) {       while (j < n && lower > 0) {         j++;         c[a[j]]++;         if (c[a[j]] == v[a[j]]) lower--;       }       if (!lower) sol = min(sol, j - i + 1);       c[a[i]]--;       if (c[a[i]] == v[a[i]] - 1) lower++;     }     if (sol == 123123123)       sol = -1;     else       sol = sol - accumulate(v + 1, v + m + 1, 0);     cout << sol <<   n ;   }   