func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 1e6 + 5;   int a[maxn], cnt[maxn];   int main() {     int n, m, k;     cin >> n >> m >> k;     for (int i = 1; i <= n; i++) {       cin >> a[i];     }     int l = 1, r = 1;     int ans = 0;     cnt[a[1]]++;     while (l <= n) {       if (((r - l + 1) - cnt[a[l]]) <= k) {         ans = max(ans, cnt[a[l]]);         if (r < n) {           r++;           cnt[a[r]]++;         } else {           cnt[a[l]]--;           l++;         }       } else {         cnt[a[l]]--;         l++;       }     }     cout << ans << endl;     return 0;   }   