func_code_string: #include <bits/stdc++.h>   using namespace std;   map<int, int> used;   int main() {     int n, k;     scanf( %d %d , &n, &k);     int a[n];     long long ans = 0;     int p = 0;     for (int i = 0; i < n; i++) {       scanf( %d , &a[i]);       used[a[i]]++;       if (used[a[i]] == k) {         ans += (long long)(n - i);         while (1) {           used[a[p]]--;           if (a[p++] == a[i]) break;           ans += (long long)(n - i);         }       }     }     printf( %lld n , ans);     return 0;   }   