func_code_string: #include <bits/stdc++.h>   #pragma GCC target( sse,sse2,sse3,sse3,sse4,popcnt,abm,mmx )   using namespace std;   const int mod = 1e9 + 7;   const int N = 2e5 + 4;   int a[N], v[N], s[N];   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int n, m, k;     cin >> n >> m >> k;     for (int i = 0; i < n; i++) {       cin >> a[i];       v[i] = 1;     }     sort(a, a + n);     int j = 0;     int res = 0;     int cur = 0;     for (int i = 0; i < n; i++) {       while (j < n && a[j] - a[i] < m) {         cur += v[j];         s[j] = cur;         if (cur >= k && v[j] == 1) {           v[j] = 0;           res++;           cur--;         }         j++;       }       if (v[i]) cur--;     }     cout << res <<   n ;     return 0;   }   