func_code_string: #include <bits/stdc++.h>   const long double eps = 1e-10;   const int MOD = 1000000007;   using namespace std;   int a[200005], K, n;   int main() {     scanf( %d %d , &n, &K);     for (int i = 0; i < n; ++i) scanf( %d , a + i);     sort(a, a + n);     int ret = 0;     for (int i = 0; i < n - 1; ++i) {       int b = a[i] + K;       int low = i + 1, high = n;       while (low <= high) {         int mid = (low + high) >> 1;         if (a[mid] == a[i]) {           low = mid + 1;           continue;         }         if (a[mid] > a[i] && a[mid] <= b) {           ++ret;           break;         } else {           high = mid - 1;         }       }     }     printf( %d n , n - ret);     return 0;   }   