题解 | 2023_数的间隙_1186

#include<iostream>
#include<algorithm>

using namespace std;

int main() {
    int n, d;
    cin >> n >> d;
    int nums[n];
    for (int i = 0; i < n; i++) cin >> nums[i];
    sort(nums, nums + n);
    int ans = 1, prev = nums[0];
    for (int i = 1; i < n; i++) {
        if (nums[i] - prev > d) {
            ans++;
            prev = nums[i];
        }
    }
    cout << ans << endl;
    return 0;
}