24 lines
508 B
C++
24 lines
508 B
C++
#include<bits/stdc++.h>
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using namespace std;
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//定义大数组，放在主函数外边
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int a[1000001], n, f, i, j, k;
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int main() {
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cin >> n >> f;
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for (i = 1; i <= n; ++i)
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cin >> a[i];
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k = 0;
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//对数组进行一次排序
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sort(a + 1, a + (n + 1));
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//双重循环
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for (i = 1; i < n; i++)
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for (j = i + 1; j <= n; ++j) {
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if (a[j] - a[i] > f)
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break;
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k++;
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}
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cout << k << endl;
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return 0;
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} |