21 lines
467 B
C++
21 lines
467 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int jsq = 0, a[10001], n;//t储存要交换的车厢
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int main() {
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cin >> n;
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for (int i = 0; i < n; i++) {
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cin >> a[i];
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}
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for (int i = 0; i < n - 1; i++) {
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for (int j = 0; j < n - 1; j++) {
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if (a[j] > a[j + 1]) {
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swap(a[j + 1], a[j]);
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jsq++;//记录交换次数
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}
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}
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}
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cout << jsq;
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return 0;
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} |