全排列 next_permutation c++ stl

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a[15];
    int n;
    scanf("%d",&n);
    for(int i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
    }
    sort(a,a+n);//必须排序
    do
    {
        for(int i=0;i<n;i++)
        {
            printf("%d ",a[i]);
        }
        printf("\n");
    }while(next_permutation(a,a+n));
    return 0;
}

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转载自blog.csdn.net/cpx17852033609/article/details/84722948
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