hdu 1027 STL next_permutation

求下一个排列模板

#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;

int main()
{
    int n,m;
    while(scanf("%d%d",&n,&m)!=EOF){
        int i;
        int a[1005];
        for(i=1;i<=n;i++) a[i]=i;
        m--;
        while(m--){
            next_permutation(a+1,a+1+n);
        }
        for(i=1;i<=n;i++){
            if(i==1) printf("%d",a[i]);
            else printf(" %d",a[i]);
        }
        printf("\n");
    }
}

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hdu 1027 STL next_permutation

原文：http://blog.csdn.net/cnh294141800/article/details/22955899