hdu_1027(好吧。。。牛。。。next_permutation也可以水过)

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
const int N = 1010;
int tm[N];
int main()
{
    int n, m;
    while (~scanf("%d%d", &n, &m))
    {
        for (int i = 1; i <= n; i++) {
            tm[i] = i;
        }
        m--;
        while (m--) {
            next_permutation(tm + 1, tm + n + 1);
        }
        for (int i = 1; i < n; i++)
            printf("%d ", tm[i]);
        printf("%d
", tm[n]);
    }
}