CF891B.Gluttony
普及/提高-
通过率:0%
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题目描述
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S=x1,x2,...,xk ( 1<=xi<=n , 0<k<n ) the sums of elements on that positions in a and b are different, i. e.
输入格式
The first line contains one integer n ( 1<=n<=22 ) — the size of the array.
The second line contains n space-separated distinct integers a1,a2,...,an ( 0<=ai<=109 ) — the elements of the array.
输出格式
If there is no such array b , print -1.
Otherwise in the only line print n space-separated integers b1,b2,...,bn . Note that b must be a permutation of a .
If there are multiple answers, print any of them.
输入输出样例
输入#1
2 1 2
输出#1
2 1
输入#2
4 1000 100 10 1
输出#2
100 1 1000 10
说明/提示
An array x is a permutation of y , if we can shuffle elements of y such that it will coincide with x .
Note that the empty subset and the subset containing all indices are not counted.