题解

$\large{当A=1时：}$
$\large{\because A=1}$
$\large{\therefore E=1}$
$\large{\because E \neq A}$
$\large{\therefore A\neq 1}$
$\large{同理可得:B\neq 1}$
$\large{当C=1时：}$
$\large{\because C=1}$
$\large{\therefore A=5}$
$\large{D \neq 1,D\neq 2}$
$\large{\therefore E\neq 1,E\ne2}$
$\large{\because E\ne2,E\ne3}$
$\large{A=5}$
$\large{\therefore E=4}$
$\large{\therefore D=3}$
$\large{\therefore B=2}$
$\large{综上,A=5,B=2,C=1,D=3,E=4}$

#include<bits/stdc++.h>
using namespace std;
int main()
{
    cout<<"5 2 1 3 4";
}