01-试题-1-07

#include<iostream>usingnamespacestd;intmain(){int a,b,c;//声明三个变量cin>>a>>b>>c;//输入三个值//三种情况，两个数相同，并且与另一个不同，就满足条件if(a == b && b != c){cout<<"YES";    }elseif(a == c && a != b){cout<<"YES";    }elseif(b == c && b != a){cout<<"YES";    }else{cout<<"NO";    }return0;}