题解

啥也不说了上代码

#include<iostream>
using namespace std;
int main(){
    int a,b,c;
    cin>>a>>b>>c;
    if(a+b<=c||a+c<=b||b+c<=a)cout<<"error";
    else if(a==b&&b==c)cout<<"aaa";
    else if(a==b||a==c||b==c)cout<<"aab";
    else cout<<"abc";
    return 0;
}