第45个题解

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