兄弟你那样后面有点套娃容易晕，看看我的 #include<iostream> using namespace std; int main() { int a=0,b=0,c=0,max=0,min=0; cin>>a>>b>>c; max=(a>b)?a:b; max=(max>c)?max:c; min=(a<b)?a:b; min=(min<c)?min:c; cout<<"The maximum number is : "<<max<<endl; cout<<"The minimum number is : "<<min<<endl; }