作者：英语yyds 链接：https://ac.nowcoder.com/discuss/1092067?type=101&;order=0&;pos=6&;page=1&;channel=-1&;source_id=1 来源：牛客网 #include<iostream> using namespace std; int main() { int a,b,c,sum,n,count; a=b=c=0; sum=0; do { cin>>n; count++; switch(n) { case 1: a++; break; case 2: b++; break; case 3: c++; break; }while(n!=-1); sum=a+b+c; count/=2; cout<<"A="<<a<<endl; cout<<"B="<<b<<endl; cout<<"C="<<c<<endl; cout<<"Tot="<<sum<<endl; if(a>count) cout<<"A-yes"<<endl; else if(b>count) cout<<"B-yes"<<endl; else if(c>count) cout<<"C-yes"<<endl; else cout<<"all-NO"<<endl; return 0; 是这个