HDU4247 A Famous ICPC Team

#include<stdio.h>#include<string.h>#include<iostream>#include<algorithm>using namespace std;int main(){    long long int a[5];    int c=0;    while(scanf("%lld%lld%lld%lld",&a[0],&a[1],&a[2],&a[3])!=EOF)    {        sort(a,a+4);        cout<<"Case "<<++c<<": "<<a[3]+a[2]<<endl;    }    return 0;}

开始卡了一会，是想麻烦了，试了试就对了