sort RE!

sort垃圾

#include<bits/stdc++.h>
using namespace std;
struct score{
    int ID,Chinese,Math,English;
};
score student[301];
bool cmp(score a,score b){
    if(a.Chinese+a.Math+a.English>b.Chinese+b.Math+b.English){
        return true;
    }
    if(a.Chinese+a.Math+a.English==b.Chinese+b.Math+b.English){
        if(a.Chinese>b.Chinese){
            return true;
        }
        if(a.Chinese==b.Chinese){
            return a.ID<b.ID;
        }
        else{
            return false;
        }
    }
    else{
        return false;
    }
}
int main(){
    int i0,n;
    scanf("%d",&n);
    for(i0=0;i0<n;i0++){
        scanf("%d%d%d",&student[i0].Chinese,&student[i0].Math,&student[i0].English);
        student[i0].ID=i0+1;
    }
    sort(student,student+4*n-1,cmp);
    for(i0=0;i0<5;i0++){
        printf("%d %d\n",student[i0].ID,student[i0].Chinese+student[i0].Math+student[i0].English);
    }
    return 0;
}