90分求助

#include<bits/stdc++.h>
using namespace std;
struct stu{
	int c,m,e;
	int id;
	int z;
}s[100000];
int n;
	bool cmp(stu a,stu b){
		if (a.z!=b.z){
			return a.z>b.z;
		}else if(a.c!=b.c){
			return a.c>b.c;
		}else{
			return a.id<a.id;
		}
	}
int main(){
	cin>>n;
	for (int i = 1;i<=n;i++){
		cin>>s[i].c>>s[i].m>>s[i].e;
		s[i].id=i;
		s[i].z=s[i].c+s[i].m+s[i].e;
	}
	sort(s+1,s+1+n,cmp);
	for (int i = 1;i<=5;i++){
		cout<<s[i].id<<" "<<s[i].z<<endl;
	}
	return 0;
	}