还有10分拿不到不知道怎么回事

#include<bits/stdc++.h>

using namespace std;

int ji(int x,int y)

{

int s;

s=x+y;

return s;

};

struct student

{

int num,xueye,suzhi,zonghe,k;

};

student stu[10000];

int ikun(int m,int n)

{

int t=0;

if(m>140&&n>=80)

  t=1;

else

t=0;

return t;

};

int main()

{

int N,h;

cin>>N;

for(int i=1;i<=N;i++)

{

	cin>>stu[i].num;

	cin>>stu[i].xueye;

	cin>>stu[i].suzhi;

	stu[i].zonghe=0.7*stu[i].xueye+0.3*stu[i].suzhi;

	stu[i].k=ji(stu[i].xueye,stu[i].suzhi);

h=ikun(stu[i].k,stu[i].zonghe);

if(h==1)

  cout<<"Excellent"<<endl;

else if(h==0)

  cout<<"Not excellent"<<endl;}

return 0;

}

//洛谷上加了注释:
//本题存在精度误差问题，请将 a * 0.7 + b * 0.3 与 80 比较 转化为 a * 7 + b * 3 与 800 比较。
#include<bits/stdc++.h>
using namespace std;
struct student
{
	char xuehao[10010];
	double sor7;
	double sor3;
};
int main()
{
	student a;
	int m;
	cin>>m;
	for(int i=1;i<=m;i++)
	{
		cin>>a.xuehao;
		cin>>a.sor7;
		cin>>a.sor3;
		if(a.sor3*3+a.sor7*7>=800&&a.sor3+a.sor7>140) cout<<"Excellent"<<'\n';
		else cout<<"Not excellent"<<'\n';
	}
	 
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
struct node {
    int id;
    double sc1, sc2;
    int score;
    double final_score;
}a[100000];
int main() {
    int n;
    cin >> n;
    for(int i=0; i<n; i++) {
        cin >> a[i].id >> a[i].sc1 >> a[i].sc2;
        a[i].score = a[i].sc1 + a[i].sc2;
        a[i].final_score = a[i].sc1 * 0.7 + a[i].sc2 * 0.3;//??????
    }
    for(int i=0; i<n; i++) {
        if(a[i].score > 140 && a[i].final_score >= 80) {//?????
            cout << "Excellent" << endl;
        }
        else {
            cout << "Not excellent" << endl;
        }
    }
    return 0;
}