求助,哪里不对

#include<iostream>
using namespace std;
int N=1020;
struct node{
    int id;
    double ab,bc;
    int cd;
    double a_cd;
} a[N];
int main() {
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i].id>>a[i].ab>>a[i].bc;
        a[i].cd=a[i].ab+a[i].bc;
        a[i].a_cd=a[i].ab*0.7+a[i].bc*0.3;
    }
    for(int i=1;i<=n;i++){
        if (a[i].cd>140&&a[i].a_cd>=80){
            cout<<"Excellent"<<endl;
        }
        else{
            cout<<"Not excellent"<<endl;
        }
    }
    return 0;
}