题目传送门

#include<iostream>
using namespace std;
int main () {
    int a[10000],n,h=0;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
  			a[i]=a[i]%10-a[i]%100/10-a[i]%1000/100-a/100;
        if(a[i]>0){
            h=h+1;
        }
    }
    cout<<h;
    return 0;
}

OK,