题解（简单版）

#include <iostream>
using namespace std;
int day(int H){
    if (H<10)return 1;
    else if (H%5!=0)return H/5;
    else return H/5-1;
}
int main(){
    int n;
    cin>>n;
    while (n--){
        int h;
        cin>>h;
        cout<<day(h)<<endl;
    }
}