NYOJ_98 成绩转换

//成绩转换
#include<iostream>
using namespace std;
char countgrade(int m)
{
	char grade;
	if(m>=90) grade = 'A';
	else if (m>=80) grade ='B';
	else if (m>=70) grade ='C';
	else if (m>=60) grade ='D';
	else grade ='E';
	return grade;
}
int main()
{
	int n;
	cin>>n;
	int m;
	while(n--)
	{
		cin>>m;
		cout<<countgrade(m)<<endl;
	}	
	return 0;
}

switch(s/10)
{
case 10:
case 9:cout<<"A"<<endl;break;
case 8:cout<<"B"<<endl;break;
case 7:cout<<"C"<<endl;break;
case 6:cout<<"D"<<endl;break;
default:cout<<"E"<<endl;break;
}