📄 p1-26.cpp
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#include <iostream.h>
main()
{
int score;
//从键盘上输入分数
cout<<"score=";
cin>>score;
//用带else if的条件语句判断处理
if (score<0 || score>100)
{
cout<<"The score is out of range!"<<endl;
}
else if (score>=90)
cout<<"Your grade is a A."<<endl;
else if (score>=80)
cout<<"Your grade is a B."<<endl;
else if (score>=70)
cout<<"Your grade is a C."<<endl;
else if (score>=60)
cout<<"Your grade is a D."<<endl;
else
cout<<"Your grade is a E."<<endl;
}
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