我一直试图这么久,我似乎无法得到这个工作。程序一直参考每个输入值的第一个条件。有人知道代码有什么问题吗?C++如果其他条件
#include <iostream>
using namespace std;
int main()
{
int grade;
cout <<"Enter a grade between 0 and 100:";
cin>>grade;
if (0 <= grade <= 59){
cout<<"The grade for " <<grade<<" is F";
}
else if (60 <= grade <= 69){
cout<<"The grade for " <<grade<<" is D";
}
else if (70 <= grade <= 79){
cout<<"The grade for " <<grade<<" is C";
}
else if (80 <= grade <= 89){
cout<<"The grade for " <<grade<<" is B";
}
else if (90 <= grade <= 100){
cout<<"The grade for " <<grade<<" is A";
}
system("pause");
return 0;
}
替代同类每一个在一个旁注,看看[关于系统这个问题(“暂停”)(HTTP://计算器.COM /问题/ 1107705/systempause - 为什么 - 是 - 它-错误)。 – risingDarkness 2014-10-07 09:15:57