c++编写一个完整的程序,运行时向用户提问 你考试考虑多少分(0-100)?

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热心网友

#include <iostream>
using namespace std;
void main()
{
cout<<"你考试考了多少分”（0-100）:"<<endl;
int i;
cin>>i;
if(i<=100&&i>=90)cout<<"\n优";
if(i<=90&&i>=80)cout<<"\n良";
if(i<=80&&i>=60)cout<<"\n中";
if(i<=60&&i>=0)cout<<"\n差";

}

热心网友

#include<iostream>
using std::cout;
using std::endl;
using std::cin;

int main()
{
int i;
cout<<"你考试考了多少分：";
cin>>i;
cout<<endl;
if(i>100 || i<0)
cout<<"输入成绩错误"<<endl;
else
{
switch(i%10)
{
case 10:
case 9:
cout<<"优"<<endl;
break;
case 8:
cout<<"良"<<endl;
break;
case 7:
case 6:
cout<<"中"<<endl;
break;
case 5:
case 4:
case 3:
case 2:
case 1:
case 0:
cout<<"差"<<endl;
break;
//default:
}
}
return 0;
}