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程序如下:
#include<iostream>
using namespace std;
int main(){
int ival;
while(cin>>ival){
switch(ival){
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
cout<<"Small"<<endl;
break;
case '6':
case '7':
case '8':
case '9':
cout<<"Big"<<endl;
break;
default:
cout<<"your input should lesser than 10\n";
} break;
cerr<<"???\n";
}
return 0;
}
执行后发现运行一次就结束了,奇怪了?
哪位能给指点指点?
谢谢! |
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