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C++ (用cin.ignore解决疑难问题)#include<iostream>
#include<string>
using namespace std;
int main()
{
while(true)
{
string start;
cin>>start;
if(start=="ENDOFINPUT")break;
string text;
cin.ignore(1024,'\n');//关键步骤
getline(cin,text);
int K;
for(K=0;K<text.size();++K)
{
if('A'<=text[K] && text[K]<='Z')
{
if(text[K]<'A'+5)text[K]+=21;
else text[K]-=5;
}
}
string end;
cin>>end;
cout<<text<<endl;
}
return 0;
}
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