www.pudn.com > Caesar.rar > Caesar.cpp

#include 
#include 
void main() 
{ 
	int key=0; 
	char text[8000]={0}; 
	char te[100]; 
	//cin>>te; 
    //te="fewfe wefe"; 
	cin>>key; 
	ifstream fin; 
	ofstream fout; 
	fout.open ("g:\cipher.sp",ios::noreplace||ios::nocreate); 
	fin.open ("g:\plain.pl",ios::in); 
	if(!fout) 
	{ 
		cout<<"Can't open the file cipher.sp"<='a'&&text[i]<='z') 
		{ 
			text[i]=(text[i]-'a'+key)%26+'a'; 
		} 
		if(text[i]>='A'&&text[i]<='Z') 
		{ 
			text[i]=(text[i]-'A'+key)%26+'A'; 
		} 
 
	} 
	fout.write (text,sizeof(text)); 
	fin.close() ; 
	fout.close() ; 
	 
}