POJ-1248

#include<iostream>#include<string>using namespace std;int main(int argc, char *argv[]){string cipher;while(getline(cin,cipher),cipher!="ENDOFINPUT"){if(cipher=="START"||cipher=="END"){continue;}string plainText="";for(int i=0;i<cipher.length();i++){if(cipher[i]>='A' && cipher[i]<='Z'){if(cipher[i]-5<'A'){plainText+=cipher[i]+25-4;//cout<<plainText<<endl;}else{plainText+=cipher[i]-5;//cout<<plainText<<endl;}}else{plainText+=cipher[i];//cout<<plainText<<endl;}}cout<<plainText<<endl;}return 0;}