POJ 1298 史上最难的问题 3749 破译密码 G++

#include <iostream>#include <string>using namespace std;int main(){string start;string a[100];string end;int k=0;while(1){getline(cin,start,'\n');if(start=="ENDOFINPUT"){break;}getline(cin,a[k],'\n');//k++;for(int i=0;i<a[k].size();i++){if((a[k][i]>='F')&&(a[k][i]<='Z')){a[k][i]=a[k][i]-5;}else if((a[k][i]>='A')&&(a[k][i]<='E')){a[k][i]=a[k][i]+21;}else{//a[k][i]=a[k][i];}}k++;getline(cin,end,'\n');}for(int i=0;i<k;i++){cout<<a[i]<<endl;}return 0;}