Question

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
char a[27]=      {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',' '};
char A[27]= {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',' '};
string U[27]= {"AAAAA","AAAAB","AAABA","AAABB","AABAA","AABAB","AABBA","AABBB","ABAAA","ABAAB","ABABA","ABABB","ABBAA","ABBAB","ABBBA","ABBBB","BAAAA","BAAAB","BAABA","BAABB","BABAA","BABAB","BABBA","BABBB","BBAAA","BBAAB"," "};
char choiceNum;
while (true)
    {
cout<<"Choose what do you want to do  today"<<endl<<"1-cipher "<<endl<<"2-decipher"<<endl<<"3-If you End what you want"<<endl;
cin>>choiceNum;
cin.ignore();
string message, newMessage, message2;
int i,k, j ;
if (choiceNum=="1")
{
    cout<<"Enter your message to cipher ya man-.-"<<endl;


        newMessage="";
        getline(cin,message);

        for(i=0 ; i<message.length() ; i++)

        {
            for (j=0 ; j<27 ; j++)
            {
                if (message[i]==a[j]|| message[i]==A[j] )
                {
                    newMessage=newMessage+U[j];
                }

            }
        }
        cout<<newMessage<<endl;
    }


if (choiceNum=="2")
{
    cout<<"Enter your message to decipher ya man-.- :"<<endl;


        newMessage="";
        message2="";
        getline(cin,message);
        for(i=0 ; i<message.length() ; ++i)
        {
            if (message[i]=='a' || message[i]=='A')
            {
                message[i]='A';
            }
            else if (message[i]=='b' || message[i]=='B')
            {
                message[i]='B';
            }


        }

        for(k=0 ; k<message.length() ; ++k)
        {
            message2=message2+message[k];

            for (j=0 ; j<27 ; ++j)
            {

                if (message2==U[j])
                {

                    newMessage=newMessage+A[j];
                    message2="";
                }
            }
        }


        cout<<newMessage<<endl;

}
if (choiceNum=="3")
        {
            cout<<"End";
            break;
        }

          }



return 0;

|| ===构建文件：＆＃34;没有目标＆＃34; in＆＃34;没有项目＆＃34; （编译器：未知）=== | \ Baconian cipher.cpp ||在函数＆＃39; int main（）＆＃39;： \ Baconian cipher.cpp | 25 |错误：ISO C ++禁止指针和整数之间的比较[-fpermissive] | \ Baconian cipher.cpp | 49 |错误：ISO C ++禁止指针和整数之间的比较[-fpermissive] | \ Baconian cipher.cpp | 91 |错误：ISO C ++禁止指针和整数之间的比较[-fpermissive] | || ===构建失败：3个错误，0个警告（0分钟，5秒（秒））=== |

}

Answer 1

在C ++中'和"代表完全不同的东西。

这是一个char字符：

'x'

这是const char*字符串：

"x"

您无法使用"x"将char与==之类的内容进行比较，但您可以与'x'进行比较。

这是一个语法错误，但我没有找到它？

1 个答案: