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i am a beginner and need assistance with my assignment as our instructor didn't clearly explain how can it be done?
the assignment is to encrypt and decrypt a redirected text file using Caesar Cipher and that the text file should contain the key on the first line and the text starting from the second line. and if the key is + it should encrypt and if it is - it should decrypt a file. can anyone assist me with that and point out the important line of the code....plz.
Put the code you need help with here.
[/code]
Get this compiling.
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int main()
{


}


Then, add code to open a file and read the first line. http://www.cplusplus.com/doc/tutorial/files/
Add code to output what it read so you know it's working.
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