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I want to know how to write a program to print
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
Input = A M
output = N z

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Its simple just use if else statements

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// Caesar Shift Encryption
// character: Plaintext input
// shift: Integer value of how far to shift right
result = ( ( ( character - 65 ) + shift ) % 26 ) + 65 ;
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// Caesar Shift Encryption
// character: Plaintext input
// shift: Integer value of how far to shift right
result = ( ( ( character - 65 ) + shift ) % 26 ) + 65 ;

Hmmm... Interesting... What would the output be for a lower case letter such as 'a' given a shift value of 8?

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Hi Bob,

The solution I posted was just for the given input set.
The following extends it to the printable ascii characters...

result = ( ( ( character - 32 ) + shift ) % 95 ) + 32 ;