CS50 Ceaser

ceaser.c

/* CS50 solution. Feel free to check with any online compiler. To get credit from Harvard you may have to make a few changes.
hmu at s.velaga@uky.edu if you have any questions. Also I haven't learned about proper code style and formatting - 
if you wanna hmu to tell me this looks like shit and how to make it look better pls do */

#include <stdio.h> //includes fget and stdin //
#include <ctype.h>
#include <stdlib.h>
#include <string.h> //used for strlen //

int main()

{
    // Asks the user for some plaintext to cipher //

    char plaintext[100];

    printf("\nPlease entUer some text that you want encrypted. . . . ");
    fgets(plaintext,100,stdin);

    // Asks the user to enter in a key //

    int k;

    printf("\nPlease enter a positive integer value (this is your key!). . . . ");
    scanf("%d", &k);


    // separates each character of the plaintext string
    // turns plaintext characters into ASCII equivalents
    // adds the key to the ASCII #'s and then turns ASCII #'s' into characters again
    // prints out each character in the encrypted plaintext

    int num;
    char ASCnum;

    for (int i = 0, n = strlen(plaintext); i < n; i++)

        {
            if (plaintext[i]>= 'A' && plaintext[i] <= 'Z')
                {   num = plaintext[i] - 'A';
                    ASCnum = num + 65 + k % 26;
                    printf("\n%d", ASCnum);
                }

            else if (plaintext[i] >= 'a' && plaintext[i] <= 'z')
                {   num = plaintext[i] - 'a';
                    ASCnum = num + 97 + k % 26;
                    printf("\n%d", ASCnum);
                }
        }


    return 0;


}