cs50 caesar.c

#include <cs50.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

int main(int argc, string argv[])
{
    if (argc != 2)
    return 1;


int k = atoi(argv[1]);
//we want to add the number of k to our plaintext - to do this we need to change from string to int (atoi)

string t = GetString(); //getting plaintext off user; we then need to convert each char in array to ascii value


int i;

    for (i=0; i<strlen(t);i++)
    
{   
    
                    
                           if (isupper(t[i]));
                                    {
                    
                                        printf ("%c",t[i]+k);
                                    }
                    
                                            if (islower(t[i]));
                                                    {
                                                        printf("%c", t[i]+k);
                                                    }
                    
}

}