I just wrote the program for cs50 pset2 vigenere problem. It ran perfectly when I tried to run it, with expected output. But on submitting, cs50.me check50 shows that my program does not show the output, when it definitely does.

It runs perfectly. Please help!

#include <stdio.h>
#include <string.h>
#include <ctype.h>
int shift (char c);
int main(int argc, string argv[])
{
 if (argc != 2 || !isalpha(argv[1][0]))
 {
     printf("Usage: ./vignere keyword\n");
     return 1;
 }
 else
 {
     char key[100];
     for(int j=0; key[j] != '\0'; j++)
     {
         key[j] = shift(argv[1][j]);
     }
     string text = get_string("Plaintext: ");
     printf("ciphertext: ");
     int j = 0;
     for (int i = 0; text[i] != '\0'; i++)
     {            
         if (j == strlen(argv[1]))
         {
             j = 0;
         }
         if (islower(text[i]))
         {
             printf("%c",(((text[i] + key[j]) - 97) % 26) + 97);
         }
         else if (isupper(text[i]))
         {
             printf("%c",(((text[i] + key[j]) - 65) % 26) + 65);
         }
         j++;           
     }
     printf("\n");
     return 0;      
 }
}
int shift(char c)
{
 if (islower(c))
 {
     c -= 97;
 }
 else if (isupper(c))
 {
     c -= 65;
 }
 return c;
}

I just wrote the program for cs50 pset2 vigenere problem. It ran perfectly when I tried to run it, with expected output. But on submitting, cs50.me check50 shows that my program does not show the output, when it definitely does.

It runs perfectly. Please help!

#include <stdio.h>
#include <string.h>
#include <ctype.h>
int shift (char c);
int main(int argc, string argv[])
{
 if (argc != 2 || !isalpha(argv[1][0]))
 {
     printf("Usage: ./vignere keyword\n");
     return 1;
 }
 else
 {
     char key[100];
     for(int j=0; key[j] != '\0'; j++)
     {
         key[j] = shift(argv[1][j]);
     }
     string text = get_string("Plaintext: ");
     printf("ciphertext: ");
     int j = 0;
     for (int i = 0; text[i] != '\0'; i++)
     {            
         if (j == strlen(argv[1]))
         {
             j = 0;
         }
         if (islower(text[i]))
         {
             printf("%c",(((text[i] + key[j]) - 97) % 26) + 97);
         }
         else if (isupper(text[i]))
         {
             printf("%c",(((text[i] + key[j]) - 65) % 26) + 65);
         }
         j++;           
     }
     printf("\n");
     return 0;      
 }
}
int shift(char c)
{
 if (islower(c))
 {
     c -= 97;
 }
 else if (isupper(c))
 {
     c -= 65;
 }
 return c;
}

This is the link https://cs50.me/submit50/results/deku82/c9a713dbd8b4c5ed00e196906bbd8f3c23437440

I just wrote the program for cs50 pset2 vigenere problem. It ran perfectly when I tried to run it, with expected output. But on submitting, cs50.me check50 shows that my program does not show the output, when it definitely does.

It runs perfectly. Please help!

https://github.com/submit50/deku82/blob/81f986dea9d8165fff58e3697140982ecf512ca0/vigenere.c

I just wrote the program for cs50 pset2 vigenere problem. It ran perfectly when I tried to run it, with expected output. But on submitting, cs50.me check50 shows that my program does not show the output, when it definitely does.

It runs perfectly. Please help!

#include <stdio.h>
#include <string.h>
#include <ctype.h>
int shift (char c);
int main(int argc, string argv[])
{
 if (argc != 2 || !isalpha(argv[1][0]))
 {
     printf("Usage: ./vignere keyword\n");
     return 1;
 }
 else
 {
     char key[100];
     for(int j=0; key[j] != '\0'; j++)
     {
         key[j] = shift(argv[1][j]);
     }
     string text = get_string("Plaintext: ");
     printf("ciphertext: ");
     int j = 0;
     for (int i = 0; text[i] != '\0'; i++)
     {            
         if (j == strlen(argv[1]))
         {
             j = 0;
         }
         if (islower(text[i]))
         {
             printf("%c",(((text[i] + key[j]) - 97) % 26) + 97);
         }
         else if (isupper(text[i]))
         {
             printf("%c",(((text[i] + key[j]) - 65) % 26) + 65);
         }
         j++;           
     }
     printf("\n");
     return 0;      
 }
}
int shift(char c)
{
 if (islower(c))
 {
     c -= 97;
 }
 else if (isupper(c))
 {
     c -= 65;
 }
 return c;
}