check50/submit50 is not working

[wangbuyubobo]

can anyone help how i know why the check50 is not working. pop up error: invalid slug. i used yesterday ok but suddenly today is not working. i tried pin show check50, it came bake the token information properly. Thanks.

[22119795]

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

// Function declarations with clearer names
bool is_all_digits(string input);
string encrypt_text(string input_text, int key);

int main(int argc, string argv[])
{
// Ensure the program is executed with exactly one command-line argument
if (argc != 2 || !is_all_digits(argv[1]))
{
printf("Usage: ./caesar key\n");
return 1;
}

// Convert the key from a string to an integer
int key = atoi(argv[1]);

// Get the plaintext input from the user
string plaintext = get_string("Plaintext: ");

// Encrypt the plaintext
string ciphertext = encrypt_text(plaintext, key);

// Output the ciphertext
printf("Ciphertext: %s\n", ciphertext);

// Free allocated memory for ciphertext
free(ciphertext);

return 0;

}

// Check if all characters in the input string are digits
bool is_all_digits(string input)
{
for (int i = 0; i < strlen(input); i++)
{
if (!isdigit(input[i]))
{
return false;
}
}
return true;
}

// Encrypt the input text using the Caesar cipher
string encrypt_text(string input_text, int key)
{
// Allocate memory for the encrypted text
string encrypted_text = malloc(strlen(input_text) + 1);
if (!encrypted_text)
{
printf("Memory allocation failed.\n");
exit(1);
}

// Encrypt each character
for (int i = 0; i < strlen(input_text); i++)
{
    if (isalpha(input_text[i]))
    {
        if (islower(input_text[i]))
        {
            encrypted_text[i] = ((input_text[i] - 'a' + key) % 26) + 'a';
        }
        else
        {
            encrypted_text[i] = ((input_text[i] - 'A' + key) % 26) + 'A';
        }
    }
    else
    {
        encrypted_text[i] = input_text[i];
    }
}

// Null-terminate the encrypted string
encrypted_text[strlen(input_text)] = '\0';

return encrypted_text;

}

[22119795]

submit50 cs50/problems/2024/x/ceasar
#include <cs50.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <stdio.h>

// Function declarations with clearer names
bool is_all_digits(string input);
string encrypt_text(string input_text, int key);

int main(int argc, string argv[])
{
// Ensure the program is executed with exactly one command-line argument
if (argc != 2 || !is_all_digits(argv[1]))
{
printf("Usage: ./caesar key\n");
return 1;
}

// Convert the key from a string to an integer
int key = atoi(argv[1]);

// Get the plaintext input from the user
string plaintext = get_string("Plaintext: ");

// Encrypt the plaintext
string ciphertext = encrypt_text(plaintext, key);

// Output the ciphertext
printf("Ciphertext: %s\n", ciphertext);

// Free allocated memory for ciphertext
free(ciphertext);

return 0;

}

// Check if all characters in the input string are digits
bool is_all_digits(string input)
{
for (int i = 0; i < strlen(input); i++)
{
if (!isdigit(input[i]))
{
return false;
}
}
return true;
}

// Encrypt the input text using the Caesar cipher
string encrypt_text(string input_text, int key)
{
// Allocate memory for the encrypted text
string encrypted_text = malloc(strlen(input_text) + 1);
if (!encrypted_text)
{
printf("Memory allocation failed.\n");
exit(1);
}

// Encrypt each character
for (int i = 0; i < strlen(input_text); i++)
{
    if (isalpha(input_text[i]))
    {
        if (islower(input_text[i]))
        {
            encrypted_text[i] = ((input_text[i] - 'a' + key) % 26) + 'a';
        }
        else
        {
            encrypted_text[i] = ((input_text[i] - 'A' + key) % 26) + 'A';
        }
    }
    else
    {
        encrypted_text[i] = input_text[i];
    }
}

// Null-terminate the encrypted string
encrypted_text[strlen(input_text)] = '\0';

return encrypted_text;

}

[dmalan]

Best to post in any of CS50's communities, https://cs50.harvard.edu/x/communities/, so that any of us can answer! Or you can ask the duck at cs50.ai!

[22119795]

I like my homework

[22119795]

cs50