check50

cs50/problems/2024/x/substitution

:) substitution.c exists

Log checking that substitution.c exists...

:) substitution.c compiles

Log running clang substitution.c -o substitution -std=c11 -ggdb -lm -lcs50...

:( encrypts "A" as "Z" using ZYXWVUTSRQPONMLKJIHGFEDCBA as key

Cause
expected "ciphertext: Z\...", not "ciphertext: \x..."

Log running ./substitution ZYXWVUTSRQPONMLKJIHGFEDCBA... sending input A... checking for output "ciphertext: Z\n"...

Expected Output:

ciphertext: Z\n

Actual Output:

ciphertext: \x00\n

:( encrypts "a" as "z" using ZYXWVUTSRQPONMLKJIHGFEDCBA as key

Cause
expected "ciphertext: z\...", not "ciphertext: \x..."

Log running ./substitution ZYXWVUTSRQPONMLKJIHGFEDCBA... sending input a... checking for output "ciphertext: z\n"...

Expected Output:

ciphertext: z\n

Actual Output:

ciphertext: \x00\n

:( encrypts "ABC" as "NJQ" using NJQSUYBRXMOPFTHZVAWCGILKED as key

Cause
expected "ciphertext: NJ...", not "ciphertext: \x..."

Log running ./substitution NJQSUYBRXMOPFTHZVAWCGILKED... sending input ABC... checking for output "ciphertext: NJQ\n"...

Expected Output:

ciphertext: NJQ\n

Actual Output:

ciphertext: \x00\x00\x00\n

:( encrypts "XyZ" as "KeD" using NJQSUYBRXMOPFTHZVAWCGILKED as key

Cause
expected "ciphertext: Ke...", not "ciphertext: \x..."

Log running ./substitution NJQSUYBRXMOPFTHZVAWCGILKED... sending input XyZ... checking for output "ciphertext: KeD\n"...

Expected Output:

ciphertext: KeD\n

Actual Output:

ciphertext: \x00\x00\x00\n

:( encrypts "This is CS50" as "Cbah ah KH50" using YUKFRNLBAVMWZTEOGXHCIPJSQD as key

Cause
expected "ciphertext: Cb...", not "ciphertext: \x..."

Log running ./substitution YUKFRNLBAVMWZTEOGXHCIPJSQD... sending input This is CS50... checking for output "ciphertext: Cbah ah KH50\n"...

Expected Output:

ciphertext: Cbah ah KH50\n

Actual Output:

ciphertext: \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n

:( encrypts "This is CS50" as "Cbah ah KH50" using yukfrnlbavmwzteogxhcipjsqd as key

Cause
expected "ciphertext: Cb...", not "ciphertext: \x..."

Log running ./substitution yukfrnlbavmwzteogxhcipjsqd... sending input This is CS50... checking for output "ciphertext: Cbah ah KH50\n"...

Expected Output:

ciphertext: Cbah ah KH50\n

Actual Output:

ciphertext: \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n

:( encrypts "This is CS50" as "Cbah ah KH50" using YUKFRNLBAVMWZteogxhcipjsqd as key

Cause
expected "ciphertext: Cb...", not "ciphertext: \x..."

Log running ./substitution YUKFRNLBAVMWZteogxhcipjsqd... sending input This is CS50... checking for output "ciphertext: Cbah ah KH50\n"...

Expected Output:

ciphertext: Cbah ah KH50\n

Actual Output:

ciphertext: \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n

:( encrypts all alphabetic characters using DWUSXNPQKEGCZFJBTLYROHIAVM as key

Cause
output not valid ASCII text

Log running ./substitution DWUSXNPQKEGCZFJBTLYROHIAVM... sending input The quick brown fox jumps over the lazy dog... checking for output "ciphertext: Rqx tokug wljif nja eozby jhxl rqx cdmv sjp\n"...

:( does not encrypt non-alphabetical characters using DWUSXNPQKEGCZFJBTLYROHIAVM as key

Cause
output not valid ASCII text

Log running ./substitution DWUSXNPQKEGCZFJBTLYROHIAVM... sending input Shh... Don't tell!... checking for output "ciphertext: Yqq... Sjf'r rxcc!\n"...

:) handles lack of key

Log running ./substitution... checking that program exited with status 1...

:) handles too many arguments

Log running ./substitution abcdefghijklmnopqrstuvwxyz abc... checking that program exited with status 1...

:) handles invalid key length

Log running ./substitution QTXDGMKIPV... checking that program exited with status 1...

:) handles invalid characters in key

Log running ./substitution ZWGKPMJ^YISHFEXQON[DLUACVT... checking that program exited with status 1...

:) handles duplicate characters in uppercase key

Log running ./substitution FAZRDTMGQEJPWAXUSKVIYCLONH... checking that program exited with status 1...

:) handles duplicate characters in lowercase key

Log running ./substitution fazrdtmgqejpwaxuskviyclonh... checking that program exited with status 1...

:) handles multiple duplicate characters in key

Log running ./substitution MMCcEFGHIJKLMNOPqRqTUVWXeZ... checking that program exited with status 1...