last_arg

Your mission

Write a program that displays the final command-line argument followed by a newline.

See it in action

./last_arg deploy rollback hotfix

Expected result

hotfix

Your checklist

For your own tracking. Tests grade your code.

When at least one user argument is given, output only the last one.
When no user argument is provided (argc is 1), print wrong number of arguments followed by a newline.
The output must contain no leading or trailing spaces beyond the argument itself.

More examples

./last_arg ship-it

Expected result

ship-it

./last_arg

Expected result

wrong number of arguments

Constraints

Expected files

last_arg.c

Allowed functions

write

last_arg

Command line

Your mission

Write a program that displays the final command-line argument followed by a newline.

See it in action

./last_arg deploy rollback hotfix

Expected result

hotfix

Your checklist

For your own tracking. Tests grade your code.

When at least one user argument is given, output only the last one.
When no user argument is provided (argc is 1), print wrong number of arguments followed by a newline.
The output must contain no leading or trailing spaces beyond the argument itself.

More examples

./last_arg ship-it

Expected result

ship-it

./last_arg

Expected result

wrong number of arguments

Constraints

Expected files

last_arg.c

Allowed functions

write

Tests

Run the tests to grade your code

Build your code, then check each test here. Open a result to inspect its output.

Build

01No argumentsWaiting

02Three argumentsWaiting

03Single argumentWaiting

04Two argumentsWaiting

05Four argumentsWaiting

last_arg

Your mission

Write a program that displays the final command-line argument followed by a newline.

See it in action

./last_arg deploy rollback hotfix

Expected result

hotfix

Your checklist

For your own tracking. Tests grade your code.

When at least one user argument is given, output only the last one.
When no user argument is provided (argc is 1), print wrong number of arguments followed by a newline.
The output must contain no leading or trailing spaces beyond the argument itself.

More examples

./last_arg ship-it

Expected result

ship-it

./last_arg

Expected result

wrong number of arguments

Constraints

Expected files

last_arg.c

Allowed functions

write

last_arg

Command line

Your mission

Write a program that displays the final command-line argument followed by a newline.

See it in action

./last_arg deploy rollback hotfix

Expected result

hotfix

Your checklist

For your own tracking. Tests grade your code.

When at least one user argument is given, output only the last one.
When no user argument is provided (argc is 1), print wrong number of arguments followed by a newline.
The output must contain no leading or trailing spaces beyond the argument itself.

More examples

./last_arg ship-it

Expected result

ship-it

./last_arg

Expected result

wrong number of arguments

Constraints

Expected files

last_arg.c

Allowed functions

write

Tests

Run the tests to grade your code

Build your code, then check each test here. Open a result to inspect its output.

Build

01No argumentsWaiting

02Three argumentsWaiting

03Single argumentWaiting

04Two argumentsWaiting

05Four argumentsWaiting