v0.40: Create exercises. Challenge the community.

argv_sum

Your mission

Write a program that adds all integer arguments passed to it and prints the total.

See it in action

./argv_sum 3 7 2

Expected result

Your checklist

For your own tracking. Tests grade your code.

Each argument is a string representing a positive or negative integer.
Convert every argument to its integer value and accumulate the total.
If no argument is provided, print 0 followed by a newline.
Otherwise print the sum followed by a newline.
Use only write.

More examples

./argv_sum -4 10

Expected result

./argv_sum

Expected result

Constraints

Expected files

argv_sum.c

Allowed functions

write

argv_sum

Command line

Your mission

Write a program that adds all integer arguments passed to it and prints the total.

See it in action

./argv_sum 3 7 2

Expected result

Your checklist

For your own tracking. Tests grade your code.

Each argument is a string representing a positive or negative integer.
Convert every argument to its integer value and accumulate the total.
If no argument is provided, print 0 followed by a newline.
Otherwise print the sum followed by a newline.
Use only write.

More examples

./argv_sum -4 10

Expected result

./argv_sum

Expected result

Constraints

Expected files

argv_sum.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

02Single argumentWaiting

03Three positivesWaiting

04Negative and positiveWaiting

05Sum 1 to 10Waiting

06All negativesWaiting

argv_sum

Your mission

Write a program that adds all integer arguments passed to it and prints the total.

See it in action

./argv_sum 3 7 2

Expected result

Your checklist

For your own tracking. Tests grade your code.

Each argument is a string representing a positive or negative integer.
Convert every argument to its integer value and accumulate the total.
If no argument is provided, print 0 followed by a newline.
Otherwise print the sum followed by a newline.
Use only write.

More examples

./argv_sum -4 10

Expected result

./argv_sum

Expected result

Constraints

Expected files

argv_sum.c

Allowed functions

write

v0.40: Create exercises. Challenge the community.

Meet Studio →

argv_sum

Command line

Your mission

Write a program that adds all integer arguments passed to it and prints the total.

See it in action

./argv_sum 3 7 2

Expected result

Your checklist

For your own tracking. Tests grade your code.

Each argument is a string representing a positive or negative integer.
Convert every argument to its integer value and accumulate the total.
If no argument is provided, print 0 followed by a newline.
Otherwise print the sum followed by a newline.
Use only write.

More examples

./argv_sum -4 10

Expected result

./argv_sum

Expected result

Constraints

Expected files

argv_sum.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

02Single argumentWaiting

03Three positivesWaiting

04Negative and positiveWaiting

05Sum 1 to 10Waiting

06All negativesWaiting