swap_int

Pointers16

Objective

Implement a function that exchanges the values stored at two integer addresses.

Steps

The function takes two pointers to integers as parameters.
After the call, each pointer must point to the value the other held before.
Use a local temporary variable to perform the exchange.
Do not dereference any pointer more than necessary.

examples

$ int x = 7, y = 99; swap_int(&x, &y);

x = 99, y = 7

$ int x = 0, y = -3; swap_int(&x, &y);

x = -3, y = 0

Constraints

Expected files

swap_int.c

Allowed functions

None. Write every helper yourself.

Tests

Run the tests to grade your code

Build

01Basic swap

02Zero and negative

03Large difference

04Both negative

05Equal values

swap_int

Objective

Implement a function that exchanges the values stored at two integer addresses.

Steps

The function takes two pointers to integers as parameters.
After the call, each pointer must point to the value the other held before.
Use a local temporary variable to perform the exchange.
Do not dereference any pointer more than necessary.

examples

$ int x = 7, y = 99; swap_int(&x, &y);

x = 99, y = 7

$ int x = 0, y = -3; swap_int(&x, &y);

x = -3, y = 0

Constraints

Expected files

swap_int.c

Allowed functions

None. Write every helper yourself.

swap_int

Pointers16

Objective

Implement a function that exchanges the values stored at two integer addresses.

Steps

The function takes two pointers to integers as parameters.
After the call, each pointer must point to the value the other held before.
Use a local temporary variable to perform the exchange.
Do not dereference any pointer more than necessary.

examples

$ int x = 7, y = 99; swap_int(&x, &y);

x = 99, y = 7

$ int x = 0, y = -3; swap_int(&x, &y);

x = -3, y = 0

Constraints

Expected files

swap_int.c

Allowed functions

None. Write every helper yourself.

Tests

Run the tests to grade your code

Build

01Basic swap

02Zero and negative

03Large difference

04Both negative

05Equal values