ETH_Informatik/Informatik_I/Exercise_10/Task_1b

Task 1b: Understanding Pointers - Add

• Task Description
  • Input
  • Output
• Solution

Task Description

Complete the definition of function add by editing the file add.cpp according to its specified pre- and post conditions.

We provide a test program using the implemented function to add two values given by the user.

Input

Integers a, b.

For example

21 35

Output

The test program prints the sum of a and b.

For example, for the input given above this value is 56.

Solution

#include "add.h"

// PRE:  a, b, and res are valid pointers to integer values.
// POST: integer at location res contains the result of adding the integer at
//       location a and the integer at location b.
void add(int *res, const int *a, const int *b) { *res = *a + *b; }

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Made by JirR02 in Switzerland 🇨🇭