icp/oer/courses/c-basics/sections/03-functions/07-funktions/solution.c

34 lines
773 B
C

#include <stdio.h>
#include <stdlib.h>
// This function should swap two givin indecies of an given array.
void SwapElements(int Array[], int a, int b)
{
int temp = Array[a];
Array[a] = Array[b];
Array[b] = temp;
}
int main(int argc, const char *argv[])
{
// These lines turn the arguments from the commandline into ints
// We will talk about comandline parsing later
int ArrayCount = atoi(argv[1]);
int Element1 = atoi(argv[2]);
int Element2 = atoi(argv[3]);
int Array[ArrayCount];
for(int i = 0; i < ArrayCount; i++)
Array[i] = i+1;
// TODO: uncommend this line
SwapElements(Array, Element1, Element2); // This calles the funktion Swap Elements
for(int i = 0; i < ArrayCount; i++)
printf("Array[%d] = %d\n", i, Array[i]);
return 0;
}