reverse_array.c

#include<stdio.h>
#define length 9
//https://www.studytonight.com/c/datatype-in-c.php/
//http://www.cplusplus.com/reference/cstdio/printf/
int main()
{
    short unsigned int num[length];

    for(int x=0; x<length;x++)  //Fill the array with numbers 0-length
        num[x]=x;
    for(int x=0; x<length;x++)  //Print initial array
        printf("%hu\n", num[x]);
    printf("\nReversing...\n\n");
    for(int x=0, y; x<length/2;x++)
    {
        y=num[x];
        num[x]=num[length-x-1];
        num[length-x-1]=y;
    }
    for(int x=0; x<length;x++)  //print reversed array
        printf("%hu\n", num[x]);
    return 0;
}