Reverse the order of a n-element array in C What am I doing incorrectly and how can I fix? My code: #include sort(int *p, int m) { //Write your code here for(int i = 0; i

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Reverse the order of a n-element array in C

What am I doing incorrectly and how can I fix?

My code:

#include <stdio.h>

sort(int *p, int m)

{

//Write your code here

for(int i = 0; i<n/2; i++){ temp = arr[i]; arr[i] = arr[n-i-1]; arr[n-i-1] = temp; }

}

main(){

    int i, n;

    int *p, num[20];

    printf("input n:");

    scanf("%d", &n);

    printf("please input these numbers:\n");

    for (i = 0; i < n; i++)

        scanf("%d", &num[i]);

    p = &num[0];

    sort(p, n);

    printf("Now, the sequence is:\n");

    for (i = 0; i < n; i++)

        printf("%d ", num[i]);

}

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