Reverse an Array In-Place

Code

#include <stdio.h>

void reverse_array(int arr[], int n) {
    // Your logic here
    for(int i=0; i<n; i++)
    {
        int corner_val=arr[0];
        for(int j = 0; j<(n-i); j++)
        {
            arr[j] = arr[j+1];
        }
        arr[n-(i+1)] = corner_val;
    }
        for (int i = 0; i < n; i++) 
        {
            printf("%d", arr[i]);
            if(i < n-1){
            printf(" ");
        }
    }
}

int main() {
    int n;
    scanf("%d", &n);

    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    reverse_array(arr, n);
    return 0;
}

Solving Approach

 

 

 

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Input

5 1 2 3 4 5

Expected Output

5 4 3 2 1