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  1. Prepare
  2. C
  3. Arrays and Strings
  4. Array Reversal
  5. Discussions

Array Reversal

  • vincentkho10
     + 0 comments
    int main()
{
    int num, *arr, i;
    scanf("%d", &num);
    arr = (int*) malloc(num * sizeof(int));
    for(i = 0; i < num; i++) {
        scanf("%d", arr + i);
    }


    /* Write the logic to reverse the array. */
    int temp;
    for(i=num-1;i>=num/2;i--){
        temp = *(arr+((num-1)-i));
        *(arr+((num-1)-i)) = *(arr+i);
        *(arr + i) = temp;
    }
    
    for(i = 0; i < num; i++)
        printf("%d ", *(arr + i));
    return 0;
}