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

Array Reversal

  • ravkapranap
     + 0 comments
    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. */
    for(i = 0; i < (num/2); i++){
            arr[i]= arr[i] + arr[num-(i+1)];
            arr[num-(i+1)] = arr[i] - arr[num-(i+1)];
            arr[i] = arr[i] - arr[num-(i+1)];
    }
    for(i=0; i<num; i++)printf("%d ",arr[i]);