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  1. Prepare
  2. Algorithms
  3. Sorting
  4. Running Time of Algorithms
  5. Discussions

Running Time of Algorithms

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275 Discussions

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  • ahmedmhmouad41
     + 0 comments

    Did anyone try BASH solution it keep getting me Time limit exceeded?

  • yashdeora98294
     + 0 comments

    Here is problem solution in python java c++ c and Javascript - https://programmingoneonone.com/hackerrank-running-time-of-algorithms-problem-solution.html

  • alban_tyrex
     + 0 comments

    Here is my c++ solution, you can watch the explanation here : https://youtu.be/pAWOIEQemtc

    int runningTime(vector<int> arr) {
    int i,j;
    int value;
    int result = 0;
    for(i=1;i<arr.size();i++)
    {
        value=arr[i];
        j=i-1;
        while(j>=0 && value<arr[j])
        {
            arr[j+1]=arr[j];
            j=j-1;
            result ++;
        }
        arr[j+1]=value;
    }
    return result;
}

  • herlianaNoviar
     + 0 comments

    Here's my PHP solution:

    function runningTime($arr) {
    // Write your code here
    $total = 0;
    
    for ($i=0; $i < count($arr)-1; $i++) {
        $temp = 0;
        for ($j=$i+1; $j < count($arr); $j++) {
            if ($arr[$j] < $arr[$i]) {
                $temp = $arr[$j];
                // delete array $arr[$j]
                unset($arr[$j]);
                
                // insert in front of array
                array_splice( $arr, $i, 0, $temp );
                
                // count step
                $total = $total + ($j - $i);
                
                // re-index array
                $arr = array_values($arr);
            }
        }
    } 
    return $total;
}

  • kunalkawate424
     + 0 comments

    solution from my side

    count = 0
    for i in range(1, len(arr)):
        key = arr[i]
        j = i - 1

        while j >= 0 and key < arr[j]:
            count +=1
            arr[j + 1] = arr[j]
            j -= 1
        arr[j + 1] = key
    return count