Krisa

#include<iostream>
using namespace std;

void swap(long long *xp, long long *yp)
{
    int temp = *xp;
    *xp = *yp;
    *yp = temp;
}
int sevenCount(long long arrN)
{
    int count = 0;
    while (arrN > 0)
    {
        int digit = arrN%10;
        if(digit == 7)
        {
            count++;
        }
        arrN /= 10;
    }
    return count;
}
void MoDbubbleSort(long long arr[], int n)
{
   int i, j;
   for (i = 0; i < n-1; i++)
       for (j = 0; j < n-i-1; j++)
           if (sevenCount(arr[j]) > sevenCount(arr[j+1]))
              swap(&arr[j], &arr[j+1]);
}

void bubbleSort(long long arr[], int n)
{
   int i, j;
   for (i = 0; i < n-1; i++)
       for (j = 0; j < n-i-1; j++)
           if (arr[j] > arr[j+1])
              swap(&arr[j], &arr[j+1]);
}

void printArray(long long arr[], int size)
{
    int i;
    for (i=0; i < size; i++)
        cout<<arr[i]<<" ";
}
int main()
{
    long long arr[] = {17, 17377, 41, 973, 427, 277};
    int n = sizeof(arr)/sizeof(arr[0]);
    bubbleSort(arr, n);
    MoDbubbleSort(arr, n);
    printArray(arr, n);
    return 0;
}