programs/random array at master · alex10101998/programs · GitHub

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//program for a random array


#include<bits/stdc++.h>
#include <stdlib.h>
#include <time.h>
using namespace std;
void swap (int *a, int *b)
{
    int temp = *a;
    *a = *b;
    *b = temp;
}
void printArray (int arr[], int n)
{
    for (int i = 0; i < n; i++)
        cout << arr[i] << " ";
    cout << "\n";
}


void randomnumber (int arr[], int n)
{

    srand (time(NULL));


    for (int i = n - 1; i > 0; i--)
    {

        int j = rand() % (i + 1);


        swap(&arr[i], &arr[j]);
    }
}
int main()
{
    int arr[100];
    int n ;
    cin>>n;
    for(int i=0;i<=n;i++){
        cin>>arr[i];
    }
    randomnumber (arr, n);
    printArray(arr, n);

    return 0;
}