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#include<iostream>
using namespace std;
int mid,i,j,k;
int b[20];
void merge(int arr[], int lb, int mid, int ub){
    i=lb;
    j=mid+1;
    k=lb;
    while(i<=mid && j<=ub){
        if(arr[i]<arr[j]){
            b[k]=arr[i];
            i++;
        }
        else{
        b[k]=arr[j];
        j++;
        }
        k++;
    }
    if(i>mid){
        while(j<=ub){
            b[k]=arr[j];
            j++;
            k++;
        }
    }
    else{
        while(i<=mid){
            b[k]=arr[i];
            i++;
            k++;
        }
    }

    for(k=0; k<=ub; k++){
        arr[k]=b[k];
    }
}

void mergesort(int arr[],int lb, int ub){
    if(lb<ub){
        mid=(lb+ub)/2;
        mergesort(arr,lb,mid);
        mergesort(arr,mid+1,ub);
        merge(arr,lb,mid,ub);
    }
}
int main(){
    int n,temp,i,j;
    cout<<"Enter the array size"<<endl;
    cin>>n;
    int arr[n];
    cout<<"Enter the elements"<<endl;

    for(i=0; i<n; i++){
        cin>>arr[i];
    }
    mergesort(arr,0,n-1);
    cout<<"Sorted array is";
    for(i=0; i<n; i++){
        cout<<arr[i]<<" ";
    }

    return 0;

}