(ham con + con tro)

#include<iostream>

using namespace std;

int sortArr(int *a, int n)
{
    for(int i = 0; i < n-1; i++)
    {
        for(int j = i+1; j < n; j++)
        {
            if(a[i] > a[j]){
                int tmp = a[i];
                a[i] = a[j];
                a[j] = tmp;
            }
        }
    }
}

int maxArr(int *a, int n)
{
    return a[n-1];
}

void oddEven(int *a, int n)
{
    int oddNumber = 0, evenNumber = 0;
    for(int i=0; i < n; i++)
    {
        if(a[i] % 2 == 0) evenNumber++;
        else oddNumber++;
    }
    cout<<"So le: "oddNumber<<endl;
    cout<<"So chan: "<<evenNumber<<endl;
}

int divide5(int *a, int n)
{
    int count = 0;
    for(int i = 0; i<n; i++)
    {
        if(a[i] % 5 == 0) count++;
    }
    return count;
}

main(){
    int a[100], n;
    cin>>n;
    for(int i=0; i < n; i++) cin>>a[i];
    sortArr(a, n);
    cout<<"So lon nhat: "<<maxArr(a, n)<<endl;
    oddEven(a, n);
    cout<<"Tong cac so chia het cho 5: "<<divide5(a, n);
}