View Code of Problem 87

#include <iostream>
using namespace std;

int main(){
    int a,sum=0,max,min;
    cin>>a;
    max=0;
    min=a;
    for(int j=0;j<=a/4;j++)
        for(int k=0;k<=a/2;k++)
            if(j*4+k*2==a){
                sum = j+k;
                if(sum>max)
                    max=sum;
                if(sum<min)
                    min=sum;
            }
    if(max==0&&min==a)
        printf("%d %d",0,0);
    else
        printf("%d %d",min,max);
    return 0;
}