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;j++)
    for(int k=0;k<a;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;
}