OJ-Problems-Source/HDOJ/1621_autoAC.cpp

35 lines
714 B
C++
Raw Normal View History

#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
int xiede(double m,double n)
{
double gen3=1.732051;
int max,x,y;
x=(int)(2*gen3*(m-1)/3.0);
if(m>=1)x++;
y=(int)n;
max=x*y;
if(n-y<0.50000)
max=max-(int)(x/2);
return max;
}
int main()
{
double m,n,gen3=1.732051;
int aa,bb,max1,max2,max3,max23,x,y;
while(~scanf("%lf%lf",&m,&n))
{
aa=(int)m;bb=(int)n;
max1=aa*bb;
max2=xiede(m,n);
max3=xiede(n,m);
max23=max2>=max3?max2:max3;
if(max1>=max23)
printf("%d grid\n",max1);
else
printf("%d skew\n",max23);
}
return 0;
}