【ACM】杭电OJ 2015

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#include <iostream>
using namespace std;
int main ()
{
	int count,sum,i,j,m,n;
	while(scanf("%d%d",&m,&n)==2)
	{
		sum=0;count=0;
		for(i=1;i<=m;i++)
		{
			sum+=(2*i);
			count++;
			if(count==n)
			{
				sum/=n;
				cout<<sum;
				sum=0;
				count=0;
				if(i!=m)
				{
					cout<<" ";
				}
			}
		}
		if(sum!=0)
		{
			sum/=count;
			cout<<sum;
		}
		cout<<endl;
	}
	return 0;
}