1131_1.c

平时acm训练时ac的源代码

#include <stdio.h>

main()
{
	long left,max,copy=1,h=0;
	scanf("%ld%ld",&left,&max);
	left--;
	while ((left>0)&&(copy<max))
	{
		left-=copy;
		copy*=2;
		if (copy>max) copy=max;
		h++;
	}
	if(left>0)
	{
		if(left%max!=0) h+=left/max+1;
		else h+=left/max;
	}
	printf("%ld",h);
}