【文件属性】：
文件名称：acm竞赛第100题答案
文件大小：27KB
文件格式：DOC
更新时间：2013-10-27 08:35:58
acm
acm第100题 The 3n+1 problem
#include
using namespace std;
unsigned CyCle(unsigned m)
{
unsigned count = 1;
while (m != 1)
{
if (m & 0x01)
m = 3 * m + 1;
else
m = m / 2;
count++;
}
return count;
}
int main()
{
unsigned i,j;
while (scanf("%u %u",&i,&j) != EOF)
{
unsigned max = 0;
unsigned min1,max1;
min1 = i < j ? i : j;
max1 = i > j ? i : j;
for (unsigned k = min1; k <= max1; ++k)
if (max < CyCle(k))
max = CyCle(k);
cout << i << " " << j << " " << max << endl;
}
return 0;
}
