pat乙级测试第一题（3*n+1）/2猜想，测试点为0，1，2时出错

Question

#include
#include
int main()
{
int n, p, ts = 0;
scanf("%d", &n);
if (n == 0)
{
printf("0不是正整数");
}
if (n == 1)
{
printf("%d", ts);
}
while ((n > 1) && (n <= 1000))
{
if ((n % 2) == 0)
{
p = n / 2;
}
else
{
p = (3 * n + 1) / 2;
}
n = p;
ts = ts + 1;

}
printf("%d", ts);

}

Answer 1

http://www.cnblogs.com/fengyucode/p/5427550.html