//125!中有 125/5是5的倍数,有25个0
//125!中有 125/25是25的倍数,多加5个0
//125!中有 125/125是125的倍数,多加1个0
//不信,要验证的话,以25为例子
int NFactorial(int n)
{
int sum = 0;
while (n)
{
n /= 5;
sum += n;
}
return sum;
}
//125!中有 125/5是5的倍数,有25个0
//125!中有 125/25是25的倍数,多加5个0
//125!中有 125/125是125的倍数,多加1个0
//不信,要验证的话,以25为例子
int NFactorial(int n)
{
int sum = 0;
while (n)
{
n /= 5;
sum += n;
}
return sum;
}