剛開始用int型定義,提交時一直錯,檢查了好多遍函數,一直還是WA ,後來改成了long int型,還是WA ,辛辛苦苦看到了是要定義 unsigned long int型的纔行,提交果然AC ,數據類型的位數.....
#include<stdio.h>
unsigned long int lcm(unsigned long int a,unsigned long int b)
{
long int temp,sum;
sum=a*b;
if(b>a)
{
temp=a;
a=b;
b=temp;
}
while(b!=0)
{
temp=a%b;
a=b;
b=temp;
}
return (sum/a);
}
int main()
{
unsigned long int i,b,a,n;
while(scanf("%d",&n)==1)
{
a=1;
for(i=0;i<n;i++)
{
scanf("%d",&b);
a=lcm(a,b);
}
printf("%d\n",a);
}
return 0;
}