标签：scanf 函数 int lld include arp scan abs blog
#include<stdio.h>
#include<stdlib.h>
int main()
{
long long a,b;
while(scanf("%lld%lld",&a,&b)!=EOF)
printf("%lld\n",abs(b-a));
return 0;
}
abs()函数求绝对值
标签：scanf 函数 int lld include arp scan abs blog
原文地址：http://www.cnblogs.com/ljhacm/p/6724635.html
