13334: 线段上点的个数
Memory Limit:64 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:2
Solved:0
Description
给定平面上两个点p1=(x1,y1),p2=(x2,y2),线段p1p2上,除p1和p2以外一共有几个格点(即坐标为整数的点)?
限制条件,-10^9<=x1,x2,y1,y2<=10^9Input
每一行输入x1,y1,x2,y2,以空格隔开;
Output
对应的每一行输出格点数
Sample Input Copy
1 11 5 3
Sample Output Copy
3