P2907 [USACO08OPEN] Roads Around The Farm S
题目描述
Farmer John's cows have taken an interest in exploring the territory around the farm. Initially, all N (1
输入格式
无
输出格式
无
说明/提示
There are 6 cows and the difference in group sizes is 2.
There are 3 final groups (with 2, 1, and 3 cows in them).
6
/ \
2 4
/ \
1 3