P2907 [USACO08OPEN] Roads Around The Farm S
Description
Farmer John's cows have taken an interest in exploring the territory around the farm. Initially, all N (1
Input Format
\* Line 1: Two space-separated integers: N and K
Output Format
\* Line 1: A single integer representing the number of groups of grazing cows
Explanation/Hint
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).
```plain
6
/ \
2 4
/ \
1 3
```