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Suppose we have a coordinate point (x, y) and another value n. We have to check whether we can move from (0, 0) to (x, y) using n steps or not. We can move any of the four directions left, right, up and down.

So, if the input is like p = (2, 1) n = 3, then the output will be True we can move two step to the right then one step to the up direction.

To solve this, we will follow these steps −

- if n >= |x of p| + |y of p| and (n -(|x of p| + |y of p|)) is even, then
- return True

- return False

Let us see the following implementation to get better understanding −

def solve(p, n): if n >= abs(p[0]) + abs(p[1]) and (n - (abs(p[0]) + abs(p[1]))) % 2 == 0: return True return False p = (2, 1) n = 3 print(solve(p, n))

(2, 1), 3

True

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