(Solved) : Consider Infinite Integer Grid States Pairs Integers Start 0 0 Goal 10 10 Neighbours J 1 Q34637293 . . . .

Consider an infinite integer grid, where the states are pairs ofintegers, the start is (0, 0), and the goal is (10, 10). Theneighbours of (i, j) are (i + 1, j) and (i, j + 1). Consider theheuristic function h((i, j)) = |10 − i| + |10 − j|.

Question compare how many paths are expanded with the minus andwithout the minus.what the minus does and why it is there.

def add(self, path, value):
“””add a path to the priority queue
value is the value to be minimized”””
self.frontier_index += 1 # get a new unique index
heapq.heappush(self.frontierpq,(value, -self.frontier_index,path))

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