2087. Minimum Cost Homecoming of a Robot in a Grid
Read the full problem statement on LeetCode.
Difficulty: medium Acceptance: 51% Topics: Array, Greedy
View full problem on LeetCode Reading material
Reference solution (spoiler · python)
# Time: O(m + n)
# Space: O(1)
class Solution(object):
def minCost(self, startPos, homePos, rowCosts, colCosts):
"""
:type startPos: List[int]
:type homePos: List[int]
:type rowCosts: List[int]
:type colCosts: List[int]
:rtype: int
"""
[x0, y0], [x1, y1] = startPos, homePos
return (sum(rowCosts[i] for i in xrange(min(x0, x1), max(x0, x1)+1))-rowCosts[x0]) + \
(sum(colCosts[i] for i in xrange(min(y0, y1), max(y0, y1)+1))-colCosts[y0])
Solution from kamyu104/LeetCode-Solutions · MIT