How to Solve Find Minimum Time to Reach Last Room I Problem
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Find Minimum Time to Reach Last Room I
There is a dungeon with n x m rooms arranged as a grid. You are given a 2D array moveTime of size n x m, where moveTime[i][j] represents the minimum time in seconds after which the room opens and can be moved to. You start from the room (0, 0) at time t = 0 and can move to an adjacent room. Moving between adjacent rooms takes exactly one second. Return the minimum time to reach the room (n - 1, m - 1). Two rooms are adjacent if they share a common wall, either horizontally or vertically.
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Problem Statement
There is a dungeon with n x m rooms arranged as a grid. You are given a 2D array moveTime of size n x m, where moveTime[i][j] represents the minimum time in seconds after which the room opens and can be moved to. You start from the room (0, 0) at time t = 0 and can move to an adjacent room. Moving between adjacent rooms takes exactly one second. Return the minimum time to reach the room (n - 1, m - 1). Two rooms are adjacent if they share a common wall, either horizontally or vertically.
Find Minimum Time to Reach Last Room I
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Examples
# Example 1
moveTime = [[0,4],[4,4]]
6
# Example 2
moveTime = [[0,0,0],[0,0,0]]
3
# Example 3
moveTime = [[0,1],[1,2]]
3
Constraints
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Solve Find Minimum Time to Reach Last Room I — There is a dungeon with n x m rooms arranged as a grid. You are given a 2D array...
Here's the optimal approach using Array:
Time: O(n) | Space: O(n)
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