Graphs pattern

Path With Minimum Effort

Given a grid of cell heights, travel from the top-left to the bottom-right moving in four directions. A path's effort is the maximum absolute height difference between consecutive cells; return the minimum possible effort over all paths. Watch it run step by step, then write your own pseudocode and get it checked by AI.

  • LeetCode 1631
  • Medium
  • 1 approach
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GraphsLeetCode 1631

Medium

The approach

  1. 01 Dijkstra (minimize max edge) O(R·C·log(R·C))O(R·C) space
Played step by step, with its time and space.

What you will learn

  • How to read Path With Minimum Effort and spot the graphs pattern in it
  • Dijkstra (minimize max edge): O(R·C·log(R·C)) time, O(R·C) space
  • The pseudocode for each approach, its line lit as the animation runs
  • Practice: write your own pseudocode and get it checked

More Graphs

See Path With Minimum Effort run, step by step

Sign in and this page opens on the animation, with all 9 Graphs problems beside it.

Sign in to open itSee plans

DSA comes with the all labs plan and every ChaiCode batch.