1368. Minimum Cost to Make at Least One Valid Path in a Grid

LeetCodeArrayBreadth-First SearchGraph TheoryHeap (Priority Queue)MatrixShortest PathOpen on judge ↗

Given an m x n grid. Each cell of the grid has a sign pointing to the next cell you should visit if you are currently in this cell. The sign of grid[i][j] can be: - 1 which means go to the cell to the right. (i.e go from grid[i][j] to grid[i][j + 1]) - 2 which means go to the cell to the left. (i.e go from grid[i][j] to grid[i][j - 1]) - 3 which means go to the lower cell. (i.e go from grid[i][

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI