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Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell.
The distance between two adjacent cells is 1.
Example 1:
Input:
[[0,0,0],
[0,1,0],
[0,0,0]]
Output:
[[0,0,0],
[0,1,0],
[0,0,0]]
Example 2:
Input:
[[0,0,0],
[0,1,0],
[1,1,1]]
Output:
[[0,0,0],
[0,1,0],
[1,2,1]]
Note:
- The number of elements of the given matrix will not exceed 10,000.
- There are at least one 0 in the given matrix.
- The cells are adjacent in only four directions: up, down, left and right.
Difficulty:
Medium
Lock:
Normal
All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.