README.md

166.01 Matrix

Description

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.

Example1

Input:
0 0 0
0 1 0
0 0 0

Output:
0 0 0
0 1 0
0 0 0

Example2

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.

From

LeetCode