#948Hard#33 in Snowflake's list· asked at 13 companies
Making a large island
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What we know
Example 1
Input: grid = [[1,0],[0,1]] Output: 3
Change one 0 to 1 to connect the two islands.
Example 2
Input: grid = [[1,1],[1,0]] Output: 4
Example 3
Input: grid = [[1,1],[1,1]] Output: 4
Constraints
- •
n == grid.length - •
n == grid[i].length - •
1 <= n <= 500 - •
grid[i][j]is either 0 or 1.