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LeetCode solutions

3398. Make a Square with the Same Color

My accepted Python solution to LeetCode problem 3398, Make a Square with the Same Color, running in 0ms.

  • Difficulty: Easy
  • Python
  • Runtime 0ms
  • Memory 17.3MB

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 0ms, memory 17.3MB, accepted 2026-01-01.

python
class Solution:
    def canMakeSquare(self, grid: List[List[str]]) -> bool:
        # Check all 2x2 squares
        for i in range(2):
            for j in range(2):
                cells = [grid[i][j], grid[i][j+1], grid[i+1][j], grid[i+1][j+1]]
                black = cells.count('B')
                white = cells.count('W')
                # If at least 3 same color, can make all same
                if black >= 3 or white >= 3:
                    return True
        return False

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