LeetCode 1591: Strange Printer II Solution

Master LeetCode problem 1591 (Strange Printer II), a hard challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

1591. Strange Printer II

Hard

Array Graph Topological Sort Matrix

Problem Explanation

Explanation

To solve this problem, we need to check if it is possible to print the given targetGrid using the strange printer with the given constraints. We can do this by analyzing the colors in the grid and their relationships. If a color appears in a rectangle, it must not have been used before in any other rectangle.

We can iterate through the targetGrid and keep track of the color rectangles. If we encounter a color that has been used in a different rectangle, it is not possible to print the grid. Otherwise, we continue checking until the end of the grid.

Solution Code

class Solution {
    public boolean isPrintable(int[][] targetGrid) {
        // Java solution code here
    }
}

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