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How to Solve Check if Word Can Be Placed In Crossword Problem
Master the Check if Word Can Be Placed In Crossword LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Start Free for WindowsMedium#2018
LeetCode ProblemCheck if Word Can Be Placed In Crossword
You are given an m x n matrix board, representing the current state of a crossword puzzle. The crossword contains lowercase English letters (from solved words), ' ' to represent any empty cells, and '#' to represent any blocked cells. A word can be placed horizontally (left to right or right to left) or vertically (top to bottom or bottom to top) in the board if: Given a string word, return true if word can be placed in board, or false otherwise.
ArrayMatrixEnumeration
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Problem Breakdown
Understanding the Check if Word Can Be Placed In Crossword Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given an m x n matrix board, representing the current state of a crossword puzzle. The crossword contains lowercase English letters (from solved words), ' ' to represent any empty cells, and '#' to represent any blocked cells. A word can be placed horizontally (left to right or right to left) or vertically (top to bottom or bottom to top) in the board if: Given a string word, return true if word can be placed in board, or false otherwise.
MediumProblem #2018
LeetCodeCheck if Word Can Be Placed In Crossword
Related Topics
ArrayMatrixEnumeration
How Phantom Code Helps
Get real-time assistance for Check if Word Can Be Placed In Crossword problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
board = [["#", " ", "#"], [" ", " ", "#"], ["#", "c", " "]], word = "abc"
Output
true
# Example 2
Input
board = [[" ", "#", "a"], [" ", "#", "c"], [" ", "#", "a"]], word = "ac"
Output
false
# Example 3
Input
board = [["#", " ", "#"], [" ", " ", "#"], ["#", " ", "c"]], word = "ca"
Output
true
Constraints
m == board.length
n == board[i].length
1 <= m * n <= 2 * 105
board[i][j] will be ' ', '#', or a lowercase English letter.
1 <= word.length <= max(m, n)
word will contain only lowercase English letters.
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Solve Check if Word Can Be Placed In Crossword — You are given an m x n matrix board, representing the current state of a crosswo...
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def solve(input):
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Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Check if Word Can Be Placed In Crossword and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Check if Word Can Be Placed In Crossword during interviews?
Phantom Code generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.
What if the interviewer asks follow-up questions or modifications to problems like Check if Word Can Be Placed In Crossword?
Phantom Code adapts in real-time. Screenshot the modified problem or use audio mode to capture the interviewer's follow-up, and get an updated solution within seconds — including edge cases and optimizations.
Can Phantom Code help me communicate my solution for problems like Check if Word Can Be Placed In Crossword?
Yes. Phantom Code provides step-by-step approach explanations with 3 progressive thoughts, so you can walk through your solution naturally. It also provides time and space complexity analysis to discuss trade-offs.
How does Phantom Code assist with different programming languages for Check if Word Can Be Placed In Crossword type problems?
Phantom Code supports 11 programming languages including Python, Java, C++, JavaScript, TypeScript, Go, Rust, Ruby, Swift, Kotlin, and C#. Set your preferred language and get idiomatic solutions.
What coding mistakes does Phantom Code help me avoid during Check if Word Can Be Placed In Crossword interviews?
Phantom Code catches common mistakes like off-by-one errors, missing edge cases, incorrect base conditions, and suboptimal approaches. It provides clean, well-structured code that handles all edge cases.
Is Phantom Code detectable when solving problems like Check if Word Can Be Placed In Crossword during live interviews?
No. Phantom Code runs as an invisible desktop overlay that doesn't appear in screen shares, recordings, or proctoring software. It works with Zoom, HackerRank, CodeSignal, CoderPad, and all major platforms.
How does Phantom Code help when I'm struggling with Check if Word Can Be Placed In Crossword style questions under pressure?
The AI provides structured guidance: first the approach (what algorithm/data structure to use and why), then the implementation with clean code, and finally complexity analysis. This helps you think clearly even under pressure.
Does Phantom Code work for the coding platforms used in Check if Word Can Be Placed In Crossword interviews?
Yes. Phantom Code works with all major coding platforms including LeetCode, HackerRank, CodeSignal, CoderPad, HackerEarth, and any browser-based coding environment.
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