michaelwehar / fourcornersproblem Goto Github PK
View Code? Open in Web Editor NEWFinding a rectangle whose four corners are 1's in a given Boolean matrix.
License: MIT License
Finding a rectangle whose four corners are 1's in a given Boolean matrix.
License: MIT License
We should refactor the tests in the different programming languages to use the same files with test matrices as well as the same results for checkup. Already started in the perl branch ...
Brief explanation of O(m*n) runtime.
For the Java code:
If m >= n, then the runtime is roughly O(m*n + n^2) = O(m*n) because there are roughly n^2 possible pairs of columns
If m < n, then the runtime is roughly O(m*n + m^2) = O(m*n) because there are roughly m^2 possible pairs of rows
More testing should be done for the python code.
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