Sir, I am able to draw the tree for this problem and also know the probable algorithm. I am relating this problem with Count N Queens but I am not able to implement my algorithm in code. Also, the solution that I have submitted earlier was told to me by my one of the seniors, who solved the question by DP which has not been taught yet. I have unlocked the editorial but I am unable to understand that so please send the correct code for this problem.
Understood the algorithm but not able to code
@Syed-Siddiqui-2497215583854102,
What problem are you facing? The code in the editorial is correct. It is a DP question and approach. If the editorial is giving wrong answer just change int to long.
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