Hi, I am trying to solve 514D - R2D2 and Droid Army using Sliding Window and Sparse Table. Everything looks fine, but don't know why I am getting WA on Test case 21.
Here is my code : Solution.
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Hi, I am trying to solve 514D - R2D2 and Droid Army using Sliding Window and Sparse Table. Everything looks fine, but don't know why I am getting WA on Test case 21.
Here is my code : Solution.
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It is possible that L becomes greater than R.
For example: 2 1 1 2 1
The answer is 1 but your solution gives 0.