Hello, this is my first problem on segment tree. I have used segment tree to solve this problem but I am getting Wrong Answer on a test case. Can you point out what is wrong. Thank you
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Your query function was not correct as it was not returning required answer when the search was out of range as the new node with values -15000 was made and querying using it was creating a problem. Also it modified the tree sometimes. Here is how you should query on the segment tree :
I replaced your query function with the above function and got AC. Here is the link to the AC code.