I'm having trouble figuring out what is wrong with my code. It gets WA on test case #9. Some pointers (*no pun intended*) or advice would be appreciated.
Here is a link to my code: http://ideone.com/vcCrHZ
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I'm having trouble figuring out what is wrong with my code. It gets WA on test case #9. Some pointers (*no pun intended*) or advice would be appreciated.
Here is a link to my code: http://ideone.com/vcCrHZ
Название |
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In your query function , you are always merging the two children nodes data. This is wrong , because one child's interval doesn't necessarily intersect with the query interval. So , changing your query function to the following yields ACCEPTED. Congratulations :-)