The latest articles on DEV Community by Amr Elmoogy (@elmoogym). https://dev.to/elmoogym https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F403201%2F5a12d81a-6a96-4c1f-8af6-fcc878da8f67.jpeg https://dev.to/elmoogym en Amr Elmoogy Mon, 16 Aug 2021 16:55:02 +0000 https://dev.to/elmoogym/help-me-to-figure-out-pattern-ica https://dev.to/elmoogym/help-me-to-figure-out-pattern-ica <p>Hi, I have an array of Fibonacci numbers up to (10 power 6) and a lot of Queries that ranges from L to R, these ranges are not indices but Fibonacci number, I wanna calculate number of even and odd numbers in these range, Is there a fast method to get this instead of take a loop from beginning range to end in these whole queries ?</p> <p>Example : <br> 2 <br> 2 21 <br> 3 13 </p> help cpp