Count Vowel Strings in Ranges | Leetcode 2559

[@ashtongeorge3984]

Tried the brute force approach using my elementary understanding of DSA. Got stuck on one of the larger test cases. Your explanation makes a lot of sense, thanks a ton.

[@techdose4u]

welcome

[@tanishyadav3862]

was probably doing some bs earlier...got tle on 93rd tc..thanks for the solution sir

[@techdose4u]

welcome :)

[@jigyarthjoshi6002]

With O(n^2) 93/94 pass You need to optimise for the last TC

[@tanishyadav3862]

@@jigyarthjoshi6002 yup I did ❤️👍🏻

[@SSR0108]

Standard approach of PrefixSum Problem thank you Sir

[@techdose4u]

yepp

[@jasmeetsingh3170]

i m stuck at 9th testcase but im doing the brute force approach. Thankyou so much sir for optimal solution.

[@techdose4u]

nice!

[@sailendrachettri8521]

Thank you sir :)

[@techdose4u]

Most welcome!

[@sabukuna]

thanks. i get it know.

[@techdose4u]

great

[@alokkhandelwal1594]

sir please explain why did we used l-1 , what it is

[@techdose4u]

which line & code ?

[@Karnikhil91]

can u do in hindi ? i dont have any problem in english But when your doing DSA and Understanding in English seems to be Double the Pressure as Non English Person or Whose First language is not English

[@techdose4u]

English is expected in Software industry. Hence taking the pressure now will help you a lot to advance in your career :)