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DSA grind. Again?!🥹😭

So i have been working for 4 years now (data engineer and scientist) and havent been enjoying much. Thinking of finally grinding and getting into better company. PLEASE suggest resources for DSA grind which are currently trending and most optimised.

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Slavingaway20s

PWC

a year ago

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Frequency9379

Self Employed

a year ago

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Slavingaway20s

PWC

a year ago

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roct

Accenture

a year ago

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Slavingaway20s

PWC

a year ago

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roct

Accenture

a year ago

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FunnyBones

Plivo

a year ago

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Slavingaway20s

PWC

a year ago

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Heya

Student

a year ago

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Slavingaway20s

PWC

a year ago

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Elon_Musk

X.com

a year ago

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Slavingaway20s

PWC

a year ago

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Red_Ranger

Student

a year ago

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by OhBhai

Stealth

How to get better at DSA?

I am a backend engineer with a 9 year exp. In my fourth company now. Started with 5 lpa, now at 31 Lpa. Mostly have worked in normal companies only. I am from one of the NITs. I am not good at DSA. Everytime I have to switch a job, my resume gets shortlisted and I get call via naukri. The things is in these last 4 job searches I have been rejected 100 times. I have been rejected by almost all the companies, Service now 5-6 times, oracle 5-6 times, Walmart 2 times, goldman 3 times, jpmorgan 2 times, Amazon 4-5 times, arcesium 3-4 times, msft 2 times. Apart from these, I have been rejected by adp, celigo, phenom, barclays, flipkart etc. Every time, I want to change a job, I'll get rejected by all the big companies and then will get selected at some normal company with a hike and will join them. I am at my fourth company now, and again I am searching for a job. Have already been rejected by GS, service now, phenom, epam, ice, demandbase in last 2 months. Every time it is the same DSA. I try studying, will do decent amount of leetcode prior to interviews. Last two months I am doing leetcode from strivers sheet. But same question I'll do here, and in interview will fail. Example I have done sorted array rotation, shares sell and buy, rain water trapping, and was asked the same question in interview and couldn't solve. I also want to earn more and get into some big company and stay there for some times, what shall I do? My concerns are, I am getting lesser calls this time compared to the last few years, I can't be switching job every two years. Want to join a big company and earn more.