Raj Vikramaditya (take U forward)
Striver SDE Sheet contains very handily crafted and picked top coding interview questions from different topics of Data Structures & Algorithms. These questions are one of the most asked coding interview questions in coding interviews of companies like Google, Amazon, Microsoft, Facebook, Swiggy, Flipkart, etc, and cover almost all of the concepts related to Data Structure & Algorithms.
Also known as SDE Sheet, Striver SDE Sheet A to Z, Striver's SDE Sheet, TUF SDE Sheet, Takeuforward SDE Sheet, Striver 180 Sheet, Striver SDE Sheet Top Coding Interview Problems, Striver SDE Sheet Challenge, Striver 30 Days SDE Sheet.
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Overall progress
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Easy
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Medium
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Hard
There is no PDF here, and you do not need one. All 191 problems are listed in full on this page, free and without an account — and unlike a PDF the list remembers what you have ticked off, so you are not re-reading a static file to work out where you stopped. Use your browser's print view if you want it on paper.
Yes — same sheet, different name. It is also known as SDE Sheet, Striver SDE Sheet A to Z, Striver's SDE Sheet, TUF SDE Sheet, Takeuforward SDE Sheet, Striver 180 Sheet, Striver SDE Sheet Top Coding Interview Problems, Striver SDE Sheet Challenge, Striver 30 Days SDE Sheet. Whichever name you searched for, this is the tracker for it.
Tick a problem on this page and it stays ticked. Progress saves in your browser straight away with no account, and the counts update per section so you can see which parts of Striver SDE Sheet you have actually covered. Signing in with Google syncs it across devices.
191, grouped into 27 topics. Every one is listed on this page and tickable as you solve it.
At roughly 25 minutes a problem — reading it, solving it and writing the approach down — 191 problems is about 80 hours, or 8 weeks at ten hours a week. Treat that as a planning figure rather than a promise; the first pass through an unfamiliar topic is always slower.
Yes, completely, and no account is needed. There is no paid tier and nothing is held back — the sheet itself is by Raj Vikramaditya (take U forward), and this is a free tracker for it.
Finish one. Sheets overlap heavily, so working several in parallel mostly means re-solving the same problems while never completing a full topic sweep. If you are not sure this is the right one for the time you have, the sheet comparison page puts the options side by side with hour estimates.