Shreyansh Saxena shreyansh9008
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| init.lua start |
shreyansh9008
/ gist:da301d651c1234af63789f808cccb0e4
Created
April 28, 2026 08:09
DSA Question Bank
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| # DSA Question Bank | |
| ## Arrays, Hashing, Prefix/Suffix | |
| 1. Find the second largest element in one pass without extra space. | |
| 2. Find the k largest distinct elements without fully sorting the array. | |
| 3. Find the two numbers that appear once when every other number appears twice. | |
| 4. Find the majority element that appears more than n / 2 times. | |
| 5. Find all elements that appear more than n / 3 times. | |
| 6. Count inversions in an array. |