Given two arrays: arr1[0..m-1] of size m and arr2[0..n-1] of size n. Task is to check whether arr2[] is a subset of arr1[] or not. Both the arrays can be both unsorted or sorted. It may be assumed ...

I invested 6+ hours to create this cheatsheet of 53 DSA problem-solving patterns & 265 problems of the 6 most commonly asked important data structures in interviews. (Problems are at the end) 1.

When you enter a coding interview, the most critical skill isn't speed. It's pattern recognition. You need to recognize when a problem is about moving two pointers efficiently. You must spot when a ...

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Yash is an aspiring computer science student who loves to build things and write about all things tech. In his free time, he likes to play Squash, read a copy of the latest Murakami, and hunt dragons ...