--- title: "#dsawithkunal articles | Hashnode" description: "Explore 134 articles tagged #dsawithkunal on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/dsawithkunal" --- Tag # #dsawithkunal 134 posts · 239 followers [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Feb 4](https://hashnode.com/posts/7-reverse-integer/6982f6c03b2aae3b7f203c17) ### [Problem: Leet Code 7 - Reverse Integer](https://archana-code-diary.hashnode.dev/7-reverse-integer?utm_source=hashnode&utm_medium=feed) Grasp this straightforward technique to see if a reversed number fits the set limits 2 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/7-reverse-integer?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Dec 23, 2025](https://hashnode.com/posts/problem-leet-code-125-valid-palindrome/694a648ef9ef350d7b66f2a1) ### [Problem: Leet Code 125 - Valid Palindrome](https://archana-code-diary.hashnode.dev/problem-leet-code-125-valid-palindrome?utm_source=hashnode&utm_medium=feed) Learn a reliable approach to solve standard palindrome problems 4 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/problem-leet-code-125-valid-palindrome?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Dec 1, 2025](https://hashnode.com/posts/problem-solved-leet-code-2733-numbers-that-are-not-min-or-max/692d324c8ee03851b49a06e1) ### [Problem: Leet Code 2733 - Numbers That Are Not Min or Max](https://archana-code-diary.hashnode.dev/problem-solved-leet-code-2733-numbers-that-are-not-min-or-max?utm_source=hashnode&utm_medium=feed) Unveiling a simple approach to locate elements that aren't the minimum or maximum 2 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/problem-solved-leet-code-2733-numbers-that-are-not-min-or-max?utm_source=hashnode&utm_medium=feed) [Saptarshi Sarkar](https://hashnode.com/@SaptarshiSarkar) · [Nov 29, 2025](https://hashnode.com/posts/how-insertion-sort-works-simplified-explanation/692a98ed12f0816178ef1a95) ### [How Insertion Sort Works: Simplified Explanation](https://saptarshisarkar.hashnode.dev/how-insertion-sort-works-simplified-explanation?utm_source=hashnode&utm_medium=feed) Learn how insertion sort works, its time complexity, and why it's ideal for small datasets and nearly sorted arrays 6 min read · [saptarshisarkar.hashnode.dev](https://saptarshisarkar.hashnode.dev/how-insertion-sort-works-simplified-explanation?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Nov 28, 2025](https://hashnode.com/posts/problem-leet-code-217-contains-duplicate/6929783ff66043e8317f95ca) ### [Problem: Leet Code 217-Contains Duplicate](https://archana-code-diary.hashnode.dev/problem-leet-code-217-contains-duplicate?utm_source=hashnode&utm_medium=feed) Explore a basic approach to detect duplicate entries in an array. 2 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/problem-leet-code-217-contains-duplicate?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Nov 2, 2025](https://hashnode.com/posts/checkout-the-way-to-reverse-an-array/69073006184eb480a97548b3) ### [Checkout the way to Reverse an Array](https://archana-code-diary.hashnode.dev/checkout-the-way-to-reverse-an-array?utm_source=hashnode&utm_medium=feed) Master the In-Place Array Reversal with This Wise Guide 2 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/checkout-the-way-to-reverse-an-array?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Oct 20, 2025](https://hashnode.com/posts/simple-guide-to-finding-array-min-and-max-values/68f66842aed8864c4305bc0d) ### [Simple Guide to Finding Array Min and Max Values](https://archana-code-diary.hashnode.dev/simple-guide-to-finding-array-min-and-max-values?utm_source=hashnode&utm_medium=feed) Efficiently determine min and max in arrays with this technique. 2 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/simple-guide-to-finding-array-min-and-max-values?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Oct 11, 2025](https://hashnode.com/posts/problem-leet-code-342-power-of-four/68ea274dec2eae0988376a52) ### [Problem: Leet Code 342-Power of Four](https://archana-code-diary.hashnode.dev/problem-leet-code-342-power-of-four?utm_source=hashnode&utm_medium=feed) Uncover helpful tips to identify a number as a power of 4 3 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/problem-leet-code-342-power-of-four?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Oct 10, 2025](https://hashnode.com/posts/problem-leet-code-326-power-of-three/68e88e4d57244244fe3aa9cd) ### [Problem: Leet Code 326-Power of Three](https://archana-code-diary.hashnode.dev/problem-leet-code-326-power-of-three?utm_source=hashnode&utm_medium=feed) Discover techniques to verify if a number is power of three 3 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/problem-leet-code-326-power-of-three?utm_source=hashnode&utm_medium=feed) [ARCHANA GURUSAMY](https://hashnode.com/@archana-dev) · [Oct 8, 2025](https://hashnode.com/posts/problem-leet-code-231-power-of-two/68e686a6a8c75fc9209f794b) ### [Problem: Leet Code 231- Power of Two](https://archana-code-diary.hashnode.dev/problem-leet-code-231-power-of-two?utm_source=hashnode&utm_medium=feed) Find Out How to Check If a Number is a Power of 2 Using Multiple Strategies 3 min read · [archana-code-diary.hashnode.dev](https://archana-code-diary.hashnode.dev/problem-leet-code-231-power-of-two?utm_source=hashnode&utm_medium=feed)