LeetCode Daily #5 | Problem of the Day | 3550. Smallest Index With Digit Sum Equal to Index

LeetCode Daily — Day 5/365 Today's Problem of the Day: LeetCode 3550 — Smallest Index With Digit Sum Equal to Index In this video, I solve the problem step by step and explain the intuition behind the solution. 🔹 Understand the problem with examples 🔹 Calculate the digit sum 🔹 Check whether digit sum == index 🔹 Find the smallest valid index 🔹 Complete C++ solution 🔹 Time & space complexity 💡 Example: nums = [1, 3, 2] At index 2: Digit sum of nums[2] = digit sum of 2 = 2 Index = 2 Therefore, the answer is 2. 📌 Problem: https://leetcode.com/problems/smalles... ⏱️ One problem. One video. Every day. This is Day 5 of my 365 Days of LeetCode challenge, where I'm solving the Problem of the Day every day while improving my problem-solving and communication skills. If you're preparing for DSA, coding interviews, or competitive programming, follow along! #LeetCodeDaily #ProblemOfTheDay #LeetCode #DSA #CPlusPlus #Coding #Programming #365DaysOfLeetCode