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How is it going till now? We hope that you are regular in the classes and completing assignments on time. If not, please watch the earlier lectures in the series so we are on the same page! In this class, Urvi mam is teaching the concept of Prefix Sum which is often asked in interviews and placements. Do not miss this! We are going to solve more practice problems on arrays in the next class. Stay tuned for more! Access the notes and assignments for this class for free at : http://bit.ly/3g1dJri If you are joining us late, to know more about PWSkills & plans : Watch the Orientation Video: https://www.youtube.com/watch?v=YpNFgTKVAtU Watch the Launch Video: https://www.youtube.com/watch?v=si8TKULKmLE ▶️ PW Skills Website - https://pwskills.com ▶️ PW Skills Instagram - https://www.instagram.com/pwcollegewallah ▶️ PW Skills LinkedIn Channel - https://www.linkedin.com/in/pw-skills-136050249/ ▶️ PW Skills Telegram Channel- https://t.me/SkillsPW Timestamps: 00:00 - Introduction 00:25 - Recap of the previous lecture 01:14 - Today's checklist 01:36 - Problem explanation - For an array a, return prefix sum in the same array 07:27 - Code 10:20 - Dry run 11:24 - Problem explanation - Check if an array can be partitioned into two subarrays with equal sum 20:16 - Code 24:00 - Dry run 26:26 - Problem explanation - Print the sum of values in a given range of indices 32:45 - Code 45:56 - Summary of the lecture #PrefixSum #problemsolvingusingarraysandvector #Array #coding #Arrayvector #programmingchannel #bestpracticelecture #patterninc++ #C++arraysandvectors #algorithm #pwskills #collegewallah #physicswallah #Patternrunningsum #vectors
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