?? Day #52 of My 365 Days Coding Challenge!

?? Day #52 of My 365 Days Coding Challenge!

?? A Personal Reflection:

Imagine having a row of numbered lockers, but one is missing. You could check each one manually, but what if there was a faster way? That’s today’s challenge—finding the missing number in an array!

?? What I Did Today:

I implemented a simple but efficient method using the sum formula to quickly identify the missing number in an array from 1 to N.

?? Key Learning:

  • Mathematical approach is O(1) instead of iterating through the list.
  • Uses the sum formula N * (N + 1) / 2 to determine the missing value.
  • Works even if numbers aren’t in order!

? Extra Touch:

? Efficient—no need for sorting or looping through missing values!

? Handles large datasets in constant time!

? Can be adapted for cases where multiple numbers are missing.

?? Your Turn:

Try modifying this function to handle multiple missing numbers in an array!


#365DaysOfCode #CodingChallenge #MissingNumber #AlgorithmOptimization

要查看或添加评论,请登录

Harsh Pandhe的更多文章

  • ?? Day #60 of My 365 Days Coding Challenge!

    ?? Day #60 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: A Power Set sounds like something out of a superhero movie, but in reality, it's an essential…

  • ?? Day #59 of My 365 Days Coding Challenge!

    ?? Day #59 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Sorting algorithms are like problem-solving strategies—some take their time, while others…

    1 条评论
  • ?? Day #58 of My 365 Days Coding Challenge!

    ?? Day #58 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Sorting can be slow, but what if we divide and conquer? That's the beauty of Merge Sort—it…

  • ?? Day #57 of My 365 Days Coding Challenge!

    ?? Day #57 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Sorting is like arranging playing cards in your hand—you pick up each card and insert it in…

  • ?? Day #56 of My 365 Days Coding Challenge!

    ?? Day #56 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Sorting is like choosing the best player for a team—you look for the best candidate and place…

  • ?? Day #55 of My 365 Days Coding Challenge!

    ?? Day #55 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Sorting is like organizing a messy room—sometimes, the simplest approach is to swap things…

  • ?? Day #54 of My 365 Days Coding Challenge!

    ?? Day #54 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Ever been in a crowded room where one person stands out? In a string, the first non-repeating…

  • ?? Day #53 of My 365 Days Coding Challenge!

    ?? Day #53 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Ever tried a circular queue in real life? Think of people standing in a line, and the first…

  • ?? Day #51 of My 365 Days Coding Challenge!

    ?? Day #51 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Ever tried opening a box, only to find another box inside..

  • ?? Day #50 of My 365 Days Coding Challenge!

    ?? Day #50 of My 365 Days Coding Challenge!

    ?? A Personal Reflection: Queues are like standing in line for coffee ?—first person in, first person out (FIFO). But…