206 - Zig Zag Sequence | Debugging | Hackerrank Solution | Python

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In this video, I have explained on how to debug zig zag sequence problem in hackerrank. This hackerrank problem is a part of Problem Solving | Practice | Algorithms | Debugging | Zig Zag Sequence and solved in python.
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Опубликовано:

18 сен 2024

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Комментарии : 12

@mookeeman 2 года назад

Thanks, this is great. Had to check your solution, as it wouldn't accept mine, despite the output was correct. Apparently, it was because I also optimized in line 8 replacing >= with > , as there is no need to swap an element with itself when indices are equal. That violated the three lines modification constraint.

@vinci_irl 2 года назад

Isn't [1,2,5,4,3] the smallest zig-zag sequence lexicographically?

@pavitrasingh2292 Год назад

thank you sir

@leonidasastoxos919 10 месяцев назад

Greeting, great video. Do you have any suggestions on how to do that with PhP?

@YasinAnatoli Год назад

Mil GRACIAS

@TheRottenMindOfFunky Год назад

Does anyone know why it doesn't have any code in other languages like Javascript? there is no 'code' to fix

@HackersRealm Год назад

In earlier days of hackerrank, there won't be any code for any languages. It's much better if we take the input from the console and solve it, so we can do some customization on the input level itself...

@gregoriofaerman 2 года назад

i don't understand why you decrement by 2 (3:19)

@leonardorutz 2 года назад

using the given example 1 2 3 4 5 6 7 to explain - it's because you have already switched the middle element [3]=4 with the last one [6]=7 at line 3, and if you keep decrement by 1 (ed = n -1) you will switch the last element again and its not what we want, we wanna switch [4]=5 with [5]=6