Solve problems with JavaScript

Practicing is boring, but will come the feeling

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LeetCode: Populating Next Right Pointers in Each Node

BFS with level

CSSBattle 15.81: Odoo

Flexbox, pseudo-classes, pseudo-elements

CSSBattle 15.82: Diamond Cut

Absolute position, pseudo-elements, transforms

LeetCode: Merge Two Binary Trees

"You know you don't get bonus points for squishing all your code into the least number of lines" - someone

LeetCode: Permutation in String

Notice the constraints

CodeWars: Snail

Keep going in a way

LeetCode: Two Sum II - Input array is sorted

If trying to explain takes time, go on

LeetCode: First Bad Version

Luckily, mid calculation in JS did not throw overflow error

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