Veeyikpong

solveSudoku(
    arrayOf(
        charArrayOf('8', '.', '.', '.', '.', '.', '.', '.', '.'),
        charArrayOf('.', '.', '3', '6', '.', '.', '.', '.', '.'),
        charArrayOf('.', '7', '.', '.', '9', '.', '2', '.', '.'),
        charArrayOf('.', '5', '.', '.', '.', '7', '.', '.', '.'),
        charArrayOf('.', '.', '.', '.', '4', '5', '7', '.', '.'),
        charArrayOf('.', '.', '.', '1', '.', '.', '.', '3', '.'),
        charArrayOf('.', '.', '1', '.', '.', '.', '.', '6', '8'),
        charArrayOf('.', '.', '8', '5', '.', '.', '.', '1', '.'),

Veeyikpong

numIslands(
    grid = arrayOf(
        charArrayOf('1', '1', '1', '1', '0'),
        charArrayOf('1', '1', '0', '1', '0'),
        charArrayOf('1', '1', '0', '0', '0'),
        charArrayOf('0', '0', '0', '0', '0')
    )
)

numIslands(

Veeyikpong

sortArray(intArrayOf(5, 2, 3, 1, 5, 6))

fun sortArray(nums: IntArray): IntArray {
    mergeSort(nums, 0, nums.size - 1)
    return nums
}

fun mergeSort(nums: IntArray, left: Int, right: Int) {
    if (right <= left) return
    val mid = (left + right) / 2

Veeyikpong

package com.veeyikpong.utils

import android.content.Context
import android.util.AttributeSet
import android.view.MotionEvent
import androidx.recyclerview.widget.RecyclerView
import kotlin.math.abs

class NestedHorizontalRecyclerView : RecyclerView {
    private val Y_BUFFER = 10

Veeyikpong

/*
 * Copyright 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software