g1901_2000.s1929_concatenation_of_array.Solution.kt Maven / Gradle / Ivy

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Kotlin-based LeetCode algorithm problem solutions, regularly updated

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package g1901_2000.s1929_concatenation_of_array

// #Easy #Array #2023_06_20_Time_220_ms_(94.47%)_Space_38.3_MB_(82.21%)

class Solution {
    fun getConcatenation(nums: IntArray): IntArray {
        val result = IntArray(nums.size * 2)
        System.arraycopy(nums, 0, result, 0, nums.size)
        var i = nums.size
        var j = 0
        while (i < result.size && j < nums.size) {
            result[i] = nums[j]
            i++
            j++
        }
        return result
    }
}