g0201_0300.s0217_contains_duplicate.Solution.kt Maven / Gradle / Ivy
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Kotlin-based LeetCode algorithm problem solutions, regularly updated
package g0201_0300.s0217_contains_duplicate
// #Easy #Top_Interview_Questions #Array #Hash_Table #Sorting #Data_Structure_I_Day_1_Array
// #Programming_Skills_I_Day_11_Containers_and_Libraries #Udemy_Arrays
// #2022_10_25_Time_719_ms_(73.49%)_Space_71.6_MB_(55.82%)
class Solution {
fun containsDuplicate(nums: IntArray): Boolean {
val set: MutableSet = HashSet()
for (n in nums) {
if (set.contains(n)) {
return true
}
set.add(n)
}
return false
}
}