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LeetCode/problems/swift/contains-duplicate.swift
Matej Focko 333866d1bc
chore: split solutions by language
Signed-off-by: Matej Focko <mfocko@redhat.com>
2023-06-02 17:19:02 +02:00

12 lines
286 B
Swift

class Solution {
func containsDuplicate(_ nums: [Int]) -> Bool {
var encountered = Set<Int>()
for x in nums {
if encountered.contains(x) {
return true
}
encountered.insert(x)
}
return false
}
}