33 lines
634 B
Go
33 lines
634 B
Go
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package arrays
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import("fmt")
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/*
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Given an integer array nums,
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return true if any value appears at least twice in the array, and return false if every element is distinct.
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Example:
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Input: nums = [1, 2, 3, 1]
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Output: true
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Time: O(n)
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Space: O(n)
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*/
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func containsDuplicate(nums []int) bool {
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dictionary := make(map[int]int)
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for _, num := range(nums){
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if _, found := dictionary[num]; found{
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return true;
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}else{
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dictionary[num] = 1
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}
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}
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return false;
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}
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func runContainDuplicate(){
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nums := []int{1,2,3,1}
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hasDuplicate := containsDuplicate(nums)
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fmt.Printf("Contain Duplicate %t\n", hasDuplicate)
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}
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