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Easy
Array
Contains Duplicate
Examples
Input:
nums = [1,2,3,1]
Output:
true
Sample Test Cases
Case 1 Input:
[1,2,3,1]
Expected:
true
Case 2 Input:
[1,2,3,4]
Expected:
false
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Test Case
Output
Submission
Case 1 Input:
[1,2,3,1]
Expected:
true
Case 2 Input:
[1,2,3,4]
Expected:
false
Given an integer array
nums
, return
true
if any value appears at least twice.