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for example,217.contains-duplicate.go
:
/* * @lc app=leetcode.cn id=217 lang=golang * * [217] 存在重复元素 * * https://leetcode-cn.com/problems/contains-duplicate/description/ * * algorithms * Easy (45.70%) * Total Accepted: 39.3K * Total Submissions: 85.9K * Testcase Example: '[1,2,3,1]' * * 给定一个整数数组,判断是否存在重复元素。 * * 如果任何值在数组中出现至少两次,函数返回 true。如果数组中每个元素都不相同,则返回 false。 * * 示例 1: * * 输入: [1,2,3,1] * 输出: true * * 示例 2: * * 输入: [1,2,3,4] * 输出: false * * 示例 3: * * 输入: [1,1,1,3,3,4,3,2,4,2] * 输出: true * */func containsDuplicate(nums []int) bool { }
it will not compile since it has no package statement in the file header.