Merge pull request #2192 from wangben18/master

添加 1207 独一无二的出现次数 Go 版本
This commit is contained in:
程序员Carl
2023-08-03 14:53:47 +08:00
committed by GitHub

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@ -200,10 +200,30 @@ function uniqueOccurrences(arr: number[]): boolean {
})
return countMap.size === new Set(countMap.values()).size;
};
```
### Go
```Go
func uniqueOccurrences(arr []int) bool {
count := make(map[int]int) // 统计数字出现的频率
for _, v := range arr {
count[v] += 1
}
fre := make(map[int]struct{}) // 看相同频率是否重复出现
for _, v := range count {
if _, ok := fre[v]; ok {
return false
}
fre[v] = struct{}{}
}
return true
}
```
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