5922. 统计出现过一次的公共字符串
https://leetcode-cn.com/problems/count-common-words-with-one-occurrence/
- 提交时间:2021-11-28 05:17:26
- 执行用时:8 ms, 在所有 Go 提交中击败了100.00%的用户
- 内存消耗:6.6 MB, 在所有 Go 提交中击败了100.00%的用户
- 通过测试用例:60 / 60
func countWords(words1 []string, words2 []string) (ans int) {
wordMap1, wordMap2 := map[string]int{}, map[string]int{}
for _, word := range words1 {
wordMap1[word]++
}
for _, word := range words2 {
wordMap2[word]++
}
for word, count := range wordMap1 {
if count != 1 {
continue
}
if count2, ok := wordMap2[word]; ok && count2 == 1 {
ans++
}
}
return
}