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| // @Title: 单词拆分 (Word Break)
// @Author: 15816537946@163.com
// @Date: 2020-03-08 20:58:12
// @Runtime: 0 ms
// @Memory: 2.1 MB
func wordBreak(s string, wordDict []string) bool {
mp := make(map[string]bool)
for _, word := range wordDict {
mp[word] = true
}
dp := make([]bool, len(s)+1)
dp[0] = true
// dp
for i :=1;i<=len(s);i++ {
for j:=0;j<=i;j++ {
if dp[j] && mp[s[j:i]] {
dp[i] = true
break
}
}
}
return dp[len(s)]
}
|