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Merge pull request youngyangyang04#1685 from JOJO0527/patch-1

添加Go的另外一种解法

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Original file line number	Diff line number	Diff line change
`@@ -344,6 +344,21 @@ func wordBreak(s string,wordDict []string) bool {`
`344`	`344`	`}`
`345`	`345`	`return dp[len(s)]`
`346`	`346`	`}`
	`347`	`+// 转化为求装满背包s的前几位字符的方式有几种`
	`348`	`+func wordBreak(s string, wordDict []string) bool {`
	`349`	`+ // 装满背包s的前几位字符的方式有几种`
	`350`	`+ dp := make([]int, len(s)+1)`
	`351`	`+ dp[0] = 1`
	`352`	`+ for i := 0; i <= len(s); i++ { // 背包`
	`353`	`+ for j := 0; j < len(wordDict); j++ { // 物品`
	`354`	`+ if i >= len(wordDict[j]) && wordDict[j] == s[i-len(wordDict[j]):i] {`
	`355`	`+ dp[i] += dp[i-len(wordDict[j])]`
	`356`	`+ }`
	`357`	`+ }`
	`358`	`+ }`
	`359`	`+`
	`360`	`+ return dp[len(s)] > 0`
	`361`	`+}`
`347`	`362`	```
`348`	`363`
`349`	`364`	`Javascript:`

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