diff --git a/problems/0132.分割回文串II.md b/problems/0132.分割回文串II.md index eb0e39fb..9b164dfb 100644 --- a/problems/0132.分割回文串II.md +++ b/problems/0132.分割回文串II.md @@ -289,7 +289,45 @@ class Solution: ## Go ```go +func minCut(s string) int { + isValid := make([][]bool, len(s)) + for i := 0; i < len(isValid); i++ { + isValid[i] = make([]bool, len(s)) + isValid[i][i] = true + } + for i := len(s) - 1; i >= 0; i-- { + for j := i + 1; j < len(s); j++ { + if s[i] == s[j] && (isValid[i + 1][j - 1] || j - i == 1) { + isValid[i][j] = true + } + } + } + dp := make([]int, len(s)) + for i := 0; i < len(s); i++ { + dp[i] = math.MaxInt + } + for i := 0; i < len(s); i++ { + if isValid[0][i] { + dp[i] = 0 + continue + } + for j := 0; j < i; j++ { + if isValid[j + 1][i] { + dp[i] = min(dp[i], dp[j] + 1) + } + } + } + return dp[len(s) - 1] +} + +func min(i, j int) int { + if i < j { + return i + } else { + return j + } +} ``` ## JavaScript