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0123.买卖股票的最佳时机III:优化排版
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@ -51,6 +51,7 @@
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1. 确定dp数组以及下标的含义
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一天一共就有五个状态,
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0. 没有操作
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1. 第一次买入
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2. 第一次卖出
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@ -82,6 +83,7 @@ dp[i][j]中 i表示第i天,j为 [0 - 4] 五个状态,dp[i][j]表示第i天
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同理可推出剩下状态部分:
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dp[i][3] = max(dp[i - 1][3], dp[i - 1][2] - prices[i]);
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dp[i][4] = max(dp[i - 1][4], dp[i - 1][3] + prices[i]);
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