摘要:        
状态转移方程如下: 当i > j时,dp[i,j]= 0。 当i = j时,dp[i,j] = 1。 当i < j并且str[i] == str[j]时,dp[i][j] = dp[i+1][j-1]+2; 当i < j并且str[i] ≠ str[j]时,dp[i][j] = max(dp[i][    阅读全文
posted @ 2017-08-29 19:32
猪突猛进!!!
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摘要:        
Description We give the following inductive definition of a “regular brackets” sequence: the empty sequence is a regular brackets sequence, if s is a     阅读全文
posted @ 2017-08-29 11:25
猪突猛进!!!
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浙公网安备 33010602011771号