There is a strange printer with the following two special requirements: The printer can only print a sequence of the same character each time. At each turn, the printer can print new characters starting from and ending at any places, and will cover t…

题目: There is a strange printer with the following two special requirements: The printer can only print a sequence of the same character each time. At each turn, the printer can print new characters starting from and ending at any places, and will cov…

class Solution { public: int dp[100][100]; int dfs(const string &s, int i,int j) { if(i>j)return 0; if(dp[i][j])return dp[i][j]; dp[i][j]=dfs(s,i,j-1)+1; for(int k=i;k<j;++k) { if(s[k]==s[j])dp[i][j]=min(dp[i][j],dfs(s,i,k)+dfs(s,k+1,j-1)); } re…

There is a strange printer with the following two special requirements: The printer can only print a sequence of the same character each time. At each turn, the printer can print new characters starting from and ending at any places, and will cover t…

There is a strange printer with the following two special requirements: The printer can only print a sequence of the same character each time. At each turn, the printer can print new characters starting from and ending at any places, and will cover t…

There is a strange printer with the following two special requirements: The printer can only print a sequence of the same character each time. At each turn, the printer can print new characters starting from and ending at any places, and will cover t…

突然很想刷刷题,LeetCode是一个不错的选择,忽略了输入输出,更好的突出了算法,省去了不少时间. dalao们发现了任何错误,或是代码无法通过,或是有更好的解法,或是有任何疑问和建议的话,可以在对应的随笔下面评论区留言,我会及时处理,在此谢过了. 过程或许会很漫长,也很痛苦,慢慢来吧. 编号 题名 过题率 难度 1 Two Sum 0.376 Easy 2 Add Two Numbers 0.285 Medium 3 Longest Substring Without Repeating C…

645. Set Mismatch The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another nu…

All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) .   Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…

# Title Solution Acceptance Difficulty Frequency     4 Median of Two Sorted Arrays       27.2% Hard     10 Regular Expression Matching       25.6% Hard     23 Merge k Sorted Lists       35.8% Hard     25 Reverse Nodes in k-Group       37.7% Hard    …