diff options
Diffstat (limited to 'longest_common_subseq.cpp')
-rw-r--r-- | longest_common_subseq.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/longest_common_subseq.cpp b/longest_common_subseq.cpp new file mode 100644 index 0000000..56cbaf9 --- /dev/null +++ b/longest_common_subseq.cpp @@ -0,0 +1,20 @@ +#include "leetcode.h" + +class Solution { +public: + int longestCommonSubsequence(string text1, string text2) { + short ans[2][1000] = {}; + for (int i = 0; i < text1.size(); ++i) + for (int j = 0; j < text2.size(); ++j) + ans[!(i % 2)][j + 1] = text1[i] == text2[j] + ? ans[i % 2][j] + 1 + : max(ans[i % 2][j + 1], ans[!(i % 2)][j]); + return ans[text1.size() % 2][text2.size()]; + } +}; + +int main() { + Solution obj; + cout << obj.longestCommonSubsequcne("abcde", "ace"); // 3 + cout << endl << obj.longestCommonSubsequcne("abc", "abc"); // 3 +} |