代碼1 Runtime: 43 ms, faster than 11.05% of Java online submissions for Repeated DNA Sequ...
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IP屬地：上海
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187. Repeated DNA Sequences
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115. Distinct Subsequences
代碼1 dpAn example:S: [acdabefbc]T: [ab] first we check with a: then we check with ab: Ru...
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241. Different Ways to Add Parentheses
代碼1 Runtime: 3 ms, faster than 25.41% of Java online submissions for Different Ways to ...
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32. Longest Valid Parentheses
代碼1 Runtime: 9 ms, faster than 8.31% of Java online submissions for Longest Valid Paren...
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22. Generate Parentheses
代碼1 backtrackRuntime: 1 ms, faster than 84.99% of Java online submissions for Generate ...
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132. Palindrome Partitioning II
代碼1 DPRuntime: 9 ms, faster than 82.70% of Java online submissions for Palindrome Parti...
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131. Palindrome Partitioning
代碼1 DFSRuntime: 3 ms, faster than 59.03% of Java online submissions for Palindrome Part...
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336. Palindrome Pairs
代碼1 首先把每個(gè)單詞都放進(jìn)去這個(gè)逆向單詞樹脆丁。然后試著是否能不停的往下走世舰。有兩種情況是可以認(rèn)為當(dāng)前遍歷的詞和某個(gè)節(jié)點(diǎn)可以形成一個(gè)結(jié)果配對(duì)的。如果說我們當(dāng)前遍歷到的單詞叫str...
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214. Shortest Palindrome
代碼1 第一次自己做出hard題Runtime: 118 ms, faster than 42.09% of Java online submissions for Shor...
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9. Palindrome Number
代碼1 Runtime: 8 ms, faster than 45.98% of Java online submissions for Palindrome Number....
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5. Longest Palindromic Substring
代碼1 Runtime: 23 ms, faster than 81.64% of Java online submissions for Longest Palindrom...
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395. Longest Substring with At Least K Repeating Characters
代碼1 Runtime: 0 ms, faster than 100.00% of Java online submissions for Longest Substring...
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3. Longest Substring Without Repeating Characters
代碼1 j在i之前槽卫，遇到一個(gè)重復(fù)的就一直增加j跟压，直到j(luò)等于iRuntime: 4 ms, faster than 89.11% of Java online submissi...
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76. Minimum Window Substring
代碼1 Runtime: 3 ms, faster than 97.65% of Java online submissions for Minimum Window Sub...
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68. Text Justification
代碼1 Runtime: 1 ms, faster than 52.72% of Java online submissions for Text Justification.
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168. Excel Sheet Column Title
代碼1 Runtime: 7 ms, faster than 15.00% of Java online submissions for Excel Sheet Column...
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316. Remove Duplicate Letters
代碼1 解法：貪心算法Greedy，用1個(gè)HashMap或者數(shù)組統(tǒng)計(jì)出現(xiàn)的字符歼培。然后再遍歷一遍數(shù)組, 假設(shè)position = 0震蒋，每次找到字符比position的小就更新p...
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179. Largest Number
代碼1 Runtime: 10 ms, faster than 25.66% of Java online submissions for Largest Number.
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87. Scramble String
代碼1 f[i][j][k] 表示 s1的 i 到 i + k 子字符是不是與 s2 的 j 到 j + k 的子字符符合。Runtime: Runtime: 6 ms, f...