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29 | 29 | |78|[Subsets](https://leetcode.com/problems/subsets/)|[Solution](../../blob/master/MEDIUM/src/medium/Subsets.java)|O(n^2) ? |O(1)|Medium|Backtracking |
30 | 30 | |76|[Minimum Window Substring](https://leetcode.com/problems/minimum-window-substring/)|[Solution](../../blob/master/HARD/src/hard/MinimumWindowSubstring.java)|O(n)|O(k)|Hard|Two Pointers |
31 | 31 | |75|[Sort Colors](https://leetcode.com/problems/sort-colors/)|[Solution]|O(n)|O(1)|Medium |
32 | | -|68|[Text Justification](https://leetcode.com/problems/text-justification/)|[Solution](../../blob/master/HARD/src/hard/TextJustification.java)|O(n)|O(1)|HARD| |
| 32 | +|68|[Text Justification](https://leetcode.com/problems/text-justification/)|[Solution](../../blob/master/HARD/src/hard/TextJustification.java)|O(n)|O(1)|Hard| |
33 | 33 | |67|[Add Binary](https://leetcode.com/problems/add-binary/)|[Solution](../../blob/master/EASY/src/easy/AddBinary.java)|O(n)|O(1)|Easy| |
34 | 34 | |56|[Merge Intervals](https://leetcode.com/problems/merge-intervals/)|[Solution](../../blob/master/HARD/src/hard/MergeIntervals.java)|O(n*logn)|O(1)|Hard| |
35 | 35 | |43|[Multiply Strings](https://leetcode.com/problems/multiply-strings/)|[Solution]|||Medium |
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