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Two Pointers & Sliding Window
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Two Sum Pattern
2 + 6 = 82
7
11
15
1
8
3
9
4
6
L=0target: 10R=9
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Two Pointers & Sliding Window
Loading Two Pointers...
Two Sum Pattern
2 + 6 = 8Two pointers start at opposite ends and converge inward, always moving the shorter bar. The water area and current maximum update live at every step.
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Question 1 of 3
Why do we always move the pointer with the shorter bar inward?