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Refactor dynamic programming approach of Trapping Rain Water problem.

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Oleksii Trekhleb 2018-07-27 14:06:58 +03:00
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commit 26239f9a97
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src/algorithms/uncategorized/rain-terraces/README.md
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@ -74,7 +74,7 @@ the sides minus its own height.
- Initialize `answer = 0` - Initialize `answer = 0`
- Iterate the array from left to right: - Iterate the array from left to right:
- Initialize `max_left = 0 and `max_right = 0` - Initialize `max_left = 0` and `max_right = 0`
- Iterate from the current element to the beginning of array updating: `max_left = max(max_left, height[j])` - Iterate from the current element to the beginning of array updating: `max_left = max(max_left, height[j])`
- Iterate from the current element to the end of array updating: `max_right = max(max_right, height[j])` - Iterate from the current element to the end of array updating: `max_right = max(max_right, height[j])`
- Add `min(max_left, max_right) − height[i]` to `answer` - Add `min(max_left, max_right) − height[i]` to `answer`