joneschris
joneschris
/ gist:8049901
Last active
December 31, 2015 21:58
Twitter Interview Solution in Python (http://qandwhat.apps.runkite.com/i-failed-a-twitter-interview/ and https://gist.github.com/mkozakov/59af0fd5bddbed1a0399)
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| heights = [2, 5, 1, 2, 3, 4, 7, 7, 6] | |
| totalWater = 0 | |
| for index in range(0, len(heights)): | |
| currentHeight = heights[index] | |
| maxLeftHeight = max(heights[:index]) if index > 0 else 0 | |
| maxRightHeight = max(heights[index:]) | |
| smallestMaxHeight = min(maxLeftHeight, maxRightHeight) | |
| water = smallestMaxHeight - currentHeight if smallestMaxHeight - currentHeight > 0 else 0 |