Paint House | Dynamic Programming | Hello Interview
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YouTubeHello Interview - SWE Interview Preparation
Paint House | Dynamic Programming | Hello Interview
You have a row of houses. Each one can be painted red, blue, or green, with a different cost per house. The constraint: no two neighboring houses can share the same color. Find the minimum total cost to paint them all. Brute force tries every combination. With three colors and n houses, that's 3^n possibilities. That doesn't scale. DP fixes ...
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