What is the Jump Game pattern?

The Jump Game is a common coding interview pattern in Greedy Algorithms problems. It provides a structured approach to solving related algorithm challenges efficiently.

When should I use Jump Game?

Use the Jump Game pattern when you encounter problems matching its characteristics. Check the "When to Use" and "Clues" sections in the lesson for specific indicators.

Is Jump Game asked in FAANG interviews?

Yes, Jump Game is an essential pattern commonly tested in FAANG and top tech company technical interviews.

Greedy Algorithms

Medium

Jump Game

Determine if you can reach the last index.

10 min read

Solve on LeetCode

Problem Understanding

You are given an array nums. nums[i] is the maximum jump length from that position. Return true if you can reach the last index.

Strategy

We can track the maximum reachable index.

Init reachable = 0.
Iterate i from 0 to nums.length - 1.
If i > reachable, we are stuck! Return false.
Update reachable = max(reachable, i + nums[i]).
If reachable >= last_index, return true.

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