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Jump Game II Visualizer & Solution | Rulcode

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142. Jump Game II

Medium

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Example 1:

Input: nums = [2,3,1,1,4]

Output: 2

Explanation: Jump from index 0 to 1 (1 step), then from index 1 to 4 (3 steps).

Example 2:

Input: nums = [2,3,0,1,4]

Output: 2

Explanation: Jump from index 0 to 1 (1 step), then from index 1 to 4 (3 steps).

Example 3:

Input: nums = [1,2,3]

Output: 2

Explanation: Jump from index 0 to 1 (1 step), then from index 1 to 2 (2 steps).

Example 4:

Input: nums = [0]

Output: 0

Explanation: Already at the end.

Constraints:

Time Complexity

N/A

Space Complexity

N/A

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rulcode

142. Jump Game II

Medium

Topics

Companies

Hint

Understand Before Coding

Step 1 / 16

Speed: 1.0x

Jump Game II Array State

Farthest

Commentary

Initialize variables. We start at index 0. 'jumps' tracks total jumps made. 'currentEnd' tracks the maximum reachable index with the current number of jumps. 'farthest' tracks the maximum reachable index we have discovered so far.

Variables

jumps0

currentEnd0

farthest0

nums.length5

TypeScript

Initializing...

Loading visualization...

Visualize This Problem

Open Visualizer

Draw Your Approach

Draw

Example 1:

Input: nums = [2,3,1,1,4]

Output: 2

Explanation: Jump from index 0 to 1 (1 step), then from index 1 to 4 (3 steps).

Example 2:

Input: nums = [2,3,0,1,4]

Output: 2

Explanation: Jump from index 0 to 1 (1 step), then from index 1 to 4 (3 steps).

Example 3:

Input: nums = [1,2,3]

Output: 2

Explanation: Jump from index 0 to 1 (1 step), then from index 1 to 2 (2 steps).

Example 4:

Input: nums = [0]

Output: 0

Explanation: Already at the end.

Constraints:

Time Complexity

N/A

Space Complexity

N/A

Step 1 / 16

Speed: 1.0x

Jump Game II Array State

Farthest

Commentary

Variables

jumps0

currentEnd0

farthest0

nums.length5

TypeScript

Initializing...

142. Jump Game II

Understand Before Coding

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Example 4:

Constraints:

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Use Cases

142. Jump Game II

Understand Before Coding

Jump Game II Array State

Commentary

Variables

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Example 4:

Constraints:

Learn

Topics

Companies

Hint

Use Cases

Jump Game II Array State

Commentary

Variables