84. Coin Change

Medium

Topics

Companies

Hint

Understand Before Coding

Visualize This Problem

Open Visualizer

Draw Your Approach

Draw

Example 1:

Input: coins = [1,2,5], amount = 11

Output: 3

Explanation: 11 = 5 + 5 + 1

Example 2:

Input: coins = [2], amount = 3

Output: -1

Explanation: No combination could make the sum of coin to 3.

Example 3:

Input: coins = [1], amount = 0

Output: 0

Explanation: Zero amount dont need any combination

Constraints:

•
•
•

Time Complexity

O(n × amount)

Space Complexity

O(amount)

84. Coin Change

Understand Before Coding

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Constraints:

Learn

Topics

Companies

Hint

Use Cases

84. Coin Change

Understand Before Coding

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Constraints:

Learn

Topics

Companies

Hint

Use Cases