In-depth solution and explanation for LeetCode 322. Coin Change in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions.

Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Return the fewest number of coins that you …

The change-making problem addresses the question of finding the minimum number of coins (of certain denominations) that add up to a given amount of money. It is a special case of the integer knapsack …

This is the bottom-up DP version of Coin Change. Instead of asking “how many coins to make this amount?” recursively, we build answers from smaller amounts to larger ones.

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Oct 3, 2025 · Learn how to solve the Coin Change Problem using brute force and dynamic programming approaches with Python, C++, and Java code examples.

The Coin Change problem in LeetCode is a classic algorithmic problem that deals with finding the minimum number of coins needed to make a specific amount of money (often referred to as the …

Nov 24, 2024 · The Coin Change problem is a classic question in dynamic programming. Given an array of different denominations of coins and a target amount, the objective is to determine the minimum …

Jul 23, 2025 · Given an integer array of coins [] of size n representing different types of denominations and an integer sum, the task is to count all combinations of coins to make a given value sum.

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