Change-Making Problem: Difference between revisions
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(Created page with "{{DISPLAYTITLE:Change-Making Problem (Change-Making Problem)}} == Description == Given an unlimited amount of coins of denominations $c_1, \ldots, c_n$, and a desired sum $S$, find the minimum number of coins necessary to make $S$. == Parameters == <pre>n: number of coin denominations S: sum to be made</pre> == Table of Algorithms == {| class="wikitable sortable" style="text-align:center;" width="100%" ! Name !! Year !! Time !! Space !! Approximation Factor !!...") |
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== Parameters == | == Parameters == | ||
n: number of coin denominations | |||
S: sum to be made | |||
S: sum to be made | |||
== Table of Algorithms == | == Table of Algorithms == |
Revision as of 12:03, 15 February 2023
Description
Given an unlimited amount of coins of denominations $c_1, \ldots, c_n$, and a desired sum $S$, find the minimum number of coins necessary to make $S$.
Parameters
n: number of coin denominations
S: sum to be made
Table of Algorithms
Name | Year | Time | Space | Approximation Factor | Model | Reference |
---|---|---|---|---|---|---|
Brute Force | 1940 | $O(S^n)$ | $O(n)$ | Exact | Deterministic | |
Dynamic Programming | 1953 | $O(Sn)$ | $O(Sn)$ | Exact | Deterministic | Time |
Probabilistic Convolution Tree | 2014 | $O(n log n)$ | $O(n log n)$ | Deterministic | Time & Space |