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Commit193763d

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author
Mrinal Chauhan
committed
fix: updated CONTRIBUTING.md and added test cases for Moore Voting Algorithm
1 parent448415c commit193763d

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7 files changed

+39
-42
lines changed

7 files changed

+39
-42
lines changed

‎.husky/pre-commit

100755100644
File mode changed.

‎DIRECTORY.md

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@@ -73,6 +73,7 @@
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*[NumberOfLocalMaximumPoints](Data-Structures/Array/NumberOfLocalMaximumPoints.js)
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*[QuickSelect](Data-Structures/Array/QuickSelect.js)
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*[Reverse](Data-Structures/Array/Reverse.js)
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*[MooreVotingAlgorithm](Data-Structures/Array/MooreVotingAlgorithm.js)
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***Graph**
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*[Graph](Data-Structures/Graph/Graph.js)
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*[Graph2](Data-Structures/Graph/Graph2.js)

‎Data-Structures/Array/MooreVotingAlgorithm.js

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@@ -6,29 +6,24 @@
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*@returns {Number} majority element or null if no majority exists
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*/
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constMooreVotingAlgorithm=(arr)=>{
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letcandidate=null;
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letcount=0;
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// Phase 1: Finding the candidate
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for(letnumofarr){
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if(count===0){
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candidate=num;
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count=1;
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}elseif(num===candidate){
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count++;
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}else{
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count--;
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}
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letcandidate=null
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letcount=0
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// Phase 1: Find the candidate for majority element
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for(letnumofarr){
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if(count===0){
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candidate=num
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}
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// Phase 2: Validate the candidate
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count=0;
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for(letnumofarr){
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if(num===candidate){
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count++;
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}
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count+=num===candidate ?1 :-1
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}
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// Phase 2: Verify if the candidate is actually the majority element
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count=0
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for(letnumofarr){
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if(num===candidate){
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count++
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}
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returncount>arr.length/2 ?candidate :null;
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};
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export{MooreVotingAlgorithm};
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}
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returncount>arr.length/2 ?candidate :null
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}
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export{MooreVotingAlgorithm}
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@@ -1,12 +1,11 @@
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import{MooreVotingAlgorithm}from"../MooreVotingAlgorithm";
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import{MooreVotingAlgorithm}from'../MooreVotingAlgorithm'
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describe('Moore Voting Algorithm',()=>{
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it.each([
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[[1,1,2,1,3,1,1],1],// Majority element 1
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[[1,2,3,4],null],// No majority element
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[[2,2,2,2,5,5,5,2],2],// Majority element 2
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[[],null],// Empty array, no majority
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[[3],3]// Single element, it's the majority
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])('returns %j when given %j',(array,expected)=>{
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expect(MooreVotingAlgorithm(array)).toEqual(expected);
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});
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});
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it.each([
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[[1,1,2,1,3,1,1],1],// Majority element 1
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[[2,2,2,2,5,5,5,2],2],// Majority element 2
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[[3],3],// Single element, it's the majority
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[[1,2,3,4,5,6,7],null]// No majority element in the array
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])('returns %j when given %j',(array,expected)=>{
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expect(MooreVotingAlgorithm(array)).toEqual(expected)
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})
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})

‎Maths/MobiusFunction.js

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Original file line numberDiff line numberDiff line change
@@ -28,6 +28,6 @@ export const mobiusFunction = (number) => {
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returnprimeFactorsArray.length!==newSet(primeFactorsArray).size
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?0
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:primeFactorsArray.length%2===0
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?1
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:-1
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?1
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:-1
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}

‎package-lock.json

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‎package.json

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"author":"TheAlgorithms",
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"license":"GPL-3.0",
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"devDependencies": {
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"@vitest/coverage-v8":"^1.2.1",
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"globby":"^13.2.2",
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"husky":"^8.0.3",
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"prettier":"^3.0.3",
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"vitest":"^1.2.1",
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"@vitest/coverage-v8":"^1.2.1"
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"prettier":"^3.3.3",
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"vitest":"^1.2.1"
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},
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"engines": {
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"node":">=20.6.0"

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