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No dependencies package to calculate and list permutation and combination.
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kota-yata/Percom
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npm package listing and calculating combination and permutation
$ npm i percomimportpercomfrom"percom";percom.com(array,num);//array => Target array (対象の配列)//num => Number of elements in a combination (組み合わせの数)
constarray=["A","B","C"];constresult1=percom.com(array,2);//result1 = [ [ "A", "B" ], [ "A, "C ], [ "B", "C" ] ]constresult2=percom.com(array,1);//result2 = [ [ "A" ], [ "B" ], [ "C" ] ]
percom.countCom(n,r);//n => Number of elements in an array (要素数)//r => Number of elements in a combination (選ぶ要素の数)
percom.countCom(8,3);// => 56
percom.per(array,num);//array => Target array (対象の配列)//num => Number of elements in a permutation (一つ一つの順列の要素数)
constarray=["A","B","C"];constresult1=percom.per(array,2);//result1 = [ [ 'A', 'B' ], [ 'A', 'C' ], [ 'B', 'A' ], [ 'B', 'C' ], [ 'C', 'A' ], [ 'C', 'B' ] ]constresult2=percom.per(array,1);//result2 = [ [ "A" ], [ "B" ], [ "C" ] ]
percom.countPer(n,r);//n => Number of elements in an array (要素数)//r => Number of elements in a permutation (一つ一つの順列の要素数)
percom.countPer(8,3);// => 336
percom is underMIT license
yarninstall// before create PRyarnmocha
Since lint-staged and husky are set up, your code will be formatted before commit.
Kota Yatagai (https://kota_yata.com)
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No dependencies package to calculate and list permutation and combination.