2020-11-28から1日間の記事一覧
Javascriptで順列を求める 考えたコード function permutations (ary = [ ], r = ary.length) { function recursion (ary, r, A = []) { if (r == 0) return ary.map (a=> A.concat(a)); let result = []; for (let i = 0; i < ary.length; i++) { let aaa =…
Javascriptで順列を求める 考えたコード function permutations (ary = [ ], r = ary.length) { function recursion (ary, r, A = []) { if (r == 0) return ary.map (a=> A.concat(a)); let result = []; for (let i = 0; i < ary.length; i++) { let aaa =…