é åã¨ã¯ nPm ã§è¡¨ç¾ããããn åã®è¦ç´ ãã m åãé¸æãã¦å¾ãããéè¤ã®ãªãæéåã®ãã¨ã ä¾ãã° âPâ ã®å ´åã¯ä»¥ä¸ã®ããã«åæãããã 1, 2 1, 3 2, 1 2, 3 3, 1 3, 2 C# ã§ã¯ãããå®ç¾ããããã®ã©ã¤ãã©ãªãããã©ã«ãã§ã¯ç¨æããã¦ããªããããèªåã§å®è£ ããå¿ è¦ãããã¾ãã ã³ã¼ã C# ã«ã¯ yield return ã LINQ ãããããæ¯è¼çç°¡æ½ã«å®è£ ãããã¨ãã§ãã¾ãã 以ä¸ãå®è£ using System.Collections.Generic; using System.Linq; namespace UniDotLog { public class Sample { public IEnumerable<int[]> GetPermutation(int n, int m) => GetPermutationInternal(Ar
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