[Codility] [10–1] CountFactorsscore 100%)

【Lesson 10–1】: CountFactors 計算一個數字可取得多少個公因數 (score 100%)

public static int CountFactors(int N){int count = 0;for (int i = 1; i <= Math.Sqrt(N);i++){if (i == Math.Sqrt(N))count++;else if (N % i == 0)count = count + 2;}return count;}

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