求斐波那契數列的第N個數的值

難易程度 簡單 題目描述： Find the Nth number in Fibonacci sequence.(譯：如題)web A Fibonacci sequence is defined as follow: 斐波那契數列的定義以下：面試 The first two numbers are 0 and 1. 數列的前兩個數從0，1開始 The i th number is the sum

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