24 lines
389 B
C++
24 lines
389 B
C++
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// 编写一个函数，用于计算一个整数的阶乘，并返回结果。
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#include <iostream>
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using namespace std;
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int factorial(int n)
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{
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int result = 1;
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while (n)
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{
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result *= n;
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n--;
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}
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return result;
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}
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int main()
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{
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int n;
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cout << "请输入一个整数：";
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cin >> n;
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cout << n << "! = " << factorial(n) << endl;
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return 0;
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}
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