33 lines
537 B
C++
33 lines
537 B
C++
//计算阶乘
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#include <iostream>
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using namespace std;
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/*
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int main() {
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int n;
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cin >> n; // 输入一个正整数n
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long long result = 1; // 使用long long类型来避免结果溢出
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// 计算阶乘
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for (int i = 1; i <= n; ++i) {
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result *= i;
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}
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cout << result << endl; // 输出阶乘的结果
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return 0;
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}
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*/
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int main(){
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long long sum = 1;
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int n;
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cin >>n;
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int i = 1;
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while (i <= n)
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{
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sum *= i;
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i++;
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}
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cout <<sum<<endl;
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return 0;
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} |