n; for(i=1;i<=n;i++) j*=i; cout<<"正整数"<<<"的阶乘为:"<<">
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1.
- int main()
- {
- long w, n,i,j=1;
- cout<<"请输入正整数n:"<<endl;
- cin>>n;
- for(i=1;i<=n;i++)
- j*=i;
- cout<<"正整数"<<n<<"的阶乘为:"<<j<<endl;
- return 0;
- }
2.
- int fac(int n)
- {
- static int f=1;
- f=f*n;
- return f;
- }
- int fac(int n)
- {
- register int i,f=1;
- for(i=1;i<=n;i++) f=f*i;
- return f;
- }
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