阶乘的和
1 #include <iostream>
2 using namespace std;
3 int main()
4 {int jc(int);
5
6 int a,b,c;
7 cin>>a>>b>>c;
8 cout<<a<<"!+"<<b<<"!+"<<c<<"!="<<jc(a)+jc(b)+jc(c)<<endl;
9
10 return 0;
11 }
12
13
14
15 int jc(int n)
16 { int j;
17 if(n==0||n==1)j=1;
18 else j=n*jc(n-1);
19 return j;
20
21 }
2 3 5
2!+3!+5!=128
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