题解 | #n的阶乘#
n的阶乘
https://www.nowcoder.com/practice/97be22ee50b14cccad2787998ca628c8
#include <cstdio>
long long FuncUser(int n){
if (n == 1){
return 1;
} else{
return FuncUser(n - 1) * n;
}
}
int main(){
int n;
scanf("%d",&n);
printf("%lld",FuncUser(n));
}
