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