计算N阶乘，ifelse咋回事

Question

#include<stdio.h>
int facl(int n)

if (n <= 1);
return 1;
     
else  return (n * facl(n - 1)) ;

int main()

int n = 0;
int ret = 0;
scanf_s("%d", & n);
    ret = facl(n);
    printf("%d\n", ret);
return 0;

Answer 1

你if后面不要写分号，相当于白判断了