Question

用C语言编写，求1*3*5*....100

s1: 1p
s2: 3i
s3: p * ip
s4: i + 2p
s5: 若 i <=100, 返回S3。否则，结束。

Answer 1

#include<stdio.h>
main()
{ int sum=1,i;
for(i=1;i<101;)
{sum=sum*i;
i+=2;}
printf("%d",sum);
}

Answer 2

void main()
{
int i,sum=0;
for(i=1;i<=100;i++)
{
sum+=i;
}
printf("%d\n",sum);
}