《C語言及程序設計》第31講實踐項目

項目一

//分數求和 sum of fraction
#include <stdio.h>
int main()
{
    int n=1,s=1,m;
    float f,total=0;
    printf("Please enter m:");
    scanf("%d",&m);
    while(n<=m)
    {
        f = s*(1.0/n);
        total = total+f;
        n++;
        s=-s;
    }
    printf("total=%f",total);
    return 0;
}

//階乘
#include <stdio.h>
int main()
{
    int m,n=1,factorial=1;
    printf("Please enter m:");
    scanf("%d",&m);
    while(n<=m)
    {
        factorial = factorial*n;
        n++;
    }
    printf("factorial=%d",factorial);
    return 0;
}