李喆第6次作业

#include<stdio.h>
    int sum=0;
    int OddSum(int n)
{
    if(n%2)
        sum+=n;
        return sum;
}
     int main()
{
    int num,n,i,result;
    printf("输入n:");
    scanf("%d",&n);
    printf("依次输入每个值并用空格隔开
");
    for(i=0;i<n;i++)
    {
        scanf("%d",&num);
        result=OddSum(num);
    }    
    printf("%d所有的奇数和为%d
",n,result);
    return 0;
}

复制代码
#include<stdio.h>
double mypow(double x,int n)
{
    double t=1;
    int i;
    for(i=0;i<n;i++)
        t=t*x;
    return t;
}
    int main()
{
    double x,result;
    int n;
    printf("请输入底数x:");
    scanf("%lf",&x);
    printf("请输入指数n:");
    scanf("%d",&n);
    result=mypow(x,n);
    printf("结果为%lf",result);
}

#include<stdio.h>
double cylinder(double r,double height)
{
    double v;
    v=3.14*r*r*height;
    return v;
}
    int main()
{
    double result,r,height;
    printf("请输入半径r:");
    scanf("%lf",&r);
    printf("请输入高height:");
    scanf("%lf",&height);
    result=cylinder(r,height);
    printf("体积为%lf",result);
    return 0;
}