第三次作业 张羽泽

1.#include<stdio.h>//三角形
int main()
{
    
    printf("*\n");
    printf("**\n");
    printf("***\n");
    printf("****\n");
    printf("*****\n");
    printf("******\n");
    printf("*******\n");
    printf("********\n");
    printf("*********\n");
    printf("**********\n");
return 0; }
2.#include<stdio.h>//矩形 
int main()
{
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    printf("**********\n");
    return 0;
}
3.#include<stdio.h>//倒三角形 
int main()
{
    printf("**********\n");
    printf("*********\n");
    printf("********\n");
    printf("*******\n");
    printf("******\n");
    printf("*****\n");
    printf("****\n");
    printf("***\n");
    printf("**\n");
    printf("*\n");
return 0; }
4.#include<stdio.h> // 成绩 
int main()
{
    char score;
    scanf("%c",&score);
    switch (score)
    {
        case 'A':
              printf("90~100");
              break;
        case 'B':
              printf("80~89");
              break; 
        case 'C':
              printf("70~79");
              break;
        case 'D':
              printf("60~69");
              break;
        case 'E':
              printf("0~59");
              break; 
    } 
return 0; }
5.#include<stdio.h> //温度的转换 
int main()
{
    int F=100;//F为华氏温度,C为摄氏温度 
    int C;
    C=(5*(F-32)/9); 
    printf("%d",C);
    return 0;
}
6.#include<stdio.h>//下落距离 
int main()
{
    int t=3;
    int g=10;
    int H;//下落高度 
    H=0.5*g*t*t;
    printf("f(t)=%d",H);
    return 0;    
}
7.#include<stdio.h>
int main()
{
   int a,b,c,x;
    x=152;
    a=x%10;
    b=(x/10)%10;
    c=x/100;
   printf()
  
 }

  

8.#include<stdio.h>
#include<math.h>
int main()//函数 
{
    double x;
    double y;
    scanf("%lf",&x);
    if(x>=0)
           y=sqrt(x);
    else
           y=pow(x+1,2)+2*x+1/x;
printf("f(x)=%f",y);
return 0;           
}
#include<stdio.h> 电费
#include<math.h>
int main()
{
    double x;
    double cost;
    printf("请输入x的值");
    scanf("%lf",&x);
    if(x>0&&x<=50)
       printf("cost=%f",cost=0.53*x);
    else if(x>50)
       printf("cost=%f",cost= 50*0.53+(x-50)*0.58);
    else
       printf("Invalid Value!"); 
}

 

posted on 2016-09-29 18:29  张羽泽160809306  阅读(143)  评论(1编辑  收藏  举报