C语言日记

我的第一个

c语言程序

/*This  is  a  test  program  */

/*This  program  was  written  by  LiuJiaFeng  .*/

/*Modified  in  2013  10  15  .*/

 

#include

Int  man（）

{

printf(“very     good   \n\n”)；

    getcher（）；

return  0；

}

我的第二个c语言程序

/* This is a test program */

/* This program was written by LiuJiaFeng. */

/* Modified in 2013 10 16 */

 

#include

int main()

 

{

    float h,r,l,s, sq,vq,vz;

    float pi=3.1415926;

 

    printf("please input the radius r, cylindrical high.\n");

    scanf("%f,%f",&r,&h);

    l = 2 * pi * r ;

    s = r * r * pi ;

    sq = 4 * pi * r * r;

    vq = 3.0/4.0 * pi * r * r * r;

    vz = pi * r * r * h;

    printf("The perimeter of a circle is : l = %6.2f \n",l);

    printf("The area of a circle is : s= %6.2f \n",s);

    printf("Spherical surface area is : sq = %6.2f \n",sq);

    printf("Ball size is : v = %6.2f \n",vq);

    printf("Cylindrical volume is : vz = %6.2f \n",vz);

    getchar();

    return 0 ;

}

              不靠老师自己写的

/* This is a test program */

/* This program was written by LiuJiaFeng. */

/* Modified in 2013 10 16 */

 

#include

int main()

 

{

 

    float x, y1, y2, y3, y4, y5, y6, y7, y8;

 

    printf("please input the x and y .\n");

    scanf("%f",&x);

    y1 = x+ 1 ;

    y2 = x * x + 2 ;

    y3 = x * x * x + 3 ;

    y4 = x * x * x * x + 4 ;

    y5 = x * x * x * x * x + 5 ;

    y6 = x * x * x * x * x * x + 6 ;

    y7 = x * x * x * x * x * x * x + 7 ;

    y8 = x * x * x * x * x * x * x * x + 8;

    printf("yi ci fang cheng : y1 = %6.2f \n",y1);

    printf("er ci fang cheng : y2 = %6.2f \n",y2);

    printf("san ci fang cheng :y3 = %6.2f \n",y3);

    printf("si ci fang cheng : y4= %6.2f \n",y4);

    printf("wu ci fang cheng : y5 = %6.2f \n",y5);

    printf("liu ci fang cheng : y6= %6.2f \n",y6);

    printf("qi ci fang cheng : y7 = %6.2f \n",y7);

    printf("ba ci fang cheng : y8= %6.2f \n",y8);

     return 0 ;

}