推荐回答(6个)
第一次作业
1、
#include
#define pi 3.14
int main(void)
{
float d = 3; /*这里填写圆的直径*/
float s1,c,s2,v;
s1 = pi * d/2 *d/2;
c = 2 * pi * d/2;
s2 = 4 * pi * d/2 * d/2;
v = (4 * pi * d/2 * d/2 * d/2) / 3;
printf("圆面积是:%f,圆周长是:%f,圆球表面积是:%f,圆球体积是:%f.\n",s1,c,s2,v);
return 0;
}
2、
#include
#define pi 3.14
int main(void)
{
float r = 3,h = 3; /*这里填写圆柱的半径r和高h*/
float v;
v = pi * r * r * h;
printf("圆柱的体积是:%f.\n",v);
return 0;
}
3、
#include
#define pi 3.14
int main(void)
{
float f,c;
printf("请输入华氏温度:");
scanf("%f",&f);
c = (f - 32) / 1.8; /*摄氏度 = (华氏度 - 32) ÷ 1.8*/
printf("摄氏温度为:%f.\n",c);
return 0;
}
第二次作业
4、
#include
#define pi 3.14
int main(void)
{
float a,b,c,h,j,average;
printf("请输入三个数:\n");
scanf("%f%f%f",&a,&b,&c);
h = a + b + c;
j = a * b * c;
average = h / 3;
printf("三个数的和为:%f,积为:%f,平均值为:%f.\n",h,j,average);
return 0;
}
5、
#include
#define pi 3.14
int main(void)
{
char input,output;
printf("请输入大写字母:\n");
scanf("%c",&input);
output = input + 32;
printf("其小写字母为:%c.\n",output);
return 0;
}
6、
#include
#define pi 3.14
int main(void)
{
char c1 = 'c',c2 = 'h',c3 = 'i',c4 = 'n',c5 = 'a';
printf("密码为:%c%c%c%c%c.\n",c1+4,c2+4,c3+4,c4+4,c5+4);
return 0;
}
#include
void suanyuan()
{
float t,c,d,e,f;
printf("请输入圆的直径:");
scanf("%f",&t);
c=3.14*t*t;
d=6.28*t;e=4*3.14*t*t;f=4*3.14*t*t*t/3.0;
printf("圆的面积是%8.2f\n",c);
printf("圆周长是%8.2f\n",d);
printf("圆球表面积是%8.2f\n",e);
printf("圆球体积是%8.2f\n",f);
}
void yuanzhu()
{
float r,h,v;
printf("请输入圆柱的半径:");
scanf("%f",&r);
printf("请输入圆柱的高:");
scanf("%f",&h);
v=0.5*3.14*r*r*h;
printf("圆柱的体积为:%8.2f",v);
}
void wendu()
{
int f,c;
printf("输入一个华氏温度:");
scanf("%d",&f);
c=f-32;
printf("摄氏温度为:%d",c);
}
void main()
{
suanyuan();
yuanzhu();
wendu();
}
第一次作业
第一次作业:
#include
define PI 3.14
void main()
{
float r = 5;
float h = 4;
float S, C, V1, V2;
S = PI * r * r;
C = 2.0 * PI * r;
V1 = 4 * PI * r * r * r / 3;
V2 = S * h;
printf("半径为:%f\n", r);
printf("面积为:%f\n", S);
printf("周长为:%f\n", C);
printf("体积为:%f\n", V1);
printf("------------\n");
printf("半径为:%f\n", r);
printf("高为:%f\n", h);
printf("体积为:%f\n", V2);
printf("------------\n");
int c, f;
printf("请输入华氏温度:");
scanf("%d", &f);
c = f - 32;
printf("摄氏温度为:%d\n", c);
}
第二次作业:
4.
#include
void main()
{
float a, b, c;
printf("输入3个数:");
scanf("%f %f %f", &a, &b, &c);
printf("和:%f\n", a + b + c);
printf("积:%f\n", a * b * c);
printf("平均值:%f\n", (a + b + c) / 3);
}
5.
#include
void main()
{
char ch;
printf("请输入一个大写字母:");
scanf("%c", &ch);
printf("小写字母为:%c\n", ch + 0x20);
}
6.
#include
void main()
{
char ch[10] = "china";
int i;
for (i = 0; i != 5; ++i)
{
if (ch[i] >= 'a' && ch[i] <= 'v')
{
ch[i] += 4;
}
else
{
ch[i] -= 22;
}
}
for (i = 0; i != 5; ++i)
{
printf("%c", ch[i]);
}
}
楼主,这些题都不难啊。作业嘛,还是自己做好一点,这次就帮你做了,不过要好好理解学习啊!
1
#include
int main()
{
double r;
double pi = 3.14159265358979323846264 ;
printf("输入圆的半径:");
scanf("%lf",&r);
if (r<0)
{
r = -r;
}
printf("圆周长:%.2f\n",2*pi*r);
printf("圆面积:%.2f\n",r*r*pi);
printf("圆球表面积:%.2f\n",4*pi*r*r);
printf("圆球体积:%.2f\n",4*pi*r*r*r/3);
return 0;
}
2
#include
int main()
{
double r,h;
double pi = 3.14159265358979323846264 ;
printf("输入圆的半径和高:");
scanf("%lf%lf",&r,&h);
if (r<0)
{
r = -r;
}
if (h<0)
{
h=-h;
}
printf("圆柱体积:%.2f\n",pi*r*r*h);
return 0;
}
3
#include
int main()
{
double r;
printf("输入华氏温度:");
scanf("%lf",&r);
if (r<0)
{
r = -r;
}
printf("摄氏温度为:%.2f\n",(r-32)/1.8);
return 0;
}
4
#include
int main()
{
double a,b,c;
printf("输入三个数:");
scanf("%lf%lf%lf",&a,&b,&c);
printf("均值为:%.2f\n",(a+b+c)/3);
printf("和为:%.2f\n",(a+b+c));
printf("积为:%.2f\n",a*b*c);
return 0;
}
5
#include
int main()
{
char a;
printf("输入一个大写字母:");
scanf("%c",&a);
if (a<'A' || a>'Z')
{
printf("inout error\n");
return 0;
}
printf("小写字母为:%c\n",a-'A'+'a');
return 0;
}
6
#include
int main()
{
char a='c',b='=h',c='i',d='n',e='a';
printf("转换后:%c%c%c%c%c\n",a+4,b+4,c+4,d+4,e+4);
return 0;
}
#include
#include
#include
#define pi 3.14
//第1~2题
void circle()
{
float d,h;
printf("请输入圆的直径:");
scanf("%f",&d);
printf("请输入圆柱的高:");
scanf("%f",&h);
printf("圆的面积:%f\n",(pi*d*d)/4);
printf("圆的周长:%f\n",pi*d);
printf("球的表面积:%f\n",pi*d*d);
printf("球的体积:%f\n",(pi*d*d*d)/6);
printf("圆柱体积:%f\n",(pi*d*d*h)/4);
}
//第三题
void temperature()
{
float t;
printf("请输入一个华氏温度:");
scanf("%f",&t);
printf("摄氏温度为:%f\n",t-32);
}
//第四题
void fun()
{
int a,b,c;
printf("请输入三个整数:");
scanf("%d %d %d",&a,&b,&c);
printf("三个数的和:%d\n",a+b+c);
printf("三个数的积:%d\n",a*b*c);
printf("三个数的平均值:%d\n",(a+b+c)/3);
}
//第五题
void change()
{
char c1;
printf("请输入一个大写字母:");
scanf("%c",&c1);
printf("转化为小写字母为:%c\n",c1+32);
}
//第六题
void pass()
{
char a[5]={'c','h','i','n','a'};
for(int i=0;i<5;i++)
{
a[i]=a[i]+4;
printf("%c",a[i]);
}
printf("\n");
}
void main()
{
printf("第1~2题******\n");
circle();
printf("\n第3题******\n");
temperature();
printf("\n第4题******\n");
fun();
printf("\n第5题******\n");
change();
printf("\n第6题******\n");
pass();
}
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