《C语言程序设计》(苏小红)-课后习题答案-高等教育出版社.docx

《C语言程序设计》(苏小红)-课后****题答案-高等教育出版社
1

#include<>
main()
{
float x=,y=,z=;
printf("x=%f\n",x);
printf("y=%f\n",y);
printf("z=%f\n",z);
}
(1)
#include<>
main()
{
int a=12,b=3;
float x=,y=;
printf("%f\n",(float)(a*b)/2);
printf("%d\n",(int)x%(int)y);
}
(2)
#include<>
main()
{
int x=32,y=81,p,q;
p=x++;
q=--y;
printf("%d %d\n",p,q);
printf("%d %d\n",x,y);
}

#include<>
main()
{
int x,b0,b1,b2,s;
printf("Inputx:");
scanf("%d",&x);
b2=x/100;
b1=(x-b2*100)/10;//或(x%100)/10;或x/10%10;
b0=x%10;
2
s=b0*100+b1*10+b2;
printf("s=%d\n",s);
}

#include<>
#include<>
main()
{
float rate=;
float n,capital,deposit;
printf("Input n,capital:");
scanf("%f,%f",&n,&capital);
deposit=capital*pow(1+rate,n);
printf("deposit=%f\n",deposit);
}

#include<>
#include<>
main()
{
float a, b, c;
double x, y;
printf("Input a, b, c:");
scanf("%f %f %f", &a, &b, &c);
x=(-b+sqrt(b*b-4*a*c))/(2*a);
y=(-b-sqrt(b*b-4*a*c))/(2*a);
printf("x=%f,y=%f\n",x,y);
}(1)
#include<>
main()
{
char c1='a',c2='b',c3='c';
printf("a%cb%cc%c\n",c1,c2,c3);
}
(2)
#include<>
main()
{
int a=12,b=15;
printf("a=%d%%,b=%d%%\n",a,b);
3
}
(3)
#include<>
main()
{
int a,b;
scanf("%2d%*2s%2d",&a,&b);
printf("%d,%d\n",a,b);
}

#include<>
main()
{
long a,b;
float x,y;
scanf("%d,%d\n",&a,&b);
scanf("%f,%f\n",&x,&y);
printf("a=%d,b=%d\n",a,b);
printf("x=%f,b=%f\n",x,y);
}

#include<>
main()
{
float a;
printf("Input a:");
scanf("%f",&a);
if(a>=0)
{
a=a;
printf("a=%f\n",a);
}
else
{
a=-a;
printf("a=%f\n",a);
}
}

#include<>
main()
{
int a;
printf("Input a:");
4
scanf("%d", &a);
if(a%2==0)
{
printf("a 是偶数");
}
else
{
printf("a 是奇数");
}
}

#include<>
#include<>
main()
{
f