C语言程序设计教程_杨路明__课后习题答案

for(;;)

sum = sum sum*0.045; count ;

if(sum > 500)break;

printf(\6、 void main() int i,temp=0,bit=0; for(i = 1 ; i if(i%3 == 0) temp = i; for(;temp != 0;) bit = temp_;

if(bit == 5)printf(\temp = temp/10; printf(\\7、 #include int main(void) int steps = 29, i = 1; while ( steps % 7 ) steps = (30 * i) - 1;

printf(\return 0; 8、 main() int i,j,k,n;

printf(\for(n=100;n i=n/100; j=n/10-i*10;

k=n_;

if(i*i*i j*j*j k*k*k==n) printf(\9、 main()

float i,j,temp,n,sum; int t; i=2;j=1;sum=0; scanf(\for(n=1;n sum=sum i/j; temp=i;i=i j;j=temp;

printf(\10、 void main() int nWidth,a,b; scanf(\for(a=(nWidth%2);a for(b=0;b char chOut =' ';

int nleft =(nWidth -a)/2; int nright = (nWidth a)/2; if(b>=nleft&&b chOut ='*'; printf(\printf(\11、 void main() int i=1,j=1; for(i=1;i for(j=1;j

printf(\

printf(\12、

#include \void main() char c;

//count1是正数的个数 //count2是负数的个数 int count1=0,count2=0; //sum1是正数之和 //sum2是负数之和 int sum1=0,sum2=0; int flage = 0; c=getchar(); while(c != '*') if(c == '-')flage = 1; if(flage == 0) sum1 =(c-48);count1 ; else

if(c != '-')sum2-=(c-48);flage=0;count2 ; c = getchar();

printf(\

printf(\13、 void main() int i,j; int s = 0; for(i = 100 ; i s = 0; for(j=1; j

if( i%j == 0 ) s = s j; if(s == i)printf(\

14、 #include #include void main() int n; long k = 1; float e = 1; n = 1; clrscr();

while ( fabs(1.0/k) >= 0.000001) n ;

e = e 1.0/k; k = k * n; printf(\15、

#include \main()

float x0,x1,x2,f0,f1,f2; x1=-10;

f1=2*x1*x1*x1-4*x1*x1 3*x1; x2=10;

f2=2*x2*x2*x2-4*x2*x2 3*x2; do

x0=(x1 x2)/2;

f0=2*x0*x0*x0-4*x0*x0 3*x0; if((f0*f1) x2=x0; f2=f0; else

x1=x0; f1=f0; while(fabs(f0)>1e-6);

printf(\

printf(\

第六章

1、 #include

int divisor(int a,int b) int r; while((r=a%b)!=0) a=b; b=r; return b;

int multiple(int a,int b) int d; d=divisor(a,b); return a*b/d; void main() int a,b,c,d;

printf(\scanf(\c=divisor(a,b); d=multiple(a,b); printf(\2、 #include

void tongji(char a[]) int b[3]=0,0,0,i=0; while(a[i]!='')

if((a[i]=65)||(a[i]=97)) b[0] ;

else if(a[i]=48) b[1] ;