C语言程序设计(谭浩强)第四版-课后答案解析

else {x1=x0; fx1=fx0; }

}while(fabs (fx0)>=1e-5); printf(\ return 0; }

5-16

#include <> int main() {int i,j,k;

for (i=0;i<=3;i++) {for (j=0;j<=2-i;j++) printf(\

for (k=0;k<=2*i;k++) printf(\ printf(\ }

for (i=0;i<=2;i++) {for (j=0;j<=i;j++) printf(\

for (k=0;k<=4-2*i;k++) printf(\ printf(\ }

return 0; }

5-17

#include <> int main() {

char i,j,k; /*是a的对手;j是b的对手;k是c的对手*/ for (i='x';i<='z';i++) for (j='x';j<='z';j++) if (i!=j)

for (k='x';k<='z';k++) if (i!=k && j!=k) if (i!='x' && k!='x' && k!='z') printf(\ return 0;

}

第6章利用数组处理批量数据 【第168页】 6-1

#include <> #include <> int main()

{int i,j,n,a[101];

for (i=1;i<=100;i++) a[i]=i; a[1]=0;

for (i=2;i

for (i=2,n=0;i<=100;i++) { if(a[i]!=0) {printf(\ n++; }

if(n==10)

{printf(\ n=0; } }

printf(\ return 0; } 6-2

#include <> int main()

{int i,j,min,temp,a[11]; printf(\ for (i=1;i<=10;i++) {printf(\ scanf(\ }

printf(\

printf(\ for (i=1;i<=10;i++) printf(\ printf(\ for (i=1;i<=9;i++) {min=i;

for (j=i+1;j<=10;j++) if (a[min]>a[j]) min=j; temp=a[i]; a[i]=a[min]; a[min]=temp; }

printf(\ for (i=1;i<=10;i++) printf(\ printf(\ return 0; } 6-3

#include <> int main() {

int a[3][3],sum=0; int i,j;

printf(\ for (i=0;i<3;i++) for (j=0;j<3;j++)

scanf(\ for (i=0;i<3;i++) sum=sum+a[i][i];

printf(\ return 0; } 6-4

#include <> int main()

{ int a[11]={1,4,6,9,13,16,19,28,40,100}; int temp1,temp2,number,end,i,j; printf(\ for (i=0;i<10;i++) printf(\ printf(\

printf(\ scanf(\ end=a[9];

if (number>end) a[10]=number; else

{for (i=0;i<10;i++) {if (a[i]>number) {temp1=a[i]; a[i]=number; for (j=i+1;j<11;j++) {temp2=a[j]; a[j]=temp1; temp1=temp2; } break; } } }

printf(\ for (i=0;i<11;i++) printf(\ printf(\ return 0; }

6-5

#include <> #define N 5 int main()

{ int a[N],i,temp;

printf(\ for (i=0;i

for (i=0;i

return 0; } 6-10

#include <> int main()

{int i,j,upp,low,dig,spa,oth; char text[3][80];

upp=low=dig=spa=oth=0; for (i=0;i<3;i++)

{ printf(\ gets(text[i]);

for (j=0;j<80 && text[i][j]!='\\0';j++) {if (text[i][j]>='A'&& text[i][j]<='Z') upp++;

else if (text[i][j]>='a' && text[i][j]<='z') low++;

else if (text[i][j]>='0' && text[i][j]<='9') dig++;

else if (text[i][j]==' ') spa++; else oth++; } }

printf(\ printf(\ printf(\ : %d\\n\ printf(\ : %d\\n\ printf(\ : %d\\n\ return 0; } 6-11

#include <> int main()

{ char a[5]={'*','*','*','*','*'}; int i,j,k;

char space=' '; for (i=0;i<5;i++) { printf(\ printf(\ \