西工大C语言C++作业答案(2)

}

}

CH0709.txt

#include void main() { }

CH0714.txt

#include void main() { }

CH0814.txt

#include \#define N 5 #define M 3 float score[N][M]; float a_stu[N],a_cour[M]; int r,c;

void main()

char s1[100],s2[100],i,k; gets(s1);

gets(s2);

for(i=0;s1[i]!='\\0'&&s2[i]!='\\0';i++) if(s1[i]!=s2[i])break;

k=s1[i]-s2[i]; printf(\

int a[16]={1,4,9,13,21,34,55,89,144,233,377,570,671,703,812},i=0,j; scanf(\a[15]=j; while(a[i]!=j) i++;

if(i<15) printf(\else printf(\

{float s_var(); void input_stu(); void aver_stu(); void aver_cour(); int i,j; input_stu(); aver_stu(); aver_cour();

for (i=0;i

for(j=0;j

printf(\}

void input_stu() { int i,j;

for(i=0;i

scanf(\}

void aver_stu() {

int i,j; float s;

for(i=0;i

for(j=0,s=0;j

void aver_cour() { int i,j; float s;

for(j=0;j

for(i=0;i

s+=score[i][j]; a_cour[j]=s/(float)N; } }

float s_var() {int i;

float sumx,sumxn; sumx=0.0; sumxn=0.0; for(i=0;i

sumx+=a_stu[i]*a_stu[i]; sumxn+=a_stu[i];

}

return(sumx/N-(sumxn/N)*(sumxn/N)); }

CH0817.txt

#include void main() { long num; char a[100],*p=a; }

CH1005.txt

#include\void main() {

int i,k,m,n,num[50],*p; scanf(\p=num;

for(i=0;i

scanf(\if(!num)

printf(\while(num)

{*p++=num+'0';num/=10;} *p=0;

printf(\

i=0; k=0; m=0;

while(m

if(*(p+i)!=0) k++; if(k==3) { *(p+i)=0; k=0;m++; }

i++;

if(i==n) i=0; }

while(*p==0) p++;

printf(\}

CH1007.txt

#include\void main()

{

void copystr(char *p1,char *p2,int m); int m;

char str1[20],str2[20]; gets(str1);

scanf(\copystr(str1,str2,m); printf(\}

void copystr(char *p1,char *p2,int m) { int n; n=0; while (n

n++; p1++;}

while(*p1!='\\0')

{

*p2=*p1; p1++; p2++; } *p2='\\0'; }

CH1011.txt

#include\#include\void main()

{

void sort(char s[10][6]); int i;

char str[10][6]; for(i=0;i<10;i++) scanf(\sort(str);

for(i=0;i<10;i++) printf(\}

void sort(char s[10][6]) { int i,j;

char *p,temp[10]; p=temp;

for(i=0;i<9;i++) for(j=0;j<9-i;j++)

if(strcmp(s[j],s[j+1])>0) {

strcpy(p,s[j]); strcpy(s[j],s[+j+1]); strcpy(s[j+1],p); } }

CH1016.txt

#include\void main() {