{ int i,j; float h;
float s_var(void); float highest();
void input_stu(void); void aver_stu(void); void aver_cour(void); input_stu(); aver_stu(); aver_cour();
printf(\ NO. cour1 cour2 cour3 cour4 cour5 for(i=0;i
{printf(\ for(j=0;j
printf(\ printf(\ }
printf(\ for (j=0;j
printf(\ printf(\ h=highest();
printf(\ NO. - course -\\n\ printf(\ return 0; }
void input_stu(void) {int i,j;
for (i=0;i
{printf(\ for (j=0;j
scanf(\ } }
void aver_stu(void) {int i,j; float s;
for (i=0;i
{for (j=0,s=0;j
aver\\n\ } }
void aver_cour(void) {int i,j; float s;
for (j=0;j
for (i=0;i
float highest() {float high; int i,j;
high=score[0][0]; for (i=0;i
return(high); }
float s_var(void) {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)); } 7-15
#include
int main()
{void input(int [],char name[][8]); void sort(int [],char name[][8]); void search(int ,int [],char name[][8]); int num[N],number,flag=1,c; char name[N][8]; input(num,name); sort(num,name); while (flag==1)
{printf(\ scanf(\ search(number,num,name); printf(\ getchar(); c=getchar(); if (c=='N'||c=='n') flag=0; } return 0; }
void input(int num[],char name[N][8]) {int i;
for (i=0;i
{printf(\ scanf(\ printf(\ getchar(); gets(name[i]); } }
void sort(int num[],char name[N][8]) { int i,j,min,templ; char temp2[8]; for (i=0;i
for (j=i;j
if (num[min]>num[j]) min=j; templ=num[i];
strcpy(temp2,name[i]); num[i]=num[min];
strcpy (name[i],name[min]); num[min]=templ;
strcpy(name[min],temp2); }
printf(\ for (i=0;i
printf(\ }
void search(int n,int num[],char name[N][8]) {int top,bott,mid,loca,sign; top=0; bott=N-1; loca=0; sign=1;
if ((n
while((sign==1) && (top<=bott)) {mid=(bott+top)/2; if (n==num[mid]) {loca=mid; printf(\ sign=-1; } else if (n
if (sign==1 || loca==-1)
printf(\ } 8-1
#include
{ void swap(int *p1,int *p2); int n1,n2,n3; int *p1,*p2,*p3;
printf(\ scanf(\ p1=&n1; p2=&n2; p3=&n3;
if(n1>n2) swap(p1,p2); if(n1>n3) swap(p1,p3); if(n2>n3) swap(p2,p3);