sort(str);
printf(\ for (i=0;i void sort(char str[]) {int i,j; char t; for(j=1;j for (i=0;(i #include <> #include <> int main() {float solut(float a,float b,float c,float d); float a,b,c,d; printf(\ scanf(\ printf(\ return 0; } float solut(float a,float b,float c,float d) {float x=1,x0,f,f1; do {x0=x; f=((a*x0+b)*x0+c)*x0+d; f1=(3*a*x0+2*b)*x0+c; x=x0-f/f1; } while(fabs(x-x0)>=1e-3); return(x); } 7-13 #include <> #define N 10 #define M 5 float score[N][M]; float a_stu[N],a_cour[M]; int r,c; int main() { 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 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(\ cour5 aver\\n\ } } void aver_stu(void) {int i,j; float s; for (i=0;i {for (j=0,s=0;j 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=; sumxn=; for (i=0;i {sumx+=a_stu[i]*a_stu[i]; sumxn+=a_stu[i]; } return(sumx/N-(sumxn/N)*(sumxn/N)); } 7-*14 #include <> #define N 10 #define M 5 float score[N][M]; float a_stu[N],a_cour[M]; int r,c; int main() { 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 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; } cour5 aver\\n\