#include <stdio.h>
#include <stdlib.h>
#include <math.h>
// using sqrt() which in <math.h>
void adjust(float *, float *, int);
int main()
{
float *grade1, *grade2;
int num, i;
printf("the number of students: ");
scanf("%d", &num);
// dynamic allocation
grade1 = (float *)malloc(num*sizeof(float));
grade2 = (float *)malloc(num*sizeof(float));
for (i=0 ; i<num ; i++){
printf("%dth student's grade: ", i+1);
scanf("%f", &grade1[i]);
}
adjust(grade1, grade2, num);
printf("\n==========================\n");
for (i=0 ; i<num ; i++){
printf("%dth \t %.2f \t %.2f\n", i+1, grade1[i], grade2[i]);
}
system("pause");
return 0;
}
// edit the original data -> don't need to return any data
void adjust(float *g1, float *g2, int num)
{
int i;
for (i=0 ; i<num ; i++){
g2[i] = 10*sqrt(g1[i]);
}
}