#include <stdio.h>

#include <malloc.h>

#include <string.h>

typedef struct {

int ID;

char fname[30], lname[30];

int hwrk[20], exams[20], fExam;

} studentrectype;

typedef struct {

char cname[40];

int numS, numH, numE;

float wghtH, wghtE, wghtF;

} classtype;

studentrectype *students;

classtype section;

void getrec(FILE *f, studentrectype *s);

main()

{

FILE *f;

char c;

int i, j;

float score;

f = fopen("egr155.dat", "rt");

fscanf(f, "%s\n", section.cname);

fscanf(f, "%d\n", &section.numS);

fscanf(f, "%d %d\n", &section.numH, &section.numE);

fscanf(f, "%f %f %f\n", &section.wghtH, &section.wghtE, &section.wghtF);

students = (studentrectype *)malloc(section.numS * sizeof(studentrectype));

for (i=0; i < section.numS; i++) {

getrec(f, students+i);

score = 0;

for (j=0; j < section.numH; j++) score += section.wghtH * students[i].hwrk[j];

for (j=0; j < section.numE; j++) score += section.wghtE * students[i].exams[j];

score += section.wghtF * students[i].fExam;

if (score >= 90) c = 'A';

else if (score >= 80) c = 'B';

else if (score >= 70) c = 'C';

else if (score >= 60) c= 'D';

else c = 'F';

printf("The grade for %s %s is:\t%6.2f %c\n", students[i].fname, students[i].lname, score, c);

}

return 0;

}

void getrec(FILE *f, studentrectype *s)

{

char buf[2048], *ss;

int *ip;

fgets(buf, 2048, f);

ss = strtok(buf, "\t\n");

s->ID = atoi(ss);

ss = strtok(NULL, "\t\n");

strcpy(s->fname, ss);

ss = strtok(NULL, "\t\n");

strcpy(s->lname, ss);

fgets(buf, 2048, f);

ip = s->hwrk;

ss = strtok(buf, "\t\n");

do {

*ip++ = atoi(ss);

} while ((ss = strtok(NULL, "\t\n")) != NULL);

fgets(buf, 2048, f);

ip = s->exams;

ss = strtok(buf, "\t\n");

do {

*ip++ = atoi(ss);

} while ((ss = strtok(NULL, "\t\n")) != NULL);

fscanf(f, "%d\n", &s->fExam);

}

EGR155

3

4 2

1.0 1.0 0.0

1 Tim Adair

7 8 6 16

20 25

0

2 Tom Bair

7 7 8 16

15 20

0

3 Jim Dahl

6 6 6 16

22 27

0