目指せ！１００００件のスレ

8299：名無しさん＠でっかちゃんねらー：2008/10/03(金) 22:44:33: 助けてくれ

#include<stdio.h>
#include<stdlib.h>

#define NUM_OF_STUDENT 5

typedef struct grade {

int kokugo;
int suugaku;
int rika;
int syakai;
int eigo;
float average;
} stgrade;

void menu1(stgrade *pr , int student_num);
void menu2(stgrade *pr , int student_num);

int main(){

int i;
int menu;
int student_num;

stgrade student[NUM_OF_STUDENT];

for( i=0; i < NUM_OF_STUDENT; i++){
student[i].kokugo=0;
student[i].suugaku=0;
student[i].rika=0;
student[i].syakai=0;
student[i].eigo=0;
student[i].average=0.0;
}

menu = 1;

while(menu != 0){

printf("Input Menu >");
scanf("%d", &menu);

switch(menu){

case 0:
printf("thank you!\n");
break;

case 1:
printf("Input student number >");
scanf("%d", &student_num);
menu1( student , student_num );
break;

case 2:
menu2( student , student_num );
break;

default :
printf("0.. END\n1.. INPUT DATA\n2.. DISPLAY AVERAGE\n");
break;

}

}

exit(EXIT_SUCCESS);

}

void menu1( stgrade *pr , int student_num ){

printf("kokugo>");
scanf("%d", &(pr+student_num-1)->kokugo);
printf("suugaku>");
scanf("%d", &(pr+student_num-1)->suugaku);
printf("rika>");
scanf("%d", &(pr+student_num-1)->rika);
printf("syakai>");
scanf("%d", &(pr+student_num-1)->syakai);
printf("eigo>");
scanf("%d", &(pr+student_num-1)->eigo);

(pr+student_num-1)->average = ( (float) (pr+student_num-1)->kokugo + (pr+student_num-1)->suugaku + (pr+student_num-1)->rika + (pr+student_num-1)->syakai + (pr+student_num-1)->eigo )/ 5.0;

return;

}

void menu2( stgrade *pr , int student_num ){

int i;

for(i=0; i<5; i++){
printf("Student %d\nKokugo : %d,",i+1,(pr+student_num-1)->kokugo);
printf("Suugaku : %d,",(pr+student_num-1)->suugaku);
printf("Rika : %d,",(pr+student_num-1)->rika);
printf("Syakai : %d,",(pr+student_num-1)->syakai);
printf("Eigo : %d,\n",(pr+student_num-1)->eigo);
printf("Average = %5.3f\n",(pr+student_num-1)->average);
}

return;

}

何が間違ってるかわからん

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