grades.c

c21Examples.rar

/*grades.c - Sample program with array */
/* Get 10 grades and then average them */

#include <stdio.h>

#define MAX_GRADE 100
#define STUDENTS  10

int grades[STUDENTS];

int idx;
int total = 0;           /* used for average */

int main( void )
{
    for( idx=0;idx< STUDENTS;idx++)
    {
        printf( "Enter Person %d's grade: ", idx +1);
        scanf( "%d", &grades[idx] );

        while ( grades[idx] > MAX_GRADE )
        {
            printf( "\nThe highest grade possible is %d",
                    MAX_GRADE );
            printf( "\nEnter correct grade: " );
            scanf( "%d", &grades[idx] );
        }

        total += grades[idx];
    }

    printf( "\n\nThe average score is %d\n", ( total / STUDENTS) );

    return (0);
}