student_grade

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

#define MAX 50

struct BasReq{
   int StudID;        // nine digits
   int W[10];         // grade of week i
   float BasR;        // average from W[0] ~ W[9]
};


int main()
{
    float sum=0;
    srand(time(NULL));

    BasReq BR[MAX]={
     {499410001,{0},0},
     {499410002,{0},0},
     {499410003,{0},0},};

    for (int i=0;i<3;i++)
    {
        for (int j=0;j<10;j++)
        {
            BR[i].W[j] = rand()%100;
            sum += BR[i].W[j];
        }
        BR[i].BasR = sum/10;
        sum = 0;
    }

    printf("      ID      BasR  W01  W02  W03  W04  W05  W06  W07  W08  W09  W10\n");
    printf("--------------------------------------------------------------------\n");
    for (int i=0;i<3;i++)
    {
        printf("  %d   %2.1f   ", BR[i].StudID, BR[i].BasR);
        for (int j=0;j<10;j++)
        {
            printf("%02d   ", BR[i].W[j]);
        }
        printf("\n");
    }
    system("pause");
    return 1;
}