efds

#include<stdio.h>
int main()
{
    int a[10],n,i,cr[10],soc=0;
    double gpa[10],cgpa,sum=0;
   printf("Enter how many course:");
   scanf("%d",&n);
   for(i=0;i<n;i++)
   {
       scanf("%d",&a[i]);
   }
   for(i=0;i<n;i++)
   {

    if(a[i]>=80 && a[i]<=100)
    {
       printf("gpa[i]=4.00\n");
    }
    else if(a[i]>=75 && a[i]<=79)
    {
        printf("gpa[i]=3.75\n");
    }
    else if(a[i]>=70 && a[i]<=75)
    {
      printf("gpa[i]=3.50\n");
    }
    else if(a[i]>65 && a[i]<=69)
    {
        printf("gpa[i]=3.25\n");
    }
    else if(a[i]>=60 && a[i]<=64)
    {
        printf("gpa[i]=3.00\n");
    }
    else if(a[i]>=55 && a[i]<=59)
    {
        printf("gpa[i]=2.75\n");
    }
    else if(a[i]>=50 && a[i]<=54)
    {
        printf("gpa[i]=2.50\n");
    }
    else if(a[i]>=45 && a[i]<=49)
    {
       printf("gpa[i]=2.25\n");
    }
    else if(a[i]>=40 && a[i]<=44)
    {
         printf("gpa[i]=2.00\n");
    }
    else
    {
         printf("gpa=fail\n");
    }
    }
    printf("Enter credit:");
    for(i=0;i<n;i++)
    {
        soc=soc+cr[i];
        sum=sum+(gpa[i]*cr[i]);
    }
    cgpa=sum/soc;
    printf("%.2lf\n",cgpa);
    return 0;
}