array subscript help please.

[RavUnRex]

I am trying to write a program that will find the largest value in an array, and also will display the subscript of the largest value. I can find the largest value, but I have been working for the past 4 hours trying to get the subscript to display... anyone know how to go about this, without completely changing my program? This is a rather simple program; I am just having a mental block!!!

ARRAY:

#include <stdafx.h>
#include <stdio.h>
#define x 5

int
main(void)
{
double arr[x];
int i,
large;

/* Get Data */
printf("Enter %d numbers\n> ", x);
for (i = 0; i < x; ++i)
scanf("%lf", &arr);

large = arr[0];

for(i = 1; i < x; ++i)
if(arr > large)
large = arr;

printf("The largest value, %d has a subscript of x[%1d].", large, i);

return(large);
}

 

[DaveSinkula]

Keep track of the index.

#include <stdio.h>
#define x 5

int main(void)
{
   double arr[x];
   int i, large, [blue]li[/blue];

    /* Get Data */
   printf("Enter %d numbers\n> ", x);
   for ( i = 0; i < x; ++i )
      scanf("%lf", &arr[i]);

   large = arr[0];

   for ( i = 1; i < x; ++i )
      if ( arr[i] > large )
      [blue]{[/blue]
         large = arr[i];
         [blue]li = i;
      }[/blue]

   printf("The largest value, %d has a subscript of x[%1d].", large, [blue]li[/blue]);

   return(large);
}

/* my output
Enter 5 numbers
>1 5 2 4 3
The largest value, 5 has a subscript of x[1].
*/

[Slightly modified for simplicity.]

 

[RavUnRex]

Thank you so much, I knew it was something simple I was missing. I just couldn't figure out how to keep track of the index like that.
Thanks again.