study of arrays - 1.
  #include <stdio.h>

int main(void)
{
int arr[5]; /* array declaration */
int i;

/* Assigning values to array elements */
arr[0] = 10; arr[1] = 20; arr[2] = 30;
arr[3] = 40; arr[4] = 50;

printf( "\nDisplaying array : " );
for(i = 0 ; i < 5 ; i++)
printf( "\n%d", arr[i]);

return 0;
}