while loop and arrays in C

#include <stdio.h>

/*
loops and condistionals,
how to get out of a loop
using them
*/

int main() {

char run='y';
int a=0,b=0,sum=0,ct=0;
int arrayFOReveryThing[2];

while(run == 'y'){
/*
 request input for
 processing
*/
printf("Enter an integer amount\n");
scanf("%d", &a);
/*just killing 2 birds with
 one stone using assignment

printf to see what ct is doing */

printf("1: in loop ct=%d\n",ct);

arrayFOReveryThing[ct]=a;
printf("Enter another integer amount\n");
scanf("%d",&b);
printf("2: in loop ct=%d\n",ct);

arrayFOReveryThing[++ct]=b;
printf("Would you like to "
"change the values? y/n \n");
scanf(" %c",&run);

/* using a condisinal for
 stopping the loop or not

 in case anything other than y
 was inputed thats user error,
 stop the loop anyways */
if(run != 'y')
    run='n';
else
 ct=0; // reset your counter
printf("3: in loop ct=%d\n",ct);
} // while loop
printf("array el 0=%d\n", arrayFOReveryThing[0]);
printf("array e2 1=%d\n", arrayFOReveryThing[1]);

/* printing out the sum in your
   printf function */
printf("Total is %d\n",(a+b));
/* doing the math ahead of time */
sum=a+b;
printf("sum = %d\n",sum);
/*reset sum to zero because
   it is being used again*/
sum=0;
/* using an array because you can
  and maybe you want to pratice
  arrays and loops

 lets not forget arrays are zero
 based */

/* with a loop */
printf("ct = %d\n",ct);
/* add 1 to ct because
 it was pre Incremented
 inside of array element
 to move it up 1 */
for(int i=0;i<ct+1;i++)
   sum+=arrayFOReveryThing[i];
printf("sum = %d\n",sum);
/*using printf function,
  knowing which elements
  hold the values */

printf("sum = %d\n",arrayFOReveryThing[0]+
arrayFOReveryThing[1]);

/* knowing where and how you
   can break off a line of
   code to put it on
   the next line down. not
   having to rely on word wrap
   in your IDE and why it still
   compiles is a good
   thing to know as well.
*/
 return 0;
}