Sum.c

#define MAX 100000 
void printPairs(int arr[], int arr_size, int sum) 
{ 
  int i, temp; 
  bool s[MAX] = {0};
  for (i = 0; i < arr_size; i++) 
  { 
      temp = sum - arr[i]; 
      if (temp >= 0 && s[temp] == 1) 
         printf("sum=%d is (%d, %d) n", sum, arr[i], temp); 
       s[arr[i]] = 1;
  } 
}