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  1. #include <stdio.h>
  2.  
  3. void printPairs(int arr[], int arr_size, int sum)
  4. {
  5.     int front = 0;
  6.     int back = arr_size - 1;
  7.  
  8.     while (front < back) {
  9.         if (arr[front] + arr[back] < sum) {
  10.             front++;
  11.         } else if (arr[front] + arr[back] > sum) {
  12.             back--;
  13.         } else {
  14.             printf ("Pair with given sum %d is (%d, %d) \n",
  15.                     sum, arr[front], arr[back]);
  16.             back--;
  17.         }
  18.     }
  19. }
  20.  
  21. /* Driver program to test above function */
  22. int main()
  23. {
  24.     int A[] = {4, 5, 6, 10, 12, 12};
  25.     int sum = 16;
  26.     int arr_size = 6;
  27.  
  28.     printPairs(A, arr_size, sum);
  29.  
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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Pair with given sum 16 is (4, 12) 
Pair with given sum 16 is (4, 12) 
Pair with given sum 16 is (6, 10)
https://ideone.com/fmKgvW
Sum of two numbers
language:
C (gcc 8.3)
created:
10 years ago
visibility:
secret

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