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| Given an unsorted array A[]. The task is to print all unique pairs in the unsorted array with equal sum. | |
| Note: Print the result in the format as shown in the below examples. | |
| Examples: | |
| Input: A[] = { 6, 4, 12, 10, 22, 54, 32, 42, 21, 11} | |
| Output: | |
| Pairs : ( 4, 12) ( 6, 10) have sum : 16 | |
| Pairs : ( 10, 22) ( 21, 11) have sum : 32 | |
| Pairs : ( 12, 21) ( 22, 11) have sum : 33 |