Created
September 2, 2019 23:07
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Hackerrank Pairs Python solution
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| # Complete the pairs function below. | |
| def pairs(k, arr): | |
| my_dict = {} | |
| result = 0 | |
| for ele in arr: | |
| my_dict[ele] = 1 | |
| if ele + k in my_dict: | |
| result += 1 | |
| if ele -k in my_dict: | |
| result += 1 | |
| return result |
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