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2Sum in sorted array
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| def twoSumSortedArray(A, k): | |
| """ | |
| Given a sorted integer array A, return two elements from it which sum to k | |
| """ | |
| start, end = 0, len(A) - 1 | |
| while start != end: | |
| if A[start] + A[end] == k: return (A[start], A[end]) | |
| elif A[start] + A[end] > k: end -= 1 | |
| else: start += 1 | |
| return None |
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