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| from math import floor | |
| def bsa(a, n, t): | |
| lft = 0 | |
| rgt = n -1 | |
| while lft <= rgt: | |
| m = floor((lft + rgt) / 2) | |
| if a[m] < t: | |
| lft = m+1 | |
| elif a[m] > t: | |
| rgt = m-1 | |
| else: | |
| return m | |
| return -1 |
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fix name of variables