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Interesting Question on Co-primes
I found this question somewhere online, which went as follows: For each integer x in a given range [L, R], find the count of integers in the given range that are co-prime with x. Constraints: 1 <= L <= R <= 1e5
A brute force solution would fail the time limit, does anyone have an optimal solution?
| Rev. | Язык | Кто | Когда | Δ | Комментарий | |
|---|---|---|---|---|---|---|
| en2 |
|
darth_chef | 2020-08-22 09:25:05 | 156 | ||
| en1 |
|
darth_chef | 2020-08-22 09:17:30 | 336 | Initial revision (published) |
