| # | User | Rating |
|---|---|---|
| 1 | tourist | 4009 |
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| 6 | orzdevinwang | 3529 |
| 7 | ecnerwala | 3446 |
| 8 | Um_nik | 3396 |
| 9 | gamegame | 3386 |
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| # | User | Contrib. |
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| 1 | cry | 164 |
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How can I solve this problem.
Given an array, and there are Q queries of two types.
Type-1 : given l , r , val
Update a[i] = a[i] xor val where i = [l , r]
Type-2 : given l , r
Return sum of a[i] where i = [l , r]
Can it be solved with segment tree with lazy propagation?
ThankYou :)
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en2 |
|
code_hard123 | 2016-08-22 23:01:46 | 6 | Tiny change: 'be solved with segment t' -> 'be solved by segment t' | |
| en1 |
|
code_hard123 | 2016-08-22 22:59:15 | 301 | Initial revision (published) |
