I am having problem understanding how we are utilising Binary Indexed tree to solve the problem.The DFS part is clear as well as the notion of levels. But i am unable to understand how BIT is used. http://codeforces.com/contest/383/problem/C link.
→ Pay attention
→ Streams
→ Top rated
| # | User | Rating |
|---|---|---|
| 1 | ecnerwala | 3650 |
| 2 | Benq | 3582 |
| 3 | Geothermal | 3570 |
| 3 | orzdevinwang | 3570 |
| 5 | cnnfls_csy | 3569 |
| 6 | tourist | 3565 |
| 7 | maroonrk | 3532 |
| 8 | Radewoosh | 3522 |
| 9 | Um_nik | 3483 |
| 10 | jiangly | 3468 |
→ Top contributors
| # | User | Contrib. |
|---|---|---|
| 1 | maomao90 | 174 |
| 2 | awoo | 164 |
| 3 | adamant | 163 |
| 4 | TheScrasse | 159 |
| 5 | nor | 158 |
| 6 | maroonrk | 156 |
| 7 | -is-this-fft- | 151 |
| 8 | SecondThread | 147 |
| 9 | orz | 146 |
| 10 | pajenegod | 145 |
→ Find user
→ Recent actions
Hey i am getting wrong answer on amazing maze http://www.spoj.com/problems/DCEPC701/
my code http://ideone.com/B62iqc I am unable to find the error.Hope someone help me.
Codeforces (c) Copyright 2010-2024 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: Apr/23/2024 16:31:14 (i1).
Desktop version, switch to mobile version.
Supported by
