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1097B — Petr and a Combination Lock
How to solve this problem using bitmask or bit manuplation ??
Problem Link :https://codeforces.com/problemset/problem/1097/B Editorial Link :https://codeforces.com/blog/entry/64310
I am not able to understand the editorial which says that clockwise rotation will be done if ith bit is set to 0 and vive versa ?? Can someone explain in detail ?
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en3 |
|
ayush29azad | 2021-08-11 09:40:51 | 9 | Reverted to en1 | |
| en2 |
|
ayush29azad | 2021-08-11 09:40:12 | 9 | Tiny change: 'm/1097/B\n**Editor' -> 'm/1097/B\n[cut]\n**Editor' | |
| en1 |
|
ayush29azad | 2021-08-11 09:39:40 | 397 | Initial revision (published) |
