Codeforces Round 528 (Div. 1, based on Technocup 2019 Elimination Round 4)
1 problems from Codeforces Round 528 (Div. 1, based on Technocup 2019 Elimination Round 4) (contest 1086), difficulty 3500-3500. 0/1 solutions verified against sample I/O.
Codeforces Round 528 (Div. 1, based on Technocup 2019 Elimination Round 4)
Div. 1 | 1 problems | 0/1 verified | Difficulty 3500-3500 | 4m 50s
| # | Problem | Rating | Tags | Accepted | Time | ✓ |
|---|---|---|---|---|---|---|
| F | Forest Fires | 3500 | math | 316 | 4m 50s |
Practice
›
Codeforces Solutions
›
Codeforces Round 528 (Div. 1, based on Technocup 2019 Elimination Round 4)
›
CF 1086F - Forest Fires
We are given a set of initial fire sources placed on an infinite integer grid. Fire spreads every second in all eight directions, so each burning cell ignites every neighboring cell that shares a side or a corner.