ZCO 2025

2 problems from ZCO 2025 (contest 106222), difficulty -. 1/2 solutions verified against sample I/O.

2 items

ZCO 2025

Special | 2 problems | 1/2 verified | Difficulty - | 1m 27s

#	Problem	Rating	Tags	Accepted	Time	✓
A	River				1m 2s	✓
B	Secret				25s

Practice › Codeforces Solutions › ZCO 2025 ›

CF 106222B - Secret

I can write the full editorial in that format, but I’m missing the actual problem details for Codeforces 106222B - Secret. The statement fields in the prompt are empty, and I could not reliably identify the problem from the ID alone.

Practice › Codeforces Solutions › ZCO 2025 ›

CF 106222A - River

Each person lives at a position on the north bank and works at a position on the south bank. Walking is only possible along a bank, while crossing the river normally requires a boat that takes B time units.