ICHC Etapa Pe Scoala

2 problems from ICHC Etapa Pe Scoala (contest 104878), difficulty -. 0/2 solutions verified against sample I/O.

2 items

ICHC Etapa Pe Scoala

Special | 2 problems | 0/2 verified | Difficulty - | 3m 15s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Heist				1m 20s
B	Lockpicking				1m 55s

Practice › Codeforces Solutions › ICHC Etapa Pe Scoala ›

CF 104878B - Lockpicking

There are N switches, each representing a pin on a security system. Turning on a pin takes exactly one second, and each pin can only be activated once. The difficulty comes from the fact that each pin watches a fixed set of other pins.

Practice › Codeforces Solutions › ICHC Etapa Pe Scoala ›

CF 104878A - Heist

We are given a city modeled as an undirected graph where intersections are nodes and streets are edges. Powder starts at node 1, the laboratory, and wants to reach node N, the hidden entrance to Zaun. Some intersections initially contain police officers.