CSP-J 2023

2 problems from CSP-J 2023 (contest 104721), difficulty -. 1/2 solutions verified against sample I/O.

2 items

CSP-J 2023

Special | 2 problems | 1/2 verified | Difficulty - | 2m 55s

#	Problem	Rating	Tags	Accepted	Time	✓
A	apple				1m 26s
B	road				1m 29s	✓

Practice › Codeforces Solutions › CSP-J 2023 ›

CF 104721B - road

We are given a straight road made of $n$ stations numbered from $1$ to $n$. Between station $i$ and $i+1$, there is a road segment with length $vi$. At every station $i$, fuel can be bought, but each station has its own fixed price $ai$ per liter.

Practice › Codeforces Solutions › CSP-J 2023 ›

CF 104721A - apple

We are given a line of apples numbered from 1 to n in their original left to right order. Each day, a fixed deterministic rule is applied to the current line: starting from the leftmost remaining apple, the first apple is removed, then the next two are skipped, then the next…