Codeforces Round 150 (Div. 2)

Solutions for Codeforces Round 150 (Div. 2) (contest 244). 1/2 problems verified against sample I/O. Difficulty range: 900-1600.

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Codeforces Round 150 (Div. 2)

Type: Div. 2 | Problems: 2 | Verified: 1/2 | Rating range: 900-1600 | Time: 4m 21s

Problem	Name	Rating	Tags	Solve Time	Verified
A	Dividing Orange	900	implementation	3m 13s	✗
B	Undoubtedly Lucky Numbers	1600	bitmasks, brute-force, dfs-and-similar	1m 8s	✓

Practice › Codeforces Solutions › Codeforces Round 150 (Div. 2) ›

CF 244A - Dividing Orange

We are asked to divide an orange consisting of nk segments among k children so that each child receives exactly n segments, each child definitely receives the segment they chose, and no segment is given to more than one child.

Practice › Codeforces Solutions › Codeforces Round 150 (Div. 2) ›

CF 244B - Undoubtedly Lucky Numbers

We are given a single positive integer $n$, and we need to count how many integers from 1 up to $n$ have a very specific property: there exists a pair of digits $x$ and $y$ such that every digit in the number’s decimal representation is either $x$ or $y$.