Codeforces Beta Round 32 (Div. 2, Codeforces format)

5 problems from Codeforces Beta Round 32 (Div. 2, Codeforces format) (contest 32), difficulty 800-2400. 5/5 solutions verified against sample I/O.

5 items

Codeforces Beta Round 32 (Div. 2, Codeforces format)

Div. 2 | 5 problems | 5/5 verified | Difficulty 800-2400 | 6m 58s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Reconnaissance	800	brute-force	14,889	1m 5s	✓
B	Borze	800	expression-parsing, implementation	79,709	1m 17s	✓
C	Flea	1700	math	2,562	1m 12s	✓
D	Constellation	1600	implementation	1,491	59s	✓
E	Hide-and-Seek	2400	geometry, implementation	423	2m 25s	✓

Practice › Codeforces Solutions › Codeforces Beta Round 32 (Div. 2, Codeforces format) ›

CF 32A - Reconnaissance

We are tasked with counting how many pairs of soldiers in a detachment can form a reconnaissance unit. A unit consists of exactly two soldiers, and the difference in their heights cannot exceed a given threshold _d_.

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CF 32B - Borze

We are given a string written in the Borze encoding system. Every digit of a ternary number is represented by one of three patterns:

Practice › Codeforces Solutions › Codeforces Beta Round 32 (Div. 2, Codeforces format) ›

CF 32C - Flea

We have a grid of size where each cell is 1 centimeter square. A flea starts at some cell and can jump exactly centimeters either vertically or horizontally, staying inside the board.

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CF 32D - Constellation

We are given a 2D grid of size _n_ by _m_, each cell either containing a star * or empty .. The task is to locate constellations shaped like a cross.

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CF 32E - Hide-and-Seek

We have two people represented as points on the plane, Victor and Peter. The room contains exactly two objects, a solid wall segment and a double-sided mirror segment. Victor wants to know whether he can see Peter either directly or through a single reflection in the mirror.