Codeforces Beta Round 92 (Div. 2 Only)

Solutions for Codeforces Beta Round 92 (Div. 2 Only) (contest 124). 2/2 problems verified against sample I/O. Difficulty range: 1000-1400.

2 items

Codeforces Beta Round 92 (Div. 2 Only)

Type: Div. 2 | Problems: 2 | Verified: 2/2 | Rating range: 1000-1400 | Time: 3m 1s

Problem	Name	Rating	Tags	Solve Time	Verified
A	The number of positions	1000	math	1m 27s	✓
B	Permutations	1400	brute-force, combinatorics, implementation	1m 34s	✓

Practice › Codeforces Solutions › Codeforces Beta Round 92 (Div. 2 Only) ›

CF 124A - The number of positions

Petr is standing somewhere in a line containing n people. Positions are numbered from 1 at the front to n at the back. He knows two things about his position. At least a people are standing in front of him, and at most b people are standing behind him.

Practice › Codeforces Solutions › Codeforces Beta Round 92 (Div. 2 Only) ›

CF 124B - Permutations

We are given several strings of digits, all with the same length. We may choose one permutation of digit positions and apply it to every string. After rearranging the digits according to that shared permutation, each string becomes a new integer, possibly with leading zeroes.