Codeforces Round 732 (Div. 2)

2 problems from Codeforces Round 732 (Div. 2) (contest 1546), difficulty 800-1200. 2/2 solutions verified against sample I/O.

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Codeforces Round 732 (Div. 2)

Div. 2 | 2 problems | 2/2 verified | Difficulty 800-1200 | 11m 6s

#	Problem	Rating	Tags	Accepted	Time	✓
A	AquaMoon and Two Arrays	800	brute-force, greedy	18,588	3m 38s	✓
B	AquaMoon and Stolen String	1200	interactive, math	13,952	7m 28s	✓

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CF 1546B - AquaMoon and Stolen String

We are given a multiset of original strings and a second multiset formed after a disturbance process. The disturbance worked in two stages. First, all strings were paired except one special string that stayed unpaired.

Practice › Codeforces Solutions › Codeforces Round 732 (Div. 2) ›

CF 1546A - AquaMoon and Two Arrays

Two players give us two arrays of equal length. One array can be modified by repeatedly moving a single unit from one position to another position. Each move removes one from index i and adds one to index j, and the array must remain non-negative after every move.