Game plays a very crucial role in over daily life. It helps you to stay fit in your life so let's play a game. The name of the game is Pick and Drop. In this game, an array of integers AA is of size NN, and each player (Mr. Hyperwhite and Gale BoetticherGaleBoetticher) removes one number from the array in alternating moves until only one number remains. If the remaining number is even, Mr. White wins, otherwise Gale wins. Whoever loses will be eliminated by Gus. Mr. White always takes the first turn (i.e., Mr. White first turn -> Gale second turn -> Mr. White third turn and so on). Mr. White is thinking about which number to choose in the first move to win. Help Mr. White by determining the number of ways he can pick the first number to win.
Game plays a very crucial role in over daily life. It helps you to stay fit in your life so let's play a game. The name of the game is Pick and Drop. In this game, an array of integers AA is of size NN, and each player (Mr. Hyperwhite and Gale BoetticherGaleBoetticher) removes one number from the array in alternating moves until only one number remains. If the remaining number is even, Mr. White wins, otherwise Gale wins. Whoever loses will be eliminated by Gus. Mr. White always takes the first turn (i.e., Mr. White first turn -> Gale second turn -> Mr. White third turn and so on). Mr. White is thinking about which number to choose in the first move to win. Help Mr. White by determining the number of ways he can pick the first number to win.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Game plays a very crucial role in over daily life. It helps you to stay fit in your life so let's play a game.
The name of the game is Pick and Drop. In this game, an array of integers AA is of size NN, and each
player (Mr. Hyperwhite and Gale BoetticherGale Boetticher) removes one number from the array in
alternating moves until only one number remains. If the remaining number is even, Mr. White wins,
otherwise Gale wins. Whoever loses will be eliminated by Gus. Mr. White always takes the first turn
(i.e., Mr. White first turn -> Gale second turn -> Mr. White third turn and so on). Mr. White is
thinking about which number to choose in the first move to win. Help Mr. White by determining the
number of ways he can pick the first number to win.
Note: C++ will be your programming language.
Input
1
5
12345
Output
-1
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