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A 2-dimensional 3x3 array of ints, has been created and assigned to tictactoe. Write an expression whose value is TRUE if the elements of the first row are all equal.

A 2-dimensional 3x3 array of ints, has been created and assigned to tictactoe. Write an expression whose value is TRUE if the elements of the first row are all equal.

Database System Concepts
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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### Problem Description A 2-dimensional 3x3 array of integers, named `tictactoe`, has been created and assigned. Write an expression whose value is `TRUE` if the elements of the first row are all equal. ### Solution ```plaintext 1 Enter your code ``` ### Explanation You are given a 3x3 array of integers and you need to determine if the elements in the first row of this array are all the same. This is commonly seen in problems related to game programming, such as checking for a winning condition in tic-tac-toe. In the provided code input area, you need to write an expression that will return `TRUE` if all three elements in the first row of the `tictactoe` array are equal. ___Example Input:___ ```python tictactoe = [ [1, 1, 1], [0, 2, 2], [2, 0, 0] ] ``` ___Example Output:___ The expression should return `TRUE` for the above `tictactoe` array because all the elements in the first row are equal. ### Pseudocode Here’s a simple algorithm to solve this problem: 1. Access the first row of the `tictactoe` array. 2. Compare the first element with the second and the second element with the third. 3. If both comparisons are `TRUE`, then return `TRUE`, otherwise return `FALSE`. ### Implementation in Python ```python tictactoe[0][0] == tictactoe[0][1] == tictactoe[0][2] ``` In this implementation: - `tictactoe[0][0]` accesses the first element of the first row. - `tictactoe[0][1]` and `tictactoe[0][2]` access the second and third elements of the first row respectively. - The equality operator `==` checks if all the elements are equal. This simple expression effectively checks if all three elements in the first row are equal and returns `TRUE` if they are, and `FALSE` otherwise.
Transcribed Image Text:### Problem Description A 2-dimensional 3x3 array of integers, named `tictactoe`, has been created and assigned. Write an expression whose value is `TRUE` if the elements of the first row are all equal. ### Solution ```plaintext 1 Enter your code ``` ### Explanation You are given a 3x3 array of integers and you need to determine if the elements in the first row of this array are all the same. This is commonly seen in problems related to game programming, such as checking for a winning condition in tic-tac-toe. In the provided code input area, you need to write an expression that will return `TRUE` if all three elements in the first row of the `tictactoe` array are equal. ___Example Input:___ ```python tictactoe = [ [1, 1, 1], [0, 2, 2], [2, 0, 0] ] ``` ___Example Output:___ The expression should return `TRUE` for the above `tictactoe` array because all the elements in the first row are equal. ### Pseudocode Here’s a simple algorithm to solve this problem: 1. Access the first row of the `tictactoe` array. 2. Compare the first element with the second and the second element with the third. 3. If both comparisons are `TRUE`, then return `TRUE`, otherwise return `FALSE`. ### Implementation in Python ```python tictactoe[0][0] == tictactoe[0][1] == tictactoe[0][2] ``` In this implementation: - `tictactoe[0][0]` accesses the first element of the first row. - `tictactoe[0][1]` and `tictactoe[0][2]` access the second and third elements of the first row respectively. - The equality operator `==` checks if all the elements are equal. This simple expression effectively checks if all three elements in the first row are equal and returns `TRUE` if they are, and `FALSE` otherwise.
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