You may have heard of a puzzle where you must fill in squares for a 9x9 grid with the digits one through nine using the following rules. The digits can appear only once in each row and column. Furthermore, the 9x9 grid is divided into nine regions of 3x3 grids, and the digits can only appear once in each region. Given the following puzzle, write a recursive solution using backtracking that solves such a puzzle. 6 9 9 3 8 462 1 6 8 3 3 7 2 4 6 8 15 2 1 7 3 93 7 543 943 9 1 6
You may have heard of a puzzle where you must fill in squares for a 9x9 grid with the digits one through nine using the following rules. The digits can appear only once in each row and column. Furthermore, the 9x9 grid is divided into nine regions of 3x3 grids, and the digits can only appear once in each region. Given the following puzzle, write a recursive solution using backtracking that solves such a puzzle. 6 9 9 3 8 462 1 6 8 3 3 7 2 4 6 8 15 2 1 7 3 93 7 543 943 9 1 6
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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