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added a sudoku solver project and deleted the blank project folder #31

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added a sudoku solver project and deleted the blank project folder #31

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1 change: 0 additions & 1 deletion Projects/Sudoku/sudoku-web-app
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Submodule sudoku-web-app deleted from cb7727
126 changes: 126 additions & 0 deletions Projects/sudoku-solver/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sudoku</title>
<link rel="stylesheet" href="style.css">
</head>
<header>
<div id="Name">
<h1>Sudoku Game</h1>
</div>
<div class="heading">
<div id="difficulty">
<h3>Difficulty : </h3>
<input type="radio" value="easy" name="diff" id="easy" checked> <span> Easy </span>
<input type="radio" value="medium" name="diff" id="medium"> <span> Medium </span>
<input type="radio" value="hard" name="diff" id="hard"> <span> Hard </span>

</div>
<div id="theme">
<h3>Theme : </h3>
<input type="radio" value = "light" onClick = "document.bgColor='white'" name="theme" checked id="light" > <span> Light </span>
<input type="radio" value = "dark" onClick = "document.bgColor='#333333'" name="theme" id="dark"> <span> Dark </span>
</div>
</div>
</header>
<body id="bcolor">
<div class="container">
<div class="timer">
Time Taken :
<span id="timer">00 : 00 : 00</span>
</div>
<div id="board">
<div id="0" class="cell"></div>
<div id="1" class="cell"></div>
<div id="2" class="cell right"></div>
<div id="3" class="cell"></div>
<div id="4" class="cell"></div>
<div id="5" class="cell right" ></div>
<div id="6" class="cell"></div>
<div id="7" class="cell"></div>
<div id="8" class="cell right"></div>
<div id="9" class="cell"></div>
<div id="10" class="cell"></div>
<div id="11" class="cell right"></div>
<div id="12" class="cell"></div>
<div id="13" class="cell"></div>
<div id="14" class="cell right"></div>
<div id="15" class="cell"></div>
<div id="16" class="cell"></div>
<div id="17" class="cell right"></div>
<div id="18" class="cell bottom"></div>
<div id="19" class="cell bottom"></div>
<div id="20" class="cell right bottom"></div>
<div id="21" class="cell bottom"></div>
<div id="22" class="cell bottom"></div>
<div id="23" class="cell right bottom"></div>
<div id="24" class="cell bottom"></div>
<div id="25" class="cell bottom"></div>
<div id="26" class="cell right bottom"></div>
<div id="27" class="cell"></div>
<div id="28" class="cell"></div>
<div id="29" class="cell right"></div>
<div id="30" class="cell"></div>
<div id="31" class="cell"></div>
<div id="32" class="cell right" ></div>
<div id="33" class="cell"></div>
<div id="34" class="cell"></div>
<div id="35" class="cell right"></div>
<div id="36" class="cell"></div>
<div id="37" class="cell"></div>
<div id="38" class="cell right"></div>
<div id="39" class="cell"></div>
<div id="40" class="cell"></div>
<div id="41" class="cell right" ></div>
<div id="42" class="cell"></div>
<div id="43" class="cell"></div>
<div id="44" class="cell right" ></div>
<div id="45" class="cell bottom"></div>
<div id="46" class="cell bottom"></div>
<div id="47" class="cell right bottom"></div>
<div id="48" class="cell bottom"></div>
<div id="49" class="cell bottom"></div>
<div id="50" class="cell right bottom"></div>
<div id="51" class="cell bottom"></div>
<div id="52" class="cell bottom"></div>
<div id="53" class="cell right bottom"></div>
<div id="54" class="cell"></div>
<div id="55" class="cell"></div>
<div id="56" class="cell right"></div>
<div id="57" class="cell"></div>
<div id="58" class="cell"></div>
<div id="59" class="cell right"></div>
<div id="60" class="cell"></div>
<div id="61" class="cell"></div>
<div id="62" class="cell right"></div>
<div id="63" class="cell"></div>
<div id="64" class="cell"></div>
<div id="65" class="cell right"></div>
<div id="66" class="cell"></div>
<div id="67" class="cell"></div>
<div id="68" class="cell right"></div>
<div id="69" class="cell"></div>
<div id="70" class="cell"></div>
<div id="71" class="cell right"></div>
<div id="72" class="cell"></div>
<div id="73" class="cell"></div>
<div id="74" class="cell right"></div>
<div id="75" class="cell"></div>
<div id="76" class="cell"></div>
<div id="77" class="cell right"></div>
<div id="78" class="cell"></div>
<div id="79" class="cell"></div>
<div id="80" class="cell right"></div>
</div>
<div id="generator">
<button id="generate">Generate New Puzzle</button>
</div>
<div id="solver">
<button id="solve">Solve The Puzzle</button>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
233 changes: 233 additions & 0 deletions Projects/sudoku-solver/script.js
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// in order to extract the elements of the board on the page
var a = [[],[],[],[],[],[],[],[],[]];
// this is used to mark the remaining spaces
var temp = [[],[],[],[],[],[],[],[],[]];

// initialize the a[][] on the web to make the changes
function initialize(){
for( i = 0 ; i < 9 ; i++ ){
for( j = 0 ; j < 9 ; j++ ){
a[i][j] = document.getElementById( i*9 + j);
a[i][j].innerText = 0;
temp[i][j] = false;
}
}
}

// we need a board on which we can perform backtracking
var board = [[],[],[],[],[],[],[],[],[]];

// in order to generate new board
var generator = document.getElementById('generate');

// in order to solve the puzzle
var solver = document.getElementById('solve');

var difficulty;

function mode(){
var m = document.querySelectorAll('input[name="diff"]');
for(item of m){
if(item.checked){
difficulty = item;
break;
}
}
}

console.log(a);

// updating the board when we get the solution
function changeboard(){
for( i = 0 ; i < 9 ; i++ ){
for( j = 0 ; j < 9 ; j++ ){
if(board[i][j]!=0){
a[i][j].innerText = board[i][j];
}
else{
a[i][j].innerText = '';
}
}
}
}

function qsetColor(){
for( i = 0 ; i < 9 ; i++ ){
for( j = 0 ; j < 9 ; j++ ){
if(board[i][j]!=0){
temp[i][j] = true;
// a[i][j].style.background = "brown";
a[i][j].style.color = "brown";
}
}
}
}
function asetColor(){
for( i = 0 ; i < 9 ; i++ ){
for( j = 0 ; j < 9 ; j++ ){
if(temp[i][j]==false){
// a[i][j].style.background = "green";
a[i][j].style.color = "green";
}
}
}
}
function resetcolor(){
for( i = 0 ; i < 9 ; i++ ){
for( j = 0 ; j < 9 ; j++ ){
a[i][j].style.background = "rgb(223, 203, 203)";
}
}
}

var seconds = 0;
var minutes = 0 ;
var hours = 0;
var displayseconds;
var displayminutes;
var displayhour;


var start;
function time(){
setInterval(function timer(){
seconds++;
if(seconds/60 ===1){
seconds = 0;
minutes++;
}
if(minutes/60===1){
minutes=0;
hours++;
}

if(seconds<10){
displayseconds = "0" + seconds.toString();
}
else{
displayseconds = seconds;
}
if(minutes<10){
displayminutes = "0" + minutes.toString();
}
else{
displayminutes = minutes;
}
if(hours<10){
displayhour = "0" + hours.toString();
}
else{
displayhour = hours;
}

document.getElementById('timer').innerHTML = displayhour + " : " + displayminutes + " : " + displayseconds;
}, 1000);
}
function reset(){
clearInterval(start);
}
generator.onclick = function(){
// resetboard();
mode();
reset();
start = time();
console.log(difficulty.value);
var xhr = new XMLHttpRequest();
if(difficulty=='easy'){
xhr.open('GET','https://sugoku.herokuapp.com/board?difficulty=easy');
xhr.responseType = 'json';
xhr.send();
xhr.onload = function(){
var robj = xhr.response;
board = robj.board;
console.log(board);
initialize();
resetcolor();
qsetColor();
changeboard();
}
}
else if(difficulty=='medium'){
xhr.open('GET','https://sugoku.herokuapp.com/board?difficulty=hard');
xhr.responseType = 'json';
xhr.send();
xhr.onload = function(){
var robj = xhr.response;
board = robj.board;
console.log(board);
initialize();
resetcolor();
qsetColor();
changeboard();
}
}
else{
xhr.open('GET','https://sugoku.herokuapp.com/board?difficulty=hard');
xhr.responseType = 'json';
xhr.send();
xhr.onload = function(){
var robj = xhr.response;
board = robj.board;
console.log(board);
initialize();
resetcolor();
qsetColor();
changeboard();
}
}
}

/*--------------------------------------------------------------------------------------------------------------------------------------------------- */
function isPossible(board,i,j,num){
for(row=0;row<9;row++){
if(board[row][j]==num){
return false;
}
}

for(col=0;col<9;col++){
if(board[i][col]==num){
return false;
}
}

var sx = i - i%3;
var sy = j - j%3;
for(r = sx; r < sx+3; r++){
for(c = sy; c < sy+3; c++){
if(board[r][c]==num){
return false;
}
}
}
return true;
}

function solveSudoku(board,i,j){
if(i==9){
changeboard();
return;
}
if(j==9){
solveSudoku(board,i+1,0);
return;
}
if(board[i][j]!=0){
solveSudoku(board,i,j+1);
return;
}
for(var num=1;num<=9;num++){
if(isPossible(board,i,j,num)){
board[i][j] = num;
solveSudoku(board,i,j+1);
board[i][j] = 0;
}
}
}
solve.onclick = function(){
solveSudoku(board,0,0);
asetColor();
}

/*---------------------------------------------------------------------------------------------------------------------------------------------------------------- */
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