AsadR

# @param {Integer} n
# @return {String[][]}
def solve_n_queens(n)
  return [] if n <= 0

  result = []
  initial_board = Array.new(n) { Array.new(n) { '.' } }
  backtrack(n, initial_board, result)
  result
end

AsadR

/* Board.java
 *
 * Part of the Eight Queen puzzle solver by Asad ur Rehman <asad.rehman@gmail.com>
 *
 */

public class Board {
	private int n;
	private byte[][] values;
	private int num_queens;

AsadR

/*
 *		8-Queen problem solution in C
 *		written by Asad ur Rehman <asad.rehman@gmail.com>
 *
 *		gcc -O3 -fomit-frame-pointer -fstrict-aliasing -momit-leaf-frame-pointer -fno-tree-pre -falign-loops -funroll-loops queen.c -o queen
 *
 *		real	0m0.445s
 *		user	0m0.279s
 *		sys	0m0.165s
 *

AsadR

#!/usr/bin/env python2.7

# Solving the 8-queen problem.
# Written by Asad ur Rehman <asad.rehman@gmail.com>
#
# Slight optimizations with the help of @jibz and @atharhameed
#
# real	0m23.248s
# user	0m21.840s
# sys	0m0.085s

AsadR

//
//  HelloWorldLayer.h
//  CocosTest
//
//  Created by Asad ur Rehman on 8/10/11.
//


// When you import this file, you import all the cocos2d classes
#import "cocos2d.h"

AsadR

//
//  SpritePositioning.h
// 
//
//  Created by Asad ur Rehman
//

#import "cocos2d.h"

@interface SpritePositioning : CCSprite <CCTargetedTouchDelegate, NSCoding> {

AsadR

<canvas id="e" width="800" height="600"></canvas>
<script>
  var canvas = document.getElementById("e");
  var context = canvas.getContext("2d");
  var images = [];
  var k = 0;

	for( i = 0; i < 10; i++ ) {
		var cat = new Image();
		cat.src = "closed.png";