a javascript program to solve the tacoyaki+ game - http://www.gamedesign.jp/flash/tacoyaki_p/tacoyaki_p.html

tacoyaki_p.js

var row,column;
row = column = 7; // setup the size of game
var map = [1,1,1,0,0,1,1]; // setup first column
for(i=row;i<row*column;i++)
  map[i] = 0; // insure others tile are ZERO

display(map);

function tapByCoor(map,r,c){
	index = r*column+c;
	reverse(map,index);
	reverse(map,index+column);
	reverse(map,index-column);
	if(c<column-1)
		reverse(map,index+1);
	if(c>0)
		reverse(map,index-1);
}

function tapByIndex(map, index) {
	if(index<0||index>column*row-1)
		return;

	tapByCoor(map, Math.floor(index/column), index%column);
}

function reverse(map, index) {
	if(index<0||index>row*column-1)
		return;

	map[index] = 1- map[index];
}

function display(map) {
	for(var r=0; r<row; r++) 
		document.writeln(map.slice(r*column, (r+1)*column)+"<br/>");

}

for(var i=1;i<Math.pow(2,column)-1;i++){
	map_clone = map.slice();
	taps = i.toString(2).split("").reverse();
	for(index in taps){
		if(taps[index]==1)
			tapByIndex(map_clone, index);
	}
	solved = false;
	for(var r=1;r<row;r++){
		for(var c=0;c<column;c++){
			if(map_clone[(r-1)*column+c]==1)
				tapByCoor(map_clone,r,c);
		}
	}
	if(!Number(map_clone.slice((row-1)*column,row*column).join("")))
		solved = true;

	if(solved)
		alert(taps); // shows the answer
}