grid timing test
//grid change testing
/*First Test*/
//construct grid
var grid = [];
for(var i=0;i<1000;i++){
var row = [];
for(var j=0;j<1000;j++){
row.push({res:0, env:""});
}
grid.push(row);
}
console.time("a");
for(var i=0;i<1000;i++){
for(var j=0;j<1000;j++){
grid[i][j].env += "a";
}
}
console.timeEnd("a");
//26