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September 7, 2015 17:27
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とけたら天才!分裂する●を追い出せ!
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●をクリックすると消えて右と下に分裂する。 | |
左上6マスの白いブロックから●を追い出せ。 | |
参考 | |
バナッハ‐タルスキの密室: 『数学者シャーロック・ホームズ』増補・改題 | |
http://www.amazon.co.jp/dp/4535787409 |
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* { | |
margin: 0; | |
padding: 0; | |
border: 0; | |
} | |
body { | |
background: #fdf; | |
font: 20px sans-serif; | |
} | |
table { | |
margin: 10px; | |
border-spacing: 0px; | |
/* border-collapse: collapse; */ | |
} | |
td { | |
background: silver; | |
border: solid 2px gray; | |
width: 20px; | |
height: 20px; | |
font: 20px sans-serif; | |
} |
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●をクリックすると消えて右と下に分裂する。<br/> | |
左上6マスの白いブロックから●を追い出せ。<br/> | |
<table> | |
</table> |
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var N = 10; | |
function position(td) { | |
var tr = td.parent(); | |
var table = tr.parent(); | |
var x = tr.find('td').index(td); | |
var y = table.find('tr').index(tr); | |
return [x, y]; | |
} | |
function select(table, x, y) { | |
var tr = table.find('tr').eq(y); | |
var td = tr.find('td').eq(x); | |
return td; | |
} | |
for (var x = 0; x < N; x++) { | |
var tr = $('<tr>'); | |
for (var y = 0; y < N; y++) { | |
var td = $('<td>'); | |
td.click(function() { | |
var td = $(this); | |
var p = position($(this)); | |
var x = p[0]; | |
var y = p[1]; | |
if (x + 1 >= N || y + 1 >= N) { | |
return; | |
} | |
var td1 = select($('table'), x + 1, y); | |
var td2 = select($('table'), x, y + 1); | |
if (td.text() == '●' && td1.text() != '●' && td2.text() != '●') { | |
td.text(''); | |
td1.text('●'); | |
td2.text('●'); | |
} | |
}); | |
td.mouseenter(function() { | |
$(this).css('border-color', 'yellow'); | |
}); | |
td.mouseleave(function() { | |
$(this).css('border-color', 'gray'); | |
}); | |
tr.append(td); | |
} | |
$('table').append(tr); | |
} | |
select($('table'), 0, 0).text('●'); | |
select($('table'), 0, 0).css('background-color', 'white'); | |
select($('table'), 0, 1).css('background-color', 'white'); | |
select($('table'), 0, 2).css('background-color', 'white'); | |
select($('table'), 1, 0).css('background-color', 'white'); | |
select($('table'), 1, 1).css('background-color', 'white'); | |
select($('table'), 2, 0).css('background-color', 'white'); | |
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