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// Robert Jenkins' 32 bit integer hash function
var seed = 100;
Math.random = function() {
seed = (seed + 0x7ed55d16) + (seed<<12);
seed = (seed ^ 0xc761c23c) ^ (seed>>19);
seed = (seed + 0x165667b1) + (seed<<5);
seed = (seed + 0xd3a2646c) ^ (seed<<9);
seed = (seed + 0xfd7046c5) + (seed<<3);
seed = (seed ^ 0xb55a4f09) ^ (seed>>16);
seed = Math.abs(seed | 0);
return seed / 0xffffffff * 2;
}
function tangle(n, m) {
function rand(n) {
return Math.floor(Math.random() * n);
}
var arr = [];
for (var i = 0; i < n; i++)
arr[i] = String.fromCharCode(65 + rand(26));
for (var i = 0; i < m; i++) {
var j = rand(n);
switch (rand(2)) {
case 0: {
var s = arr[rand(n)];
var b = rand(s.length);
var e = b + rand(s.length - b);
if (e - b > 1)
arr[j] = s.substring(b, e);
}
break;
case 1: {
arr[j] = arr[rand(n)] + arr[rand(n)];
}
}
JSON.stringify(arr[j]);
}
return arr;
}
tangle(10, 500);
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