INNER CODE UNIT · JavaScript

x

lh3/minigraph · misc/mgutils.js:53

			var x = 1<<(k-1);
			a[i][2] = a[i][1];
			if (a[i][2] < a[i-x][2]) a[i][2] = a[i-x][2];
			var e = i + x < a.length? a[i+x][2] : last;
			if (a[i][2] < e) a[i][2] = e;
		}
		last_i = last_i>>k&1? last_i - (1<<(k-1)) : last_i + (1<<(k-1));
		if (last_i < a.length) last = last > a[last_i][2]? last : a[last_i][2];
	}
	return k - 1;
}

function it_overlap(a, st, en) {
	if (a == null) return [];
	var h, stack = [], b = [];
	for (h = 0; 1<<h <= a.length; ++h);
	--h;
	stack.push([(1<<h) - 1, h, 0]);

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