I've had a quiz with big-o problems and I still don't get it, can you guys help me:<br /><br />for (int j = 1; j<=20; j++)<br />sum++;<br /><br />why does this run on the order of O(1)??<br /><br />for (int k = n; k>0; k=k/2)<br />sum++;<br /><br />why does this run on the order of O(log n)??
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