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BJP4 Self-Check 13.9: bigOh1

Language/Type: Java big-oh
Author: Marty Stepp (on 2016/09/08)

Approximate the runtime of the following code fragment, in terms of n: Write your answer in a format such as "O(N^2)" or "O(N log N)" (without the quotes).

int sum = 0;
int j = 1;
while (j <= n) {
    j = j * 2;

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