Describe the running time in terms of the variable n. it would be better to say that loop will run 2*n + 1 times instead of That loop will run O(n) times for this; private int mystery(int n) { int sum = 1; for (int i = 0; i < n; i++){ sum = sum*2; } for (int i = 0; i < n; i++){ for (int j = n; j > 0; j=j/2) { sum = sum + n; } } return sum; }
Describe the running time in terms of the variable n. it would be better to say that loop will run 2*n + 1 times instead of That loop will run O(n) times for this; private int mystery(int n) { int sum = 1; for (int i = 0; i < n; i++){ sum = sum*2; } for (int i = 0; i < n; i++){ for (int j = n; j > 0; j=j/2) { sum = sum + n; } } return sum; }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Describe the running time in terms of the variable n. it would be better to say that loop will run 2*n + 1 times instead of That loop will run O(n) times for this;
private int mystery(int n) { int sum = 1; for (int i = 0; i < n; i++){ sum = sum*2; } for (int i = 0; i < n; i++){ for (int j = n; j > 0; j=j/2) { sum = sum + n; } } return sum; }
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