Importance of Efficiency • Consider the problem of summing Ek =1+2+3+..+n Algorithm A Algorithm B Algorithm C sum 0. for (long i= 1: n, ) Jong sum = 0; for (long i= 1; i =n, ++) m= sum + sum =n* (n• 1)/2; for (long = 1; ) sum = sum +1: end for For each algorithm, test your project by computing and displaying sum, and elapsed times in the unit of seconds for sum operations for the sums of 1 up to n for n read in from the user via keyboard, test your program with user keyboard entries for n = 1000, 5000, 199999, 1000000 respectively, observe and record the results for each n innut
Importance of Efficiency • Consider the problem of summing Ek =1+2+3+..+n Algorithm A Algorithm B Algorithm C sum 0. for (long i= 1: n, ) Jong sum = 0; for (long i= 1; i =n, ++) m= sum + sum =n* (n• 1)/2; for (long = 1; ) sum = sum +1: end for For each algorithm, test your project by computing and displaying sum, and elapsed times in the unit of seconds for sum operations for the sums of 1 up to n for n read in from the user via keyboard, test your program with user keyboard entries for n = 1000, 5000, 199999, 1000000 respectively, observe and record the results for each n innut
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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