#include clock_t start = clock(); doSomething(); clock_t finish = clock(); double overallTime = static_cast(finish - start)/ CLOC unsigned long long int sum; onsider the following two loops: Loop A r(i = 1; i <= n; i++) for (j = 1; j <- 10000; j++) sum - sum + j; Loop B r(i = 1; i <= n; i++) for (j = 1; j <= n; j++) sum = sum + j; "hat us the Big O of each loop? Design and implement an experiment to pop B is faster than Loop A.

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
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The question in the image below is a C++ programming problem that I really need help with. Thank you.

For the following programming problems, you need to time a section of code in C++. For example, the
following statements time the execution of the function doSomething:
#include <ctime>
clock_t start = clock();
doSomething();
clock_t finish = clock();
double overallTime =
static_cast<double>(finish - start)/ CLOCKS_PER_SEC;
unsigned long long int sum;
Consider the following two loops:
//Loop A
for (i
1; i <= n; i++)
for (j
1; j <=
10000; j++)
sum = sum + j;
//Loop B
for (i = 1; i <= n; i++)
for(j
sum = sum + j;
1; j <= n; j++)
What us the Big O of each loop? Design and implement an experiment to find a value of n for which
Loop B is faster than Loop A.
Transcribed Image Text:For the following programming problems, you need to time a section of code in C++. For example, the following statements time the execution of the function doSomething: #include <ctime> clock_t start = clock(); doSomething(); clock_t finish = clock(); double overallTime = static_cast<double>(finish - start)/ CLOCKS_PER_SEC; unsigned long long int sum; Consider the following two loops: //Loop A for (i 1; i <= n; i++) for (j 1; j <= 10000; j++) sum = sum + j; //Loop B for (i = 1; i <= n; i++) for(j sum = sum + j; 1; j <= n; j++) What us the Big O of each loop? Design and implement an experiment to find a value of n for which Loop B is faster than Loop A.
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