How do I call clock() in C++?
For example, I want to test how much time a linear search takes to find a given element in an array.
7 Answers
You can measure how long your program works. The following functions help measure the CPU time since the start of the program:
- C++
(double)clock() / CLOCKS_PER_SECwith ctime included. - Python
time.clock()returns floating-point value in seconds. - Java
System.nanoTime()returns long value in nanoseconds.
My reference: algorithms toolbox week 1 course part of data structures and algorithms specialization by University of California San Diego & National Research University Higher School of Economics
So you can add this line of code after your algorithm:
cout << (double)clock() / CLOCKS_PER_SEC;
Expected Output: the output representing the number of clock ticks per second
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