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This assignment begins software tools and techniques for structuring complex programs. Use it to become familiar with these facilities, and ensure you use the speci?ed concepts in your assignment solution.
1. Run the following C++ program with and without preprocessor variable POSTFIX de?ned.
#include using namespace std;extern "C" int atoi( const char *str );struct Node {int i, j, k;Node() {}};int main( int argc, char *argv[ ] ) {int times = 10000;switch ( argc ) {case 2:times = atoi( argv[1] );} // switchvector v( 10000 );vector::iterator vi;volatile int j = 0; // ignore, prevent loop eliminationfor ( int i = 0; i < times; i += 1 ) {for ( vi = v.begin(); vi != v.end();#ifdef POSTFIXvi ++#else++ vi#endif) {j += 1; // ignore, prevent loop elimination}}
Compare the two versions of the program with respect to performance by doing the following:
% time ./a.out
3.21u 0.02s 0:03.32 100.0%
(Output from time differs depending on your shell, but all provide user, system and real time.) Compare the user time (3.21u), which is the CPU time consumed solely by the execution of user code (versus system and real time).
A manager at the local Walmart needs to determine how many workers to hire to cover a 24-hour period. Each worker must work 9 consecutive hours but may only start work at the begin
Show that we can represent pairs of nonnegative integers using only numbers and arithmetic operations if we represent the pair a and b as the integer that is the product 2 a 3 b .
I need help with having a user input a year, and my program to spit out what day of the week Christmas is on.... any helping hands on this?
EXPLAIN CAI? AND ITS PITFALLS
Write a program to read a text file and create a dictionary. The keys for the dictionary should be all 26 letters of the alphabet and the values of the dictionary should be the lis
1. Develop an HTML code to create a Web page of blue color & display links in red color. 2. Develop an HTML code to create a Web page which contains an image at its center.
i have a homework in TinyOs
Describe URL and hostname part? The hostname part of the URL should be a valid Internet hostname. It can also be an IP address like as 204.29.207.217 or 128.235.252.184. The
A Consultant Dietician provides diet and nutritional advice to clients. A client's diet requires that all the food s/he eats come from one of the four "basic food groups" (chocolat
Scenario A campsite provides cabins for travellers to stay in overnight. A 'cabin' is a small wooden hut, containing bunk beds, table and chairs, a heater, and a small cookin
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