c++ Programming Glossary: ctime

Copy a file in an sane, safe and efficient way

http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way

#include cstdio fopen fclose fread fwrite BUFSIZ #include ctime using namespace std int main clock_t start end start clock BUFSIZE.. unistd.h read write close #include cstdio BUFSIZ #include ctime using namespace std int main clock_t start end start clock BUFSIZE.. WAY #include iostream #include fstream #include ctime using namespace std int main clock_t start end start clock ifstream..

Why is processing a sorted array faster than an unsorted array?

http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array

up the code by almost 6x #include algorithm #include ctime #include iostream int main Generate data const unsigned arraySize..

How to Calculate Execution Time of a Code Snippet in C++

http://stackoverflow.com/questions/1861294/how-to-calculate-execution-time-of-a-code-snippet-in-c

#include Windows.h #else #include sys time.h #include ctime #endif Returns the amount of milliseconds elapsed since the..

Better random algorithm?

http://stackoverflow.com/questions/1912199/better-random-algorithm

rand 1 . It doesn't feel very random. I'm using srand with ctime at startup but it seems like the same patterns are coming up...

Why is (rand() % anything) always 0 in C++?

http://stackoverflow.com/questions/2129705/why-is-rand-anything-always-0-in-c

1000 excluded each time it's run #include cstdlib #include ctime #include iostream int main std srand time 0 std cout std rand..

C++ Timer function to provide time in nano seconds

http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds

I am using the timer.h to caculate the same #include ctime #include cstdio using namespace std int main int argc char argv..

How to use clock() in C++

http://stackoverflow.com/questions/3220477/how-to-use-clock-in-c

this question #include iostream #include cstdio #include ctime int main std clock_t start double duration start std clock Your..

How does does ifstream eof() work?

http://stackoverflow.com/questions/4533063/how-does-does-ifstream-eof-work

#include cstdio #include cmath #include cstdlib #include ctime #include cctype #include fstream using namespace std int main..

Performance of qsort vs std::sort?

http://stackoverflow.com/questions/4708105/performance-of-qsort-vs-stdsort

vector #include algorithm #include cstdlib #include ctime #include cstdio const size_t LARGE_SIZE 100000 struct rnd int..

How to get IOStream to perform better?

http://stackoverflow.com/questions/5166263/how-to-get-iostream-to-perform-better

oldSyncSetting std ios_base sync_with_stdio false double ctime benchmark cread iterations double cpptime benchmark cppread..

C++ random float number generation

http://stackoverflow.com/questions/686353/c-random-float-number-generation

What's faster, iterating an STL vector with vector::iterator or with at()?

http://stackoverflow.com/questions/776624/whats-faster-iterating-an-stl-vector-with-vectoriterator-or-with-at

so. #include vector #include iostream #include ctime using namespace std int main const int BIG 20000000 vector int..

Fastest way to find the number of lines in a text (C++)

http://stackoverflow.com/questions/843154/fastest-way-to-find-the-number-of-lines-in-a-text-c

iostream #include fstream #include vector #include ctime using namespace std unsigned int FileRead istream is vector..