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c++ Programming Glossary: scanfUsing scanf() in C++ programs is faster than using cin? http://stackoverflow.com/questions/1042110/using-scanf-in-c-programs-is-faster-than-using-cin scanf in C programs is faster than using cin I don't know if this.. with a decent amount of input or output. Use printf and scanf instead. Can someone please clarify this Is really using scanf.. instead. Can someone please clarify this Is really using scanf in C programs faster than using cin something If yes that is..
Which I/O library do you use in your C++ code? [closed] http://stackoverflow.com/questions/119098/which-i-o-library-do-you-use-in-your-c-code over runs or writing a float value to a char object etc. scanf printf and family on the other hand rely on the programmer getting..
Difference between format specifiers %i and %d in printf http://stackoverflow.com/questions/1893490/difference-between-format-specifiers-i-and-d-in-printf but different when used as input specifier e.g. with scanf where d scans an integer as a signed decimal number but i allows..
In C/C++, is char* arrayName[][] a pointer to a pointer to a pointer OR a pointer to a pointer? http://stackoverflow.com/questions/3920729/in-c-c-is-char-arrayname-a-pointer-to-a-pointer-to-a-pointer-or-a-pointe int main void char word 80 ch char p do puts nEnter word scanf s word p char dic find matching word and print its meaning do.. p if p puts Word not in dictionary. printf Another y n scanf c c ch while toupper ch 'N' return 0 c c arrays pointers multidimensional..
How to get IOStream to perform better? http://stackoverflow.com/questions/5166263/how-to-get-iostream-to-perform-better better Most previously C users prefer to use the printf scanf family of functions even in C . Although I admit that I find.. reading of a file It seems that the best answer is to use fscanf ... and that the C ifstream is consistently x2 x3 times slower... operator FILE file fopen _filename r int count 0 while fscanf file s _buffer 1 count fclose file char const _filename char..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong using iostream eof wrong How is it different from using scanf ... ... EOF in C which I often use with no problems c iostream.. data hopefully And on your second question Because if scanf ... ... EOF is the same as if inStream data .eof and not the..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python to python's speed. I also tried J.N.'s suggestion of using scanf into a char array instead of getline into a std string. Bingo.. char input_a 512 char input_b 32 char input_c 512 while scanf s s s n input_a input_b input_c EOF line_count Speed cat test_lines.. Yes I ran it several times. So I guess I will now use scanf instead of getline. But I'm still curious if people think this..
Is there ever a need for a “do {…} while ( )” loop? http://stackoverflow.com/questions/994905/is-there-ever-a-need-for-a-do-while-loop #include stdio.h int main char c do printf enter a number scanf c c while c '0' c '9' This can of course be rewritten to a while..
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