Given a character value in your language, print its code (could be ASCII code, Unicode code, or whatever your language uses). For example, the char
Continue ReadingC++: Binary Search
//! \brief A recursive binary search using STL vectors //! \param vec The vector whose elements are to be searched //! \param start The index of
Continue ReadingC++: Longest Common Substring
#include <string> using std::string; int LongestCommonSubstring(const string& str1, const string& str2) { if(str1.empty() |
Continue ReadingWhat is “:-!!” in C code?
I bumped into this strange macro code in /usr/include/linux/kernel.h: /* Force a compilation error if condition is true, but also produce a resul
Continue ReadingC++: Swap Values
On lines 6–7, we create two std::string objects whose values we wish to swap. However, this sample will also apply to any other swappable type. O
Continue ReadingC++: Sort a Range of Elements
On line 8, we create a std::array of ints that we wish to sort. On line 10, we call the standard alrogithm std::sort, which sorts the range of elem
Continue ReadingC++: Knapsack Problem
A tourist wants to make a good trip at the weekend with his friends. They will go to the mountains to see the wonders of nature, so he needs to pack w
Continue ReadingC++: Input Loop
Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
Continue ReadingC++: Horner’s Rule for Polynomial Evaluation
A fast scheme for evaluating a polynomial such as: when . is to arrange the computation as follows: And compute the result f
Continue ReadingC++: Execute a System Command
In this task, the goal is to run either the ls (dir on Windows) system command, or the pause system command. Works with: Visual C++ version 2005 sys
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