std::adjacent_find is an STL algorithm to search a container for two adjacent identical values.

Project and source code

Operating system: Ubuntu 10.04 LTS Lucid Lynx

IDE: Qt Creator 2.0.0

Project type: Qt4 GUI Application

Compiler: G++ 4.4.1

Libraries used:

STL: from GCC, shipped with Qt Creator 2.0.0

Download the Qt Creator project 'CppAdjacent_find' (zip)

main.cpp


#include <algorithm>

#include <cassert>

#include <vector>



int main()

{

  std::vector<int> v;

  v.push_back(0);

  v.push_back(1);

  v.push_back(2);

  v.push_back(2);

  v.push_back(3);

  v.push_back(4);



  assert(std::adjacent_find(v.begin(),v.end())!=v.end());

  assert(*std::adjacent_find(v.begin(),v.end())==2);



  //Remove duplicate

  v[2]=5;



  assert(std::adjacent_find(v.begin(),v.end())==v.end());

}

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(C++) std::adjacent_find

Project and source code

main.cpp