std::equal is an STL algorithm to compare two ranges for equality.


#include <algorithm>

#include <cassert>

#include <vector>



int main()

{

  std::vector<int> v1;

  v1.push_back( std::rand() );

  v1.push_back( std::rand() );

  v1.push_back( std::rand() );

 

  std::vector<int> v2(v1);



  assert(std::equal(v1.begin(),v1.end(),v2.begin()));



  v2.push_back( std::rand() );

 

  assert( std::equal(v1.begin(),v1.end(),v2.begin()));

  assert(!std::equal(v2.begin(),v2.end(),v1.begin()));

}

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(C++) std::equal