Adding vectors ??

This is a discussion on Adding vectors ?? within the C++ Programming forums, part of the General Programming Boards category; When i last time tried to add vectors i got nasty error (in dev-c++) that opens another file .cpp and ...

  1. #1
    "Why use dynamic memory?"
    Join Date
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    Adding vectors ??

    When i last time tried to add vectors i got nasty error (in dev-c++) that opens another file .cpp and cite the error, a line that has some iterator.

    this is the code

    Code:
    #include <iostream>
    #include <vector>
    using namespace std;
    
    int main()
    {
    	//Making vectors 
    	
    	vector<string> my;
    	my.push_back("Car");
    	my.push_back("Boat");
    	my.push_back("Plane");
    
    	vector<string> yours;
    	yours.push_back("Jet");
    	yours.push_back("Parachute");
    	yours.push_back("Wings");
    
    	vector<string> ours(my, yours);
    
    	return 0;
    }


    plz tell me how to add more than one vector (for example 5 vectors) in one vector ? do i have to specify the size of the vector that is having all the vectors ??

    "C makes it easy to shoot yourself in the foot; C++ makes it harder, but when you do, it blows away your whole leg."-Bjarne Stroustrup
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  2. #2
    C++ Witch laserlight's Avatar
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    Assuming that you want to combine the two vectors, it would be something like:
    Code:
    vector<string> ours(my);
    ours.insert(ours.end(), yours.begin(), yours.end());
    If you want to create a vector of vectors, then it would be:
    Code:
    vector<vector<string> > ours;
    ours.push_back(my);
    ours.push_back(yours);
    Quote Originally Posted by Bjarne Stroustrup (2000-10-14)
    I get maybe two dozen requests for help with some sort of programming or design problem every day. Most have more sense than to send me hundreds of lines of code. If they do, I ask them to find the smallest example that exhibits the problem and send me that. Mostly, they then find the error themselves. "Finding the smallest program that demonstrates the error" is a powerful debugging tool.
    Look up a C++ Reference and learn How To Ask Questions The Smart Way

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