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vector of strings

 
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vector of strings
jayhuang
3 Dec, 2006 - 08:32 PM
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Joined: 11 Oct, 2006
Posts: 31


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given a vector of strings, write code which outputs the 3rd and 5th character of each string.

Here is what I have.

CODE

#include <string>
#include <vector>
#include <iostream>
using namespace std;

int main()
{
  vector <string> hold;

  hold.push_back("speech");
  hold.push_back("wireless");
  hold.push_back("professor");

  string temp;

  for (int i = 0; i < hold.size(); i++)
   {
    temp =  hold[i];
    cout << "3rd is " << temp[2] << endl;
    cout << "5th is " << temp[4] << endl;
   }
   return 0;
}


This post has been edited by jayman9: 3 Dec, 2006 - 10:17 PM
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Xing
RE: Vector Of Strings
3 Dec, 2006 - 09:00 PM
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Posts: 723



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1. You don't need temp
CODE

#include <string>
#include <vector>
#include <iostream>
using namespace std;

int main()
{
vector <string> hold;

hold.push_back("speech");
hold.push_back("wireless");
hold.push_back("professor");

for (unsigned int i = 0; i < hold.size(); i++)
{
cout << "3rd is " << hold[i][2] << endl;
cout << "5th is " << hold[i][4] << endl;
}
return 0;
}


2. Changed (int i = 0; i < hold.size(); i++) to (unsigned int i = 0; i < hold.size(); i++) to remove the warning between unsigned and signed comparison.

3. Closing code tag is [/code]

This post has been edited by Xing: 3 Dec, 2006 - 09:01 PM
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okyup
RE: Vector Of Strings
3 Dec, 2006 - 09:04 PM
Post #3

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What is your question? The code you posted works... unsure.gif
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