main.cpp

#include <iostream>
#include <vector>
#include <algorithm>
#include <ctime>
#include <string>
#include <cctype>
#include <conio.h>
#include <windows.h>

using namespace std;
    void shuffle(vector<string> &rvec);
    void takeguess(char& rguess);
    void welcome(int& rcont);
    void checkguess(string &rused, char &rguess);
    void checkinword(const string &rtheword, const char &rguess, int &attempt, string &rsofar);
    const int MAX_ATTEMPTS=5;
    int wrongs;

int main()
{
    char guess;

    int cont;
    vector<string> wordlist;
    wordlist.push_back("TAIWO");
    wordlist.push_back("KEHINDE");
    wordlist.push_back("ILERI");
    wordlist.push_back("IFE");
    shuffle(wordlist);
    const string THE_WORD = wordlist[0];
    string sofar(THE_WORD.size(),'_');
    welcome(cont);

    while (cont==1) {
    wrongs=0;
    string notused="";

    while (wrongs!=MAX_ATTEMPTS && sofar!=THE_WORD) {
            takeguess(guess);
            checkguess(notused, guess);
            checkinword(THE_WORD, guess, wrongs, sofar);
    }
    if (wrongs==MAX_ATTEMPTS){
        cout << "You've been hanged" << endl;
        Sleep(10000);
        }
    else if (sofar==THE_WORD){
        cout << "Congratulations you won!" << endl;
    }

    cout << "Will you like to play again\nEnter:\n1 - to continue.\n2 - quit the game." << endl;
    cin >> cont;

}
    cout << "Good Bye";
}


void checkinword(const string &rtheword, const char &rguess, int &attempt, string &rsofar) {

    if (rtheword.find(rguess)!=string::npos){
        cout << "Your Guess is Right" << endl;
        for (unsigned int i=0; i<rtheword.size();i++){
            if (rtheword[i]==rguess) {
                rsofar[i]=rguess;
            }
        }
        cout << "So far the word is: " << rsofar << endl;

    }

    else {
        cout << "wrong guess" << endl;
        wrongs++;
    }

}

 void checkguess(string &rused,  char &rguess) {
     rguess = toupper(rguess);
      while (rused.find(rguess)!=string::npos) {
       cout << "\nYou have tried this character before. Try a new guess: ";
       cin >> rguess;
     }
      rused += rguess;


}

void welcome(int& rx) {
    string name;
    cout << "Enter your Name to start the game: ";
    cin >> name;
    cout <<  "Hello " << name << ", You are welcome to the hanging man game 2.0\nDo you want to Continue.\nEnter:\n1 - to continue.\n2 - to quit." << endl;
    cin >> rx;

}

void shuffle(vector<string> &rvec) {
    srand(time(0));
    random_shuffle(rvec.begin(),rvec.end());
}

void takeguess(char& rx) {
   cout << "You have " << (MAX_ATTEMPTS - wrongs) << " attempts left" << endl;
    cout << "Enter your Guess" << endl;
    cin >> rx;
}

mine.cbp

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_project_file>
	<FileVersion major="1" minor="6" />
	<Project>
		<Option title="mine" />
		<Option pch_mode="2" />
		<Option compiler="gcc" />
		<Build>
			<Target title="Debug">
				<Option output="bin/Debug/mine" prefix_auto="1" extension_auto="1" />
				<Option object_output="obj/Debug/" />
				<Option type="1" />
				<Option compiler="gcc" />
				<Compiler>
					<Add option="-g" />
				</Compiler>
			</Target>
			<Target title="Release">
				<Option output="bin/Release/mine" prefix_auto="1" extension_auto="1" />
				<Option object_output="obj/Release/" />
				<Option type="1" />
				<Option compiler="gcc" />
				<Compiler>
					<Add option="-O2" />
				</Compiler>
				<Linker>
					<Add option="-s" />
				</Linker>
			</Target>
		</Build>
		<Compiler>
			<Add option="-Wall" />
			<Add option="-fexceptions" />
		</Compiler>
		<Unit filename="main.cpp" />
		<Extensions>
			<code_completion />
			<envvars />
			<debugger />
			<lib_finder disable_auto="1" />
		</Extensions>
	</Project>
</CodeBlocks_project_file>

mine.depend

# depslib dependency file v1.0
1419182873 source:c:\users\taiwo\desktop\grading program\mine\main.cpp
	<iostream>
	<vector>
	<algorithm>
	<ctime>
	<string>

mine.layout

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_layout_file>
	<ActiveTarget name="Debug" />
	<File name="main.cpp" open="1" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
		<Cursor>
			<Cursor1 position="158" topLine="0" />
		</Cursor>
	</File>
</CodeBlocks_layout_file>