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Troubles with mancala

mjhenre (3)
For my class I'm making a mancala game, but I'm having troubles with the actual movement of marbles in the game
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#include <iostream>			
#include <vector.h>
bool finished(vector <int> displayboard);
void displayboard(vector <int> boardvalue);
void makemove(vector <int> &boardvalue, int player);

using namespace std;			
void makemove(vector <int> &boardvalue, int player)
{
	char position; int numposition;
	cout << "\nWhich column do you want to pick from? ";
	cin >> position;
	if (player == 1)
	{
		switch(position)
		{
			case 'A':
				numposition=1;
				break;
			case 'B': 
				numposition=2;
				break;
			case 'C':
				numposition=3;
				break;
			case 'D':
				numposition=4;
				break;
			case 'E':
				numposition=5;
				break;
			case 'F':
				numposition= 6;
				break;
			default: 
				cout << "Enter the letter of one of the pits";
				break;
		}
	}
	if (player == 2)
	{
		switch(position)
		{
			case 'A':
				numposition=13;
				break;
			case 'B': 
				numposition=12;
				break;
			case 'C':
				numposition=11;
				break;
			case 'D':
				numposition=10;
				break;
			case 'E':
				numposition=9;
				break;
			case 'F':
				numposition=8;
				break;
			default: 
				cout << "Enter the letter of one of the pits";
				break;
		}
	}
	int numstones = boardvalue[numposition];
	boardvalue[numposition]=0;
	for (int i = 1; i < numstones; i++)
	{
		boardvalue[(numposition + i)] += 1;
	}	
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bool finished(vector <int> displayboard)
{ 
	if (displayboard[1] ==0 && displayboard[2] ==0 && displayboard[3] ==0 && displayboard[4] ==0 && displayboard[5] ==0 && displayboard[6] ==0 ||displayboard[13] ==0 && displayboard[8] ==0 && displayboard[9] ==0 && displayboard[10] ==0 && displayboard[11] ==0 && displayboard[12] ==0)
		return true;
	else
		return false;
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void displayboard(vector <int> boardvalue)
{
	cout << "	" << boardvalue[13] << "	" << boardvalue[12] << "	" << boardvalue[11] << "	" << boardvalue[10] << "	" << boardvalue[9] << "	" << boardvalue[8];
	cout << endl << boardvalue[0] << "							" << boardvalue [7] << endl;
	cout << "	" << boardvalue[1] << "	" << boardvalue[2] << "	" << boardvalue[3] << "	" << boardvalue[4] << "	" << boardvalue[5] << "	" << boardvalue[6];
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int main()
{
	vector <int> boardvalue(14);
	int player = 1;
	for (int i = 0;  i <= boardvalue.size(); i ++)
	{
		 boardvalue[i] = 4;
	}
	boardvalue[0] = 0; boardvalue[7] = 0;
	displayboard(boardvalue);
	cout << "\n	A	B	C	D	E	F\n";
	while (!finished(boardvalue))
	{
		if (player == 1)
			{
			cout <<  "\nPlayer 1's turn!";
			}
		else
			{
			cout << "\nPlayer 2's turn!";
			}
		makemove(boardvalue, player);
		if (player == 1)
			{
			cout << "	A	B	C	D	E	F\n";
			}
		displayboard(boardvalue);	
		if (player == 2)
			{
			cout << "\n	A	B	C	D	E	F\n";
			}
		if (player == 1)
			{
			player = 2;
			} 
		else
			player = 1;
	}
	
	return(0);					
}

Specifically in makemove towards the end at 
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int numstones = boardvalue[numposition];
	boardvalue[numposition]=0;
	for (int i = 1; i < numstones; i++)
	{
		boardvalue[(numposition + i)] += 1;
	}

It ends when the vector gets to 13, though it should keep looping until it runs out of stones.
I know there's a simple solution to the problem, and I feel really dumb because it is escaping my grasp right now.
Any other advice would be appreciated as well.
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