Thread: pls help me error 2065

Code:

#include <iostream>
#include <conio.h>
using namespace std;
bool  gameOver;
const int width = 20;
const int height = 20;
int x, y, fruitX, fruitY, score;
int tailX[100], tailY[100];
int nTail;
enum eDirecton { STOP =  0, LEFT, RIGHT, UP, DOWN};
eDirecton dir;
void Setup()
{
    gameOver = false;
    dir = STOP;
    x = width / 2;
    y = height / 2;
    fruitX = rand() % width;
    fruitY = rand() % height;
    score = 0;


}
void Draw()
{
    system("cls");
    for (int i = 0; i < width+2; i++)
        cout << "#";


    cout << endl;


    for (int i = 0; i < height; i++)
    {
        for (int j = 0; j < width; j++)
        {
            if (j == 0)
                cout << "#";
            if (i == y && j == x)
                cout << "O";
            else if (i == fruitY && j == fruitX)
                cout << "f";
            else
            {
                bool print = false;
                for (int k = 0; k < nTail; k++)
                {
                    
                    if (tailX[k] == j && tailY[k] == i)
                    {
                        cout << "o";
                        print = true;
                    }
                   
                }
                 if (!print)
                       cout << " ";
            }


            if (j == width - 1)
                cout << "#";
        }
        cout << endl;
    }


    for (int i = 0; i < width+2; i++)
        cout << "#";
    cout << endl;
    cout << "Score:" << score << endl;




}
void Input()
{
    if (_kbhit())
    {
        switch (_getch())
        {
            case 'a':
                dir = LEFT;
                break;
            case  'd':
                dir = RIGHT;
                break;
            case 'w':
                dir = UP;
                break;
            case 's':
                dir = DOWN;
                break;
            case 'x':
                gameOver = true;
                break;
        }
    }


}
void Logic()
{
    int prevX = tailX[0];
    int prevY = tailY[0];
    int prev2X, prev2Y;
    tailX[0] = x;
    tailY[0] = y;
    for (int i = 1; i < nTail; i++)
    {
        prev2X = tailX[i];
        prev2Y = tailY[i];
        tailX[i] = prevX;
        tailY[i] = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }
    switch (dir)
    {
    case LEFT:
        x--;
        break;
    case RIGHT:
        x++;
        break;
    case UP:
        y--;
        break;
    case DOWN:
        y++;
        break;
    default:
        break;
    }
    if (x > width || x < 0 || y > height || y < 0)
        gameOver = true;  


    for (int i = 0; i < nTail; i++);
        if (tailX[i] == x && tailY[i] == y)
            gameOver = true;


    if (x == fruitX && y == fruitY)
    {
        score += 10;
        fruitX = rand() % width;
        fruitY = rand() % height;
        nTail++;
    }
}


int main()
{
    Setup();
    while (!gameOver)
    {
        Draw();
        Input();
        Logic();


    }
    return 0;
}

pls help
Error C2065 'i': undeclared identifier Snake C:\Users\costi\Desktop\Snake\Snake\Snake\Snake.cpp 142

Code:

for (int i = 0; i < nTail; i++); //<-- get rid of the semi-colon here

Thank you