#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <windows.h>
#include <dos.h>
#include <conio.h>
#define n 15
#define m 10
void gotoxy(int x, int y)
{
	COORD p = { x, y };
	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), p);
}
int main() {
	int i, j,flag = 0;
	char x[n][m];
	for (j = 0; j < m/2; j++) {
		if (flag == 0) {
			for (i = n-1; i >= 0; i--) {
				gotoxy(j, i + 3);
				printf("%c",x[i][j] = '*');
				gotoxy(m-1-j, i + 3);
				printf("%c", x[i][m-1-j] = '*');
				sleep(20000);
			}
			flag = !flag;
		}
		else {
			for (i = 0; i < n; i++) {
				gotoxy(j, i + 3);
				printf("%c", x[i][j] = '*');
				gotoxy(m - 1 - j, i + 3);
				printf("%c", x[i][m - 1 - j] = '*');
				sleep(20000);
			}
			flag = !flag;
		}
	}
	return 0;
}