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#启动
docker run --name mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=mypassword -d mysql

#进入容器
docker exec -it mysql bash

#登录mysql
mysql -u root -p
ALTER USER 'root'@'localhost' IDENTIFIED BY 'mypassword';

#添加远程登录用户
CREATE USER 'remoteuser'@'%' IDENTIFIED WITH mysql_native_password BY 'mypassword';
GRANT ALL PRIVILEGES ON *.* TO 'remoteuser'@'%';

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func ValidateSolution(m [][]int) bool {
	for outer_idx, outer_val := range m {
		var row, col, grid [10]bool
		for inner_idx, inner_val := range outer_val {
			// validate row
			if inner_val == 0 || row[inner_val] == true {
				return false
			} else {
				row[inner_val] = true
			}

			// validate column
			key := m[inner_idx][outer_idx]
			if col[key] == true {
				return false
			} else {
				col[key] = true
			}

			// validate grid
			x := 3*(outer_idx/3) + inner_idx/3
			y := 3*(outer_idx%3) + inner_idx%3
			key = m[x][y]
			if grid[key] == true {
				return false
			} else {
				grid[key] = true
			}
		}
	}

	return true
}