<details>\n<summary> Q1 : Opening Hospitals </summary>\n\n![image](https://assets.leetcode.com/users/deepakps22/image_1582338809.png)\n\n![image](https://assets.leetcode.com/users/deepakps22/image_1582338844.png)\n\n![image](https://assets.leetcode.com/users/deepakps22/image_1582338852.png)\n\n``public static int hospital(int cityNodes, List<Integer> cityFrom, List<Integer> cityTo) {\n    }``\n\t\n</details>\n<details>\n<summary> Q2 : Filtering Messages </summary>\n\n![image](https://assets.leetcode.com/users/deepakps22/image_1582338933.png)\n\n![image](https://assets.leetcode.com/users/deepakps22/image_1582338942.png)\n\n``public static int filteringMessages(String messageA, String messageB, String virusC) {\n     }``\n\t\n</details>\t\n\n\n\t\n\n\n

\n Q1 : Opening Hospitals \n\n![image](https://assets.leetcode.com/users/deepakps22/image_1582338809.png)\n\n![image](https://assets.leetcode.com/users/deepakps