I failed by misreading the problem on this one. I thought the sonar beam grid was of size 4 instead of size 3. It cost me two WA’s :(<\/p>\n
\r\nimport java.io.PrintWriter;\r\nimport java.util.Scanner;\r\n\r\n\/**\r\n * \r\n * @author Sanchit M. Bhatnagar\r\n * @see http:\/\/uhunt.felix-halim.net\/id\/74004\r\n * \r\n *\/\r\npublic class P11044 {\r\n\r\n public static void main(String[] args) {\r\n Scanner sc = new Scanner(System.in);\r\n PrintWriter out = new PrintWriter(System.out);\r\n int N = Integer.parseInt(sc.nextLine());\r\n while (N > 0) {\r\n int X = sc.nextInt();\r\n int Y = sc.nextInt();\r\n out.println((long) (Math.ceil((X - 2) * 1.0 \/ 3) * Math.ceil((Y - 2) * 1.0 \/ 3)));\r\n N--;\r\n }\r\n out.close();\r\n sc.close();\r\n }\r\n\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"