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Language: Rectangles
Description You are developing a software for painting rectangles on the screen. The software supports drawing several rectangles and filling some of them with a color different from the color of the background. You are to implement an important function. The function answer such queries as what is the colored area if a subset of rectangles on the screen are filled. Input The input consists of multiple test cases. Each test case starts with a line containing two integers The last test case is followed by a line containing two zeros. Output For each test case, print a line containing the test case number( beginning with 1). Sample Input 2 2 0 0 2 2 1 1 3 3 1 1 2 1 2 2 1 0 1 1 2 2 1 3 2 2 1 2 0 0 Sample Output Case 1: Query 1: 4 Query 2: 7 Case 2: Query 1: 2 Source |

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