{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"Grace Brewster Hopper was an American computer scientist, mathematician, and United States Navy rear admiral. She was a pioneer of computer programming and she asked you to solve a particular problem by writing a computer program. You have been given the range [a, b]. Your job is to find the sum of all the odd numbers in this range. For example, the summation of all the odd integers in the range [3, 9] is 3 + 5 + 7 + 9 \u003d 24."}},{"title":"Input","value":{"format":"HTML","content":"There can be at multiple test cases. The first line of input gives you the number of test cases, T (1≤T≤100). Then T test cases follow. Each test case consists of 2 integers a and b (0≤a≤b≤100) in two separate lines."}},{"title":"Output","value":{"format":"HTML","content":"For each test case, you are to print one line of output - the serial number of the test\ncase followed by the summation of the odd integers in the range [a, b]."}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\n1\n5\n3\n5\n\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e\nCase 1: 9\nCase 2: 8\u003c/pre\u003e"}}]}