URI 1099:: SOLUTION

URI Online Judge | 1099

Sum of Consecutive Odd Numbers II

Read an integer N that is the number of test cases. Each test case is a line containing two integer numbers X and Y. Print the sum of all odd values between them, not including X and Y.

Input

The first line of input is an integer N that is the number of test cases that follow. Each test case is a line containing two integer X and Y.

Output

Print the sum of all odd numbers between X and Y.

Input Sample	Output Sample
7 4 5 13 10 6 4 3 3 3 5 3 4 3 8	0 11 5 0 0 0 12

[WAIT]

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