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Time limit 3000/5000/5000/5000 ms. Memory limit 65000/65000/65000/65000 Kb.
Difficulty Beta
A number spiral is an infinite grid whose upper-left square has number 1. Here are the first five layers of the spiral: Your task is to find out the number in row y and column x. Input The first input line contains an integer t: the number of tests. After this, there are t lines, each containing integers y and x. Output For each test, print the number in row y and column x. Constraints 1≤t≤10 1≤y,x≤109 Example Input: 3 2 3 1 1 4 2 Output: 8 1 15 Для отправки решений необходимо выполнить вход. |