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H. Skyscrapertime limit per test4.0 smemory limit per test512 MBinputstandard inputoutputstandard outputAt the main street of Byteland, there will be builtnnskyscrapers, standing s...

Here is a square matrix ofn * nn∗n, each lattice has its value (nnmust be odd), and the center value isn * nn∗n. Its spiral decline along the center of the square matrix (the way of spiral decline ...