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Problem DescriptionYuta gives Rikka a chess board of size n×m.As we all know, on a chess board, every cell is either black or white and every two cells that share a side have different colors.

Rightmost DigitTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 48003    Accepted Submission(s): 18191Problem DescriptionGiven a po

Fibonacci AgainTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 52808    Accepted Submission(s): 24967Problem DescriptionThere are

C. Pythagorean Triplestime limit per test：1 secondmemory limit per test：256 megabytesinput：standard inputoutput：standard outputKatya studies in a fifth grade. Recently he