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Problem Description Yuta 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 Digit Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 48003    Accepted Submission(s): 18191 Problem Description Given a po

Fibonacci Again Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 52808    Accepted Submission(s): 24967 Problem Description There are

C. Pythagorean Triples time limit per test：1 second memory limit per test：256 megabytes input：standard input output：standard output Katya studies in a fifth grade. Recently he