[CodeForces] Round #313 Div 2 E / Div 1 C Gerald and Giant Chess 不用容斥的递推组合数学
E. Gerald and Giant Chesstime limit per test 2 secondsmemory limit per test 256 megabytesinput standard inputoutput standard outputGiant chess is quite common in Geraldion. We will not delve int
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2015-07-24 14:52:17 ·
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