I've ac 5 in the competition.But my code for D had been hacked.Then,5->4,1500->5300,+100(and more)->+1.NO GOD PLEASE NOOOOOOOOOOO!My code for D had been hacked just because a place which should be 'bool' and I've code 'long long'.GODDDDDDDDDDDDDDDDD!I could have uped to 1400! (Next will be edi for a to e)