alice hair grow leap bound maybe cause excess vitamin maybe black magicto prevent Alice decide hairdresser she want hair length l centimeter haircut l favorite number suppose alice head straight line n hairline grow Lets number 1 n with swing scissor hairdresser shorten hairlines segment length l give hairline segment length strictly great l the hairdresser want complete job fast possible possible number swing scissor swing scissor take secondAlice have not decide hairdresser ask calculate time haircut depend time hairdresser in particular need process query type 0 Alice ask time haircut hairdresser 1 p d pth hairline grow d centimeter note request 0 Alice interested hypothetical scenario take haircut hairline change length