草庐IT

洛谷 P2973 [USACO10HOL]Driving Out the Piggies G ,概率论+高斯消元

洛谷P2973[USACO10HOL]DrivingOutthePiggiesG题目描述TheCowshaveconstructedarandomizedstinkbombforthepurposeofdrivingawaythePiggies.ThePiggycivilizationconsistsofN(2ThestinkbombisdeployedinPiggycity1.Eachhour(includingthefirstone),ithasaP/Q(11,000,000;PBecauseoftherandomnatureofthestinkbomb,theCowsarewonderi

洛谷 P2973 [USACO10HOL]Driving Out the Piggies G ,概率论+高斯消元

洛谷P2973[USACO10HOL]DrivingOutthePiggiesG题目描述TheCowshaveconstructedarandomizedstinkbombforthepurposeofdrivingawaythePiggies.ThePiggycivilizationconsistsofN(2ThestinkbombisdeployedinPiggycity1.Eachhour(includingthefirstone),ithasaP/Q(11,000,000;PBecauseoftherandomnatureofthestinkbomb,theCowsarewonderi