mejustdoit的专栏

ZOJ Problem Set - 1622 Switch Time Limit: 2 Seconds      Memory Limit: 65536 KB There are N lights in a line. Given the states (on/off) of the lights, your task is to determine at least how

ZOJ Problem Set - 3725 Painting Storages Time Limit: 2 Seconds      Memory Limit: 65536 KB There is a straight highway with N storages alongside it labeled by 1,2,3,...,N. Bob asks you to p