2009机试.........................................................................................................................................2计算和的数位..........................................................................................................................2大写改小写..............................................................................................................................3素数对......................................................................................................................................4求最大公约数和最小公倍数...................................................................................................6排序后求位置处的数..............................................................................................................7*路由器连接............................................................................................................................8*编译原理..............................................................................................................................10*分开连接..............................................................................................................................132010机试.......................................................................................................................................17ECNU的含义..........................................................................................................................17空瓶换啤酒............................................................................................................................18统计字符................................................................................................................................202010机试热身...............................................................................................................................21粽子买三送一,买五送二.....................................................................................................21工程流水线问题....................................................................................................................222011机试.......................................................................................................................................24helloworld..............................................................................................................................24Specialjudge...........................................................................................................................26查询成绩................................................................................................................................282011机试热身...............................................................................................................................30贪吃蛇....................................................................................................................................30仰望星空................................................................................................................................34*编辑距离..............................................................................................................................362012机试......................................