2025 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..............................................................................................................................132025 机试.......................................................................................................................................17ECNU 的含义..........................................................................................................................17空瓶换啤酒............................................................................................................................18记录字符................................................................................................................................202025 机试热身...............................................................................................................................21粽子买三送一，买五送二......................................................
