里弗杰克

Problem(A70):Locked Boxes Judge Info MemoryLimit: 32768KB Case TimeLimit: 10000MS Time Limit:10000MS Judger:Number Only Judger Description Poseidonhas N boxes with lock. What's inside the box?

A group of n schoolboys decided to ride bikes. As nobody ofthem has a bike, the boys need to rent them. The renting site offered them m bikes. The renting price is different for different bikes,

Iahub recently has learned Bubble Sort, an algorithm that is used tosort a permutation with n elements a1, a2, ..., an in ascending order. He is bored of this so simple algorithm, so heinvents his