my_acm

A Knight's Journey Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 30099   Accepted: 10320 Description Background  The knight is getting bored of seeing the

Children of the Candy Corn Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9108   Accepted: 3958 Description The cornfield maze is a popular Halloween treat.

Sudoku Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 13665   Accepted: 6767   Special Judge Description Sudoku is a very simple task. A square table with

Sticks Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 120261   Accepted: 27833 Description George took sticks of the same length and cut them randomly until

ROADS Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10844   Accepted: 3994 Description N cities named with numbers 1 ... N are connected with one-way roads

Changing Digits Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 2960   Accepted: 952 Description Given two positive integers n and k, you are asked to genera

问题描述 很久以前，T王国空前繁荣。为了更好地管理国家，王国修建了大量的快速路，用于连接首都和王国内的各大城市。 为节省经费，T国的大臣们经过思考，制定了一套优秀的修建方案，使得任何一个大城市都能从首都直接或者通过其他大城市间接到达。同时，如果不重复经过大城市，从首都到达每个大城市的方案都是唯一的。 J是T国重要大臣，他巡查于各大城市之间，体察民情。所以，从一个城市马不停蹄地