题目链接:http://poj.org/problem?id=1745 Divisibility Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 13431 Accepted: 4774 Description Consider an arbitrary sequence of integers. One can place + or - operators between integers in the sequen…
原题 $On Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat different from ours. The game is played on an ice game board on which a square mesh is marked. They use only a single stone. The purpose…