今天第一场个人训练赛的题目有点恐怖啊,我看了半个小时多硬是一道都不会写.我干脆就直接补题去了.... 先补的都是简单题,难题等我这周末慢慢来吧... A Calandar Time Limit: 1 Second Memory Limit: 65536 KB http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=4113 题目意思很明确:给出一个日期和对应的星期几,求出另一个所给的日期是星期几. 题目已经简化了,12个…
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=4124 L Median Time Limit: 1 Second Memory Limit: 65536 KB 题意:一个序列有n个数,数值未知,给出m对大小关系,求对于每个数是否可以生成一个序列满足这个这个数为中位数,可以该位置输出1,反之输出0. 思路:考虑二元关系,可以建立有向图,考虑到数据范围很小,可以用floyed传递闭包,对于那些没有确定关系的数,他…
Alice and Bob are playing a stone game. There are n piles of stones. In each turn, a player can remove some stones from a pile (the number must be positive and not greater than the number of remaining stones in the pile). One player wins if he or she…
题目描述:There are n cities in Byteland, and the ith city has a value ai. The cost of building a bidirectional road between two cities is the sum of their values. Please calculate the minimum cost of connecting these cities, which means any two cities c…