本来想用优先队列做,可是不知道怎么处理之间的关系,最后还是用了map方法AC了,不过速度上有些慢,提交的时候跑了1.557秒.估计这道题时间都稍微长些,题目的时间限制也是4.5秒,不像一般题目的3秒限制. AC代码: #include <iostream> #include <cstdio> #include <cstdlib> #include <cctype> #include <cstring> #include <string>…

[链接] 我是链接,点我呀:) [题意] 在这里输入题意 [题解] 各组数据之间有空行! 且最后一行后面没有空行! 然后就是用set来模拟就好. 删除的时候,不着急删除. 因为并不用时刻输出集合大小.所以只要遇到了把它删掉就Ok. 把相同的合并那里.我直接暴力合并了. 因为 150 30 100 30 不能看出一个整体的250 30的.. 要分步输出Trade信息的. 然后在合并的时候也要注意看里面有没有已经删除了的. 已经删除了的就直接跳过.. [代码] #include <bits/stdc…

Foreign Exchange Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Your non-profit organization (iCORE - international Confederation of Revolver Enthusiasts) coordinates a very successful foreign student exchange program. Over th…

题意:给出很多对数字,看看每一对(a,b)能不能找到对应的(b,a). 放在贪心这其实有点像检索. 用stl做,map+pair. 记录每一对出现的次数,然后遍历看看对应的那一对出现的次数有没有和自己出现的此时一样即可. 代码: /* * Author: illuz <iilluzen@gmail.com> * Blog: http://blog.csdn.net/hcbbt * File: uva10763.cpp * Lauguage: C/C++ * Create Date: 2013-…

  Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu   Description Your non-profit organization (iCORE - international Confederation of Revolver Enthusiasts) coordinates a very successful foreign student exchange program. Over the…

Foreign Exchange Your non-profit organization (iCORE - international Confederation of Revolver Enthusiasts) coordinates a very successful foreign student exchange program. Over the last few years, demand has sky-rocketed and now you need assistance w…

题目连接:10763 Foreign Exchange 题目大意:给出交换学生的原先国家和所去的国家,交换成功的条件是如果A国给B国一个学生,对应的B国也必须给A国一个学生,否则就是交换失败. 解题思路: 给出数据  10 x  y 1 2 2 1 3 4 4 3 100 200 200 100 57 2 2 57 1 2 2 1 按照排序: xy y x 12 1 2 12 1 2 21 2 1 21 2 1 257 2 57   34 3 4  43 4 3 572 57 2 100 200…

Your non-profitorganization (iCORE - international Confederationof Revolver Enthusiasts) coordinates a very successfulforeign student exchange program. Over the last few years, demand hassky-rocketed and now you need assistance with your task. The pr…

题目:10763 - Foreign Exchange 题目大意:给出每一个同学想要的交换坐标 a, b 代表这位同学在位置a希望能和b位置的同学交换.要求每一位同学都能找到和他交换的交换生. 解题思路:把给定的原先给定的序列,交换前后位置后得到新的序列. 假设这个新的序列和原来的序列同样就符合要求.由于  (a.b) (b. a)若是成对出现.那么前后交换后还是(b. a)(a.b). 代码: #include <stdio.h> #include <string.h> #inc…

  Your non-profit organization (iCORE - international Confederation of Revolver Enthusiasts) coordinates a very successful foreign student exchange program. Over the last few years, demand has sky-rocketed and now you need assistance with your task.…