uva-10763-交换生

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UVA 10763 Foreign Exchange 出国交换 pair+map

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-…

UVA 10763 Foreign Exchange

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…

UVa 10763 Foreign Exchange(map)

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…

uva 10763 Foreign Exchange(排序比较）

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…

Foreign Exchange（交换生换位置）

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…

UVa 10763 (STL) Foreign Exchange

看到大神说location的值不会超过1000,所以这就简单很多了,用一个deg数组记录下来每个点的度,出度-1,入读+1这样. 最后判断每个点的度是否为0即可. 至于为什么会这样,据说是套数据套出来的,比如在代码里加一句if(a >= 1000) for(;;),get新技能! 如果按正常来做的话,我能想到的就是遍历map了. #include <cstdio> #include <cstring> ; int deg[maxn]; int main() { //freop…

uva 10763 Foreign Exchange <"map" ,vector>

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…