Description Andy, , has a dream - he wants to produce his very own dictionary. This is not an easy task for him, as the number of words that he knows is, well, not quite enough. Instead of thinking up all the words himself, he has a briliant idea. Fr…
Description Andy, , has a dream - he wants to produce his very own dictionary. This is not an easy task for him, as the number of words that he knows is, well, not quite enough. Instead of thinking up all the words himself, he has a briliant idea. Fr…
set就是数学上的集合——每个元素最多只出现一次,和sort一样,自定义类型也可以构造set,但同样必须定义“小于”运算符 以下代码测试set中无重复元素 #include<iostream> #include<iterator> #include<set> using namespace std; typedef long long LL; ]={,,}; int main() { set<LL>s; s.insert(); s.insert(); s.i…