python/C++专题课程/STL基础知识/set操作基础/set的使用_3.cpp

#include<bits/stdc++.h>
using namespace std;
int main() {
	set<int> s;
	s.insert(1);
	s.insert(2);
	s.insert(3);
	s.insert(1);
	cout<<"set <20><> 1 <20><><EFBFBD>ֵĴ<D6B5><C4B4><EFBFBD><EFBFBD><EFBFBD> <20><>"<<s.count(1)<<endl;
	cout<<"set <20><> 4 <20><><EFBFBD>ֵĴ<D6B5><C4B4><EFBFBD><EFBFBD><EFBFBD> <20><>"<<s.count(4)<<endl;
	return 0;
}