B2098代码:
#include <iostream>
#include <unordered_set>
using namespace std;
unordered_set<int> st;
int main()
{
ios::sync_with_stdio(false);
int n;
cin >> n;
for (int i = 1; i <= n; i++)
{
int x;
cin >> x;
st.insert(x);
}
unordered_set<int>::iterator it_end = st.begin();
for (unordered_set<int>::iterator it = st.end(); it != it_end; ++it)
{
cout << *it << ' ';
}
cout << endl;
return 0;
}
vs2022 preview 2.0
,调试类型:.NET Framework
,ISO c++20
。样例没有错,但 devc++
,64-bit realease
,-std=c++14
顺序却反了,20分。