#include <bits/stdc++.h>
using namespace std;
const int nx=1e5+5;
int n, x, t;
set<int> a, b;
bool check(set<int> &x, set<int> &y)
{
if (y.empty()) return 1;
auto itrx=prev(x.end()), itry=prev(y.end());
while (itry!=y.begin())
{
if (*itrx<*itry) return 0;
itrx--, itry--;
}
if (*itrx<*itry) return 0;
return 1;
}
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n;
for (int i=1; i<=n; i++)
{
cin>>x>>t;
if (t==1) a.insert(x);
else b.insert(x);
if (a.size()>=b.size()&&check(a, b)) cout<<">\n";
else if (b.size()>=a.size()&&check(b, a)) cout<<"<\n";
else cout<<"?\n";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
9 ms |
840 KB |
Output is correct |
11 |
Execution timed out |
1097 ms |
2936 KB |
Time limit exceeded |
12 |
Halted |
0 ms |
0 KB |
- |