#include <bits/stdc++.h>
using namespace std;
using ll = long long;
signed main() {
cin.tie(0)->sync_with_stdio(0);
int q; cin >> q;
set<int> a, b;
while (q--) {
int r, s;
cin >> r >> s;
if (s ==1) {
a.insert(r);
} else b.insert(r);
auto ca = a, cb = b;
int f1 = 1, f2 = 1;
for (int i : a) {
auto it = cb.lower_bound(i);
if (it == cb.end()) f1 = false;
cb.erase(it);
}
for (int i : b) {
auto it = ca.lower_bound(i);
if (it == ca.end()) f2 = false;
ca.erase(it);
}
if (f1) cout << "<\n";
else if (f2) cout << ">\n";
else cout << "?\n";
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1085 ms |
212 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
