/*
/\ /\
| ).|.( |
| >-< |
=========
It's Adilkhan99 miaaaaaau
*/
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define endl "\n"
#define foreach(it, S) for(__typeof (S.begin()) it = S.begin(); it != S.end(); it++)
#define mp make_pair
#define f first
#define s second
#define name ""
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
const int MaxN = int (2e5) + 256;
const int INF = int(1e9);
const int mod = (int)(1e9) + 7;
int n, a[MaxN], m, t;
set<int> s, S;
bool u[MaxN], U[MaxN];
vector<char> v;
int main () { _
cin >> n;
for(int i = 1; i <= n; ++i){
int x, y; cin >> x >> y;
if(y == 2){
if(!u[x]){
S.insert(-x);
U[x] = 1;
}else{
s.erase(-x);
u[x] = 0;
}
}
else{
if(!U[x]){
s.insert(-x);
u[x] = 1;
}else{
S.erase(-x);
U[x] = 0;
}
}
auto I = s.begin();
auto J = S.begin();
bool ok = 0, ok1 = 0;
while(I != s.end() && J != S.end()){
if(ok && ok1){
break;
}
if(-(*I) > -(*J))
ok = 1;
if(-(*I) < -(*J))
ok1 = 1;
I++;
J++;
}
if(I == s.end() && J != S.end())
ok1 = 1;
if(J == S.end() && I != s.end())
ok = 1;
if(ok && ok1)
v.pb('?');
else if(ok)
v.pb('>');
else v.pb('<');
}
for(int i = 0; i < v.size(); i++)
cout << v[i] << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2892 KB |
Output is correct - 73 tokens |
| 2 |
Correct |
0 ms |
2892 KB |
Output is correct - 89 tokens |
| 3 |
Correct |
0 ms |
3024 KB |
Output is correct - 221 tokens |
| 4 |
Correct |
0 ms |
2892 KB |
Output is correct - 21 tokens |
| 5 |
Correct |
0 ms |
3024 KB |
Output is correct - 369 tokens |
| 6 |
Correct |
0 ms |
3024 KB |
Output is correct - 492 tokens |
| 7 |
Correct |
0 ms |
3024 KB |
Output is correct - 945 tokens |
| 8 |
Correct |
0 ms |
3024 KB |
Output is correct - 1237 tokens |
| 9 |
Correct |
0 ms |
3024 KB |
Output is correct - 1105 tokens |
| 10 |
Runtime error |
23 ms |
3420 KB |
writev (syscall #20) was called by the program (disallowed syscall) |
| 11 |
Execution timed out |
1000 ms |
4644 KB |
Program timed out |
| 12 |
Execution timed out |
1000 ms |
4356 KB |
Program timed out |
| 13 |
Execution timed out |
1000 ms |
4092 KB |
Program timed out |
| 14 |
Execution timed out |
1000 ms |
4092 KB |
Program timed out |
| 15 |
Execution timed out |
1000 ms |
3960 KB |
Program timed out |
| 16 |
Execution timed out |
1000 ms |
3960 KB |
Program timed out |
| 17 |
Execution timed out |
1000 ms |
4092 KB |
Program timed out |
| 18 |
Execution timed out |
1000 ms |
3828 KB |
Program timed out |
| 19 |
Execution timed out |
1000 ms |
3828 KB |
Program timed out |
| 20 |
Execution timed out |
1000 ms |
4092 KB |
Program timed out |
| 21 |
Execution timed out |
1000 ms |
3828 KB |
Program timed out |
| 22 |
Execution timed out |
1000 ms |
3828 KB |
Program timed out |
| 23 |
Execution timed out |
1000 ms |
3960 KB |
Program timed out |
| 24 |
Execution timed out |
1000 ms |
3828 KB |
Program timed out |
| 25 |
Execution timed out |
1000 ms |
3828 KB |
Program timed out |
