/*
/\ /\
| ).|.( |
| >-< |
=========
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];
int main () {
scanf("%d", &n);
for(int i = 1; i <= n; ++i){
int x, y; scanf("%d%d", &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;
if(s.size() > S.size())
ok = 1;
if(S.size() > s.size())
ok1 = 1;
while(I != s.end() && J != S.end()){
if(ok && ok1){
break;
}
if(-(*I) > -(*J))
ok = 1;
if(-(*I) < -(*J))
ok1 = 1;
I++;
J++;
}
if(ok && ok1)
puts("?");
else if(ok)
puts(">");
else puts("<");
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
2900 KB |
Output is correct - 73 tokens |
2 |
Correct |
0 ms |
2900 KB |
Output is correct - 89 tokens |
3 |
Correct |
0 ms |
2900 KB |
Output is correct - 221 tokens |
4 |
Correct |
0 ms |
2900 KB |
Output is correct - 21 tokens |
5 |
Correct |
0 ms |
2900 KB |
Output is correct - 369 tokens |
6 |
Correct |
0 ms |
2900 KB |
Output is correct - 492 tokens |
7 |
Correct |
0 ms |
2900 KB |
Output is correct - 945 tokens |
8 |
Correct |
0 ms |
2900 KB |
Output is correct - 1237 tokens |
9 |
Correct |
0 ms |
2900 KB |
Output is correct - 1105 tokens |
10 |
Correct |
22 ms |
3296 KB |
Output is correct - 8921 tokens |
11 |
Execution timed out |
1000 ms |
4484 KB |
Program timed out |
12 |
Execution timed out |
1000 ms |
4220 KB |
Program timed out |
13 |
Execution timed out |
1000 ms |
3956 KB |
Program timed out |
14 |
Execution timed out |
1000 ms |
3956 KB |
Program timed out |
15 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
16 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
17 |
Execution timed out |
1000 ms |
4088 KB |
Program timed out |
18 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
19 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
20 |
Execution timed out |
1000 ms |
3956 KB |
Program timed out |
21 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
22 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
23 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
24 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |
25 |
Execution timed out |
1000 ms |
3824 KB |
Program timed out |