/*
/\ /\
| ).|.( |
| >-< |
=========
It's AdilkhanKo 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(0);
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;
pair<int, int> t[4 * MaxN];
void push(int v, int l, int r){
if(a[v]){
t[v].first += a[v];
t[v].second += a[v];
if(l != r)
a[v + v] = a[v + v + 1] = a[v];
a[v] = 0;
}
}
void upd(int v, int l, int r, int tl, int tr, int val){
push(v, l, r);
if(tl <= l && r <= tr){
a[v] += val;
push(v, l, r);
return;
}
if(l > tr || r < tl)
return;
int m = (l + r) / 2;
upd(v + v, l, m, tl, tr, val);
upd(v + v + 1, m + 1, r, tl, tr, val);
t[v].first = max(t[v + v].first, t[v + v + 1].first);
t[v].second = min(t[v + v].second, t[v + v + 1].second);
}
int main () { _
/* #ifdef ONLINE_JUDGE
freopen (name".in","r",stdin);
freopen (name".out","w",stdout);
#else
freopen (".in","r",stdin);
freopen (".out","w",stdout);
#endif */
cin >> n;
for(int i = 1; i <= n; i++){
int x, y; cin >> x >> y;
if(y == 1){
upd(1, 1, n, 1, x, 1);
}else{
upd(1, 1, n, 1, x, -1);
}
int mx = t[1].first;
int mn = t[1].second;
cerr << mx << " " << mn << endl;
if(mn >= 0 && mx >= 0){
cout << ">" << endl;
}else if(mx <= 0){
cout << "<" << endl;
}else cout << "?" << endl;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
8752 KB |
Output isn't correct - 10th words differ - expected: '<', found: '?' |
| 2 |
Incorrect |
0 ms |
8752 KB |
Output isn't correct - 4th words differ - expected: '>', found: '?' |
| 3 |
Incorrect |
0 ms |
8752 KB |
Output isn't correct - 3rd words differ - expected: '?', found: '<' |
| 4 |
Incorrect |
0 ms |
8752 KB |
Output isn't correct - 16th words differ - expected: '<', found: '?' |
| 5 |
Incorrect |
0 ms |
8752 KB |
Output isn't correct - 8th words differ - expected: '<', found: '?' |
| 6 |
Incorrect |
0 ms |
8752 KB |
Output isn't correct - wrong output format : File not found: "/var/www/temp/17883/outputEJy1_1" |
| 7 |
Halted |
0 ms |
0 KB |
|
| 8 |
Halted |
0 ms |
0 KB |
|
| 9 |
Halted |
0 ms |
0 KB |
|
| 10 |
Halted |
0 ms |
0 KB |
|
| 11 |
Halted |
0 ms |
0 KB |
|
| 12 |
Halted |
0 ms |
0 KB |
|
| 13 |
Halted |
0 ms |
0 KB |
|
| 14 |
Halted |
0 ms |
0 KB |
|
| 15 |
Halted |
0 ms |
0 KB |
|
| 16 |
Halted |
0 ms |
0 KB |
|
| 17 |
Halted |
0 ms |
0 KB |
|
| 18 |
Halted |
0 ms |
0 KB |
|
| 19 |
Halted |
0 ms |
0 KB |
|
| 20 |
Halted |
0 ms |
0 KB |
|
| 21 |
Halted |
0 ms |
0 KB |
|
| 22 |
Halted |
0 ms |
0 KB |
|
| 23 |
Halted |
0 ms |
0 KB |
|
| 24 |
Halted |
0 ms |
0 KB |
|
| 25 |
Halted |
0 ms |
0 KB |
|
