#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
using namespace std;
const int mod = 998244353;
int main(){
cin.tie(0); cout.tie(0);
ios_base::sync_with_stdio(false);
int n;
cin>>n;
pair<int, int> a[n];
for(int i = 0; i < n; i++){
cin>>a[i].first>>a[i].second;
}
int K = 18, r = 0;
set<pair<int, int> > op;
int lift[K][n+1];
for(int l = 0; l < n; l++){
while(r < n){
bool ok = 1;
if(op.size()){
auto it = op.lower_bound(a[r]);
if(it != op.end() && (*it).first <= a[r].second) ok = 0;
if(it != op.begin()){
it--;
if((*it).second >= a[r].first) ok = 0;
}
}
if(ok){
op.insert(a[r]);
r++;
}
else break;
}
lift[0][l] = r;
op.erase(a[l]);
cout<<l<<" "<<r<<endl;
}
lift[0][n] = n;
for(int i = 1; i < K; i++){
for(int j = 0; j <= n; j++){
lift[i][j] = lift[i-1][lift[i-1][j]];
}
}
int q, ans, lq, rq;
cin>>q;
while(q--){
cin>>lq>>rq;
lq--, rq--;
ans = 1;
for(int i = K-1; i >= 0; i--){
if(lift[i][lq] <= rq){
lq = lift[i][lq];
ans += (1 << i);
}
}
cout<<ans<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
275 ms |
21316 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
860 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
860 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
295 ms |
22292 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
275 ms |
21316 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |