#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define all(x) x.begin(),x.end()
#define pb push_back
#define sz(x) (int)x.size()
const int c=2e5+2;
int mx[4*c];
array<int, 3> mn[4*c];
map<int, int> val[4*c];
const int inf=1e8,minf=-500;
const array<int, 3> nagy{inf,-1};
array<int, 3> combine(array<int, 3> a, array<int, 3> b)
{
array<int, 3> x;
x[0]=min(a[0],b[0]);
if(a[0]<b[0]) x[1]=a[1],x[2]=a[2];
else x[1]=b[1],x[2]=b[2];
return x;
}
void valt(int cs, int pos)
{
mn[cs][1]=pos;
mn[cs][2]=cs;
if(val[cs].empty())
{
mn[cs][0]=inf,mx[cs]=minf;
}
else
{
mn[cs][0]=val[cs].begin()->first;
mx[cs]=val[cs].rbegin()->first;
}
}
void be(int cs, int tl, int tr, int pos, int ert)
{
if(tl==tr)
{
val[cs][ert]++;
valt(cs,pos);
return;
}
int mid=(tl+tr)/2;
if(pos<=mid) be(2*cs,tl,mid,pos,ert);
else be(2*cs+1,mid+1,tr,pos,ert);
mn[cs]=combine(mn[2*cs],mn[2*cs+1]);
mx[cs]=max(mx[2*cs],mx[2*cs+1]);
}
int mxquery(int cs, int tl, int tr, int l, int r)
{
if(l>r) return minf;
if(l==tl && r==tr) return mx[cs];
int mid=(tl+tr)/2;
return max(mxquery(2*cs,tl,mid,l,min(r,mid)),mxquery(2*cs+1,mid+1,tr,max(mid+1,l),r));
}
array<int, 3> mnquery(int cs, int tl, int tr, int l, int r)
{
if(l>r) return nagy;
if(l==tl && r==tr) return mn[cs];
int mid=(tl+tr)/2;
return combine(mnquery(2*cs,tl,mid,l,min(r,mid)),mnquery(2*cs+1,mid+1,tr,max(mid+1,l),r));
}
void ki(int cs, int tl, int tr, int pos)
{
if(tl==tr)
{
int x=val[cs].begin()->first;
val[cs][x]--;
if(val[cs][x]==0) val[cs].erase(x);
valt(cs,pos);
return;
}
int mid=(tl+tr)/2;
if(pos<=mid) ki(2*cs,tl,mid,pos);
else ki(2*cs+1,mid+1,tr,pos);
mx[cs]=max(mx[2*cs],mx[2*cs+1]);
mn[cs]=combine(mn[2*cs],mn[2*cs+1]);
}
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
for(int i=0; i<4*c; i++)
mn[i][0]=inf,mx[i]=minf;
int n; cin>>n;
vector<int> pontok;
vector<array<int, 2>> v(n);
for(auto &[a,b]:v)
{
cin>>a>>b;
pontok.push_back(a);
pontok.push_back(b);
}
sort(all(pontok));
pontok.erase(unique(all(pontok)),pontok.end());
for(auto &[a,b]:v)
{
a=lower_bound(all(pontok),a)-pontok.begin();
b=lower_bound(all(pontok),b)-pontok.begin();
}
int mer=sz(pontok)-1;
int cnt=0;
for(auto &[a,b]:v)
{
if(mxquery(1,0,mer,a+1,mer)>b)
{
cout<<cnt<<"\n";
continue;
}
be(1,0,mer,a,b);
cnt++;
while(1)
{
array<int, 3> x=mnquery(1,0,mer,0,a-1);
if(x[0]>=b) break;
ki(1,0,mer,x[1]);
cnt--;
}
cout<<cnt<<"\n";
}
}
| Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Elfogadva | 39ms | 50484 KiB | ||||
| 2 | Elfogadva | 150ms | 52404 KiB | ||||
| subtask2 | 5/5 | ||||||
| 3 | Elfogadva | 52ms | 50500 KiB | ||||
| 4 | Elfogadva | 41ms | 50456 KiB | ||||
| 5 | Elfogadva | 41ms | 50484 KiB | ||||
| 6 | Elfogadva | 59ms | 50740 KiB | ||||
| subtask3 | 10/10 | ||||||
| 7 | Elfogadva | 52ms | 50284 KiB | ||||
| 8 | Elfogadva | 41ms | 50376 KiB | ||||
| 9 | Elfogadva | 52ms | 50456 KiB | ||||
| 10 | Elfogadva | 41ms | 50488 KiB | ||||
| 11 | Elfogadva | 50ms | 50484 KiB | ||||
| 12 | Elfogadva | 52ms | 50452 KiB | ||||
| 13 | Elfogadva | 43ms | 50484 KiB | ||||
| 14 | Elfogadva | 46ms | 50620 KiB | ||||
| subtask4 | 10/10 | ||||||
| 15 | Elfogadva | 50ms | 50484 KiB | ||||
| 16 | Elfogadva | 52ms | 50336 KiB | ||||
| 17 | Elfogadva | 41ms | 50536 KiB | ||||
| 18 | Elfogadva | 52ms | 50476 KiB | ||||
| 19 | Elfogadva | 57ms | 50740 KiB | ||||
| 20 | Elfogadva | 57ms | 50992 KiB | ||||
| 21 | Elfogadva | 57ms | 51020 KiB | ||||
| 22 | Elfogadva | 175ms | 57188 KiB | ||||
| subtask5 | 25/25 | ||||||
| 23 | Elfogadva | 50ms | 50484 KiB | ||||
| 24 | Elfogadva | 50ms | 50484 KiB | ||||
| 25 | Elfogadva | 43ms | 50484 KiB | ||||
| 26 | Elfogadva | 56ms | 50484 KiB | ||||
| 27 | Elfogadva | 101ms | 51408 KiB | ||||
| 28 | Elfogadva | 136ms | 52144 KiB | ||||
| 29 | Elfogadva | 150ms | 52288 KiB | ||||
| 30 | Elfogadva | 150ms | 52380 KiB | ||||
| subtask6 | 50/50 | ||||||
| 31 | Elfogadva | 39ms | 50324 KiB | ||||
| 32 | Elfogadva | 160ms | 52400 KiB | ||||
| 33 | Elfogadva | 52ms | 50500 KiB | ||||
| 34 | Elfogadva | 41ms | 50456 KiB | ||||
| 35 | Elfogadva | 41ms | 50484 KiB | ||||
| 36 | Elfogadva | 59ms | 50740 KiB | ||||
| 37 | Elfogadva | 52ms | 50284 KiB | ||||
| 38 | Elfogadva | 41ms | 50376 KiB | ||||
| 39 | Elfogadva | 52ms | 50456 KiB | ||||
| 40 | Elfogadva | 41ms | 50488 KiB | ||||
| 41 | Elfogadva | 50ms | 50484 KiB | ||||
| 42 | Elfogadva | 52ms | 50452 KiB | ||||
| 43 | Elfogadva | 43ms | 50484 KiB | ||||
| 44 | Elfogadva | 46ms | 50620 KiB | ||||
| 45 | Elfogadva | 50ms | 50484 KiB | ||||
| 46 | Elfogadva | 52ms | 50336 KiB | ||||
| 47 | Elfogadva | 41ms | 50536 KiB | ||||
| 48 | Elfogadva | 52ms | 50476 KiB | ||||
| 49 | Elfogadva | 57ms | 50740 KiB | ||||
| 50 | Elfogadva | 57ms | 50992 KiB | ||||
| 51 | Elfogadva | 57ms | 51020 KiB | ||||
| 52 | Elfogadva | 175ms | 57188 KiB | ||||
| 53 | Elfogadva | 50ms | 50484 KiB | ||||
| 54 | Elfogadva | 50ms | 50484 KiB | ||||
| 55 | Elfogadva | 43ms | 50484 KiB | ||||
| 56 | Elfogadva | 56ms | 50484 KiB | ||||
| 57 | Elfogadva | 101ms | 51408 KiB | ||||
| 58 | Elfogadva | 136ms | 52144 KiB | ||||
| 59 | Elfogadva | 150ms | 52288 KiB | ||||
| 60 | Elfogadva | 150ms | 52380 KiB | ||||
| 61 | Elfogadva | 52ms | 50484 KiB | ||||
| 62 | Elfogadva | 46ms | 50864 KiB | ||||
| 63 | Elfogadva | 43ms | 50488 KiB | ||||
| 64 | Elfogadva | 96ms | 53756 KiB | ||||
| 65 | Elfogadva | 52ms | 50488 KiB | ||||
| 66 | Elfogadva | 43ms | 50484 KiB | ||||
| 67 | Elfogadva | 52ms | 50484 KiB | ||||
| 68 | Elfogadva | 52ms | 50480 KiB | ||||
| 69 | Elfogadva | 114ms | 52400 KiB | ||||
| 70 | Elfogadva | 324ms | 64264 KiB | ||||