# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
268608 | stefantaga | Queue (CEOI06_queue) | C++14 | 1098 ms | 1732 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
map <int,int> m;
map <int,pair<int,int> > m1;
int nr,i,n,q;
struct wow
{
int x,y;
}v[50005];
struct query
{
int poz;char tip;
}query[50005];
int q1;
pair <int,int> valori[50005];
int pozitie (int x)
{
int sol=0,i;
if (m1.find(x)!=m1.end())
{
for (i=m1[x].second+1;i<=q1;i++)
{
if (valori[i].first<=valori[i].second)
{
if (valori[i].first<=m1[x].first+sol&&m1[x].first+sol<=valori[i].second)
{
sol++;
}
}
else
{
if (valori[i].first>=m1[x].first+sol&&m1[x].first+sol>=valori[i].second)
{
sol--;
}
}
}
m1[x].first+=sol;
return m1[x].first;
}
for (i=1;i<=q1;i++)
{
if (valori[i].first<=valori[i].second)
{
if (valori[i].first<=x+sol&&x+sol<=valori[i].second)
{
sol++;
}
}
else
{
if (valori[i].first>=x+sol&&x+sol>=valori[i].second)
{
sol--;
}
}
}
return x+sol;
}
int pozitie1,pozitie2;
int main()
{
ios_base :: sync_with_stdio(false);
cin.tie(0);
#ifdef HOME
ifstream cin("queue.in");
ofstream cout("queue.out");
#endif // HOME
cin>>n;
for (i=1;i<=n;i++)
{
cin>>v[i].x>>v[i].y;
pozitie1=pozitie(v[i].y);
pozitie2=pozitie(v[i].x);
if (pozitie1<=pozitie2)
{
valori[++q1]={pozitie1,pozitie2-1};
m1[v[i].x]={pozitie1,i};
}
else
{
valori[++q1]={pozitie1-1,pozitie2};
m1[v[i].x]={pozitie1-1,i};
}
}
cin>>q;
for (i=1;i<=q;i++)
{
cin>>query[i].tip>>query[i].poz;
if (query[i].tip=='P')
{
cout<<pozitie(query[i].poz)<<'\n';
}
else
{
cout<<"-1"<<'\n';
}
}
return 0;
}
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---|---|---|---|---|
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