Submission #1029536

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1029536	2024-07-21 03:24:32	12345678	Teleporters (IOI08_teleporters)	C++17	80 / 100	1051 ms	65536 KiB

teleporters

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#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
const int nx=1e6+5;
int n, m, u[nx], v[nx], p[nx], res, vs[nx];
set<pair<int, int>> s;
priority_queue<int> pq;
int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=n; i++) cin>>u[i]>>v[i], s.insert({u[i], i}), s.insert({v[i], i});
    for (int i=1; i<=n; i++)
    {
        if (s.lower_bound(make_pair(v[i]+1, 0))==s.end()) p[i]=-1;
        else
        {
            auto tmp=*s.lower_bound(make_pair(v[i]+1, 0));
            if (tmp.first==u[tmp.second]) p[i]=tmp.second;
            else p[i]=tmp.second+n;
        }
        if (s.lower_bound(make_pair(u[i]+1, 0))==s.end()) p[i+n]=-1;
        else
        {
 
 
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• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
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• Subtask 17: 0 / 5
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• Subtask 20: 0 / 5