Submission #1038267

#	Time	Username	Problem	Language	Result	Execution time	Memory
1038267		Unforgettablepl	Tower (JOI24_tower)	C++17	25 / 100	276 ms	36444 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long

const int INF = 1e18+1;

int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n,q,d,A,B;
	cin >> n >> q >> d >> A >> B;
	vector<pair<int,int>> ranges;
	for(int i=1;i<=n;i++){
		int l,r;cin>>l>>r;
		ranges.emplace_back(l,r);
	}
	ranges.emplace_back(1e12+1,1e12+1);
	set<pair<int,int>> accessible;
	set<pair<int,int>> tempaccessible;
	auto get_latest = [&](int x){
		auto iter = tempaccessible.upper_bound({x,INF});
		if(iter==tempaccessible.begin()) return iter->first;
		else {
			iter--;
			if(x<=iter->second)return x;
			else {
				iter++;
				if(iter==tempaccessible.end())return INF;
				else return iter->first;
			}
		}
	};
	accessible.insert({0,ranges[0].first-1});
	tempaccessible.insert({d,ranges[0].first-1+d});
	for(int i=0;i<n;i++){
		int last = get_latest(ranges[i].second+1);
		if(last>=ranges[i+1].first)continue;
		accessible.insert({last,ranges[i+1].first-1});
		tempaccessible.insert({last+d,ranges[i+1].first-1+d});
	}
	for(int i=1;i<=q;i++){
		int x;cin>>x;
		auto iter = accessible.upper_bound({x,INF});
		if(iter==accessible.begin()) cout << "-1\n";
		else {
			iter--;
			if(x<=iter->second)cout<<x<<'\n';
			else cout<<"-1\n";
		}
	}
} 

• Subtask 1: 0 / 5
• Subtask 2: 0 / 38
• Subtask 3: 25 / 25
• Subtask 4: 0 / 32