Submission #1073357

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073357		Abito	A Light Inconvenience (CEOI23_light)	C++17	100 / 100	973 ms	852 KiB

light

#include "light.h"
#include <bits/stdc++.h>
#define pb push_back
#define int long long
#define ep insert
using namespace std;
set<int> s;
int n;
void prepare(){
	n=1;
	s.ep(1);
}
 
std::pair<long long, std::vector<long long>> join(long long x){
	n+=x;
	set<int> z;
	for (auto u:s) z.ep(u+x);
	//for (auto u:z) cout<<u<<' ';cout<<endl;
	s.clear();
	s.ep(1);s.ep(n);
	for (int i=1;i<n;){
		int j=n+1;
		auto it=z.upper_bound(2*i);
		if (it!=z.begin()){
			--it;
			if (*it<=2*i) j=*it;
		}
		it=z.upper_bound(2*i);
		if (it!=z.end() && *it<=2*i+x) j=2*i;
		if (j!=n+1)s.ep(j);
		//cout<<i<<' '<<j<<endl;
		i=j;
	}
	vector<int> v;
	for (auto u:s) v.pb(n-u+1);
	sort(v.begin(),v.end());
	return {x,v};
}
 
std::pair<long long, std::vector<long long>> leave(long long x){
	n-=x;
	set<int> z;
	for (auto u:s) if (u-x>0) z.ep(u-x);
	//for (auto u:z) cout<<u<<' ';cout<<endl;
	s.clear();
	s.ep(1);s.ep(n);
	for (int i=1;i<n;){
		int j=n+1;
		auto it=z.upper_bound(2*i);
		if (it!=z.begin()){
			--it;
			if (*it<=2*i) j=*it;
		}
		it=z.upper_bound(2*i);
		if (it!=z.end() && *it<=2*i+x) j=2*i;
		if (j!=n+1)s.ep(j);
		//cout<<i<<' '<<j<<endl;
		i=j;
	}
	vector<int> v;
	for (auto u:s) v.pb(n-u+1);
	sort(v.begin(),v.end());
	return {x,v};
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 5 / 5
• Subtask 7: 60 / 60