Submission #291084

# Submission time Handle Problem Language Result Execution time Memory
291084 2020-09-04T16:21:07 Z TadijaSebez Fun Tour (APIO20_fun) C++11
31 / 100
162 ms 17520 KB
#include "fun.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>

int SUB(int root,int x){return attractionsBehind(root,x);}
int DEP(int root,int x){return hoursRequired(root,x);}

const int N=100050;
int sz[N],type[N],dist[N];
vector<pii> v[3];
vector<int> createFunTour(int n,int q){
	for(int i=0;i<n;i++)sz[i]=SUB(0,i);
	int cen=0;
	for(int i=1;i<n;i++)if(sz[i]*2>=n&&sz[i]<sz[cen])cen=i;
	type[cen]=-1;
	for(int i=0,cnt=0;i<n;i++){
		dist[i]=DEP(cen,i);
		if(dist[i]==1&&cnt<2&&sz[i]<sz[cen]){
			cnt++;
			for(int j=0;j<n;j++)if(!type[j]){
				if(SUB(j,i)*2>n)type[j]=cnt;
			}
		}
	}
	for(int i=0;i<n;i++)if(type[i]==0)type[i]=3;
	for(int i=0;i<n;i++)if(i!=cen)v[type[i]-1].pb({dist[i],i});
	if(v[0].size()<v[1].size())swap(v[0],v[1]);
	if(v[0].size()<v[2].size())swap(v[0],v[2]);
	if(v[1].size()<v[2].size())swap(v[1],v[2]);
	for(int i=0;i<3;i++)sort(v[i].begin(),v[i].end());
	//assert(v[0].size()<=v[1].size()+v[2].size());
	int las=-1;
	vector<int> ans,vals,who;
	while(max({v[0].size(),v[1].size(),v[2].size()})*2<v[0].size()+v[1].size()+v[2].size()){
		int mx=-1,o=-1;
		for(int i=0;i<3;i++)if(i!=las&&v[i].size()){
			if(v[i].back().first>mx)mx=v[i].back().first,o=i;
		}
		assert(o!=-1);
		ans.pb(v[o].back().second);
		v[o].pop_back();
		las=o;
		vals.pb(mx);
		who.pb(o);
	}
	int mx=0;
	for(int i=0;i<3;i++)if(v[i].size()>v[mx].size())mx=i;
	int l=mx==0?1:0,r=mx==2?1:2;
	if(v[mx].size()==v[l].size()+v[r].size()&&v[mx].size()){
		if(who.size()>1){
			if(vals[vals.size()-2]+vals.back()<vals.back()+v[mx].back().first){
				int o=who[who.size()-2];
				ans.pb(v[o].back().second);
				v[o].pop_back();
			}
		}
	}
	if(v[0].size()<v[1].size())swap(v[0],v[1]);
	if(v[0].size()<v[2].size())swap(v[0],v[2]);
	if(v[1].size()<v[2].size())swap(v[1],v[2]);
	//assert(v[0].size()==v[1].size()+v[2].size());
	while(v[0].size()){
		auto P=[&](int o){
			ans.pb(v[o].back().second);
			v[o].pop_back();
		};
		P(0);
		if(v[2].empty()&&v[1].empty())break;
		if(v[2].empty())P(1);
		else if(v[1].empty())P(2);
		else P(v[1].back().first>v[2].back().first?1:2);
	}
	ans.pb(cen);
	return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 360 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 360 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Incorrect 1 ms 384 KB Tour is not fun
30 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 162 ms 17520 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 2 ms 640 KB Output is correct
21 Correct 4 ms 768 KB Output is correct
22 Correct 7 ms 1408 KB Output is correct
23 Correct 14 ms 2432 KB Output is correct
24 Correct 19 ms 3328 KB Output is correct
25 Correct 78 ms 10128 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Incorrect 1 ms 384 KB Tour is not fun
9 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 360 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Incorrect 1 ms 384 KB Tour is not fun
30 Halted 0 ms 0 KB -