oj.uz

답안 #101005

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
101005 2019-03-16T03:20:27 Z autumn_eel Amusement Park (JOI17_amusement_park) C++14
77 / 100
 66 ms 6060 KB 
#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

#include "Joi.h"

vector<int>E[20000];
bool used[20000];
int dep[20000];
int height[20000];
vector<int>vs;

int dfs(int v,int d){
	used[v]=true;
	dep[v]=d;
	vs.push_back(v);
	for(int u:E[v]){
		if(used[u])continue;
		height[v]=max(height[v],dfs(u,d+1)+1);
		vs.push_back(v);
	}
	return height[v];
}

void Joi(int N, int M, int A[], int B[], long long X, int T) {
	rep(i,M){
		E[A[i]].push_back(B[i]);
		E[B[i]].push_back(A[i]);
	}
	dfs(0,0);
	if(height[0]<60){
		set<int>se1,se2;
		for(int v:vs){
			if(!se1.count(v)){
				se2.insert(v);
			}
			if(se2.size()==60){
				int cnt=0;
				for(int i:se2){
					MessageBoard(i,X>>cnt&1);
					cnt++;
				}
				for(int i:se2){
					se1.insert(i);
				}
				se2.clear();
			}
		}
		int cnt=0;
		for(int i:se2){
			MessageBoard(i,X>>cnt&1);
			cnt++;
		}
		return;
	}
	rep(i,N){
		dep[i]%=60;
		MessageBoard(i,X>>dep[i]&1);
	}
}

#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

#include "Ioi.h"

static vector<int>E[20000];
static vector<int>G[20000];
static bool used[20000];
static int dep[20000];
static int height[20000];
static int par[20000];
static vector<int>vs;
static int vid[20000];

static int dfs(int v,int p,int d){
	used[v]=true;
	vid[v]=vs.size();
	vs.push_back(v);
	par[v]=p;
	dep[v]=d;
	for(int u:E[v]){
		if(used[u])continue;
		G[v].push_back(u);
		height[v]=max(height[v],dfs(u,v,d+1)+1);
		vs.push_back(v);
	}
	return height[v];
}

long long Ioi(int N, int M, int A[], int B[], int Pos, int V, int T) {
	rep(i,M){
		E[A[i]].push_back(B[i]);
		E[B[i]].push_back(A[i]);
	}
	dfs(0,-1,0);
	if(height[0]<60){
		set<int>se1,se2;
		map<int,int>id;
		for(int v:vs){
			if(!se1.count(v)){
				se2.insert(v);
			}
			if(se2.size()==60){
				int cnt=0;
				for(int i:se2){
					id[i]=cnt;
					cnt++;
				}
				for(int i:se2){
					se1.insert(i);
				}
				se2.clear();
			}
		}
		int cnt=0;
		for(int i:se2){
			id[i]=cnt;
			cnt++;
		}
		int x=vid[Pos];
		
		set<int>se;
		int r;
		for(r=x;r<vs.size();r++){
			se.insert(id[vs[r]]);
			if(se.size()==60)break;
		}
		if(r==vs.size())r=vs.size()-1;
		int l;
		for(l=x;l>=0;l--){
			se.insert(id[vs[l]]);
			if(se.size()==60)break;
		}
		if(l==-1)l=0;
		
		set<int>Se;
		int l2;
		for(l2=x;l2>=0;l2--){
			Se.insert(id[vs[l2]]);
			if(Se.size()==60)break;
		}
		if(l2==-1)l2=0;
		int r2;
		for(r2=x;r2<vs.size();r2++){
			Se.insert(id[vs[r2]]);
			if(Se.size()==60)break;
		}
		if(r2==vs.size())r2=vs.size()-1;
		if(r2-l2+min(r2-x,x-l2)<r-l+min(r-x,x-l)){
			swap(l,l2);
			swap(r,r2);
		}
		
		set<int>SE;
		int l3=x,r3=x;
		while(1){
			if(l3>0){
				SE.insert(id[vs[--l3]]);
			}
			if(r3<vs.size()-1){
				SE.insert(id[vs[++r3]]);
			}
			if(SE.size()==60)break;
		}
		
		if(r3-l3+min(r3-x,x-l3)<r-l+min(r-x,x-l)){
			swap(l,l3);
			swap(r,r3);
		}
		
		map<int,vector<int>>MP;
		rep(i,vs.size()){
			MP[id[vs[i]]].push_back(i);
		}
		int l4=x,r4=x;
		rep(i,60){
			int Min=INT_MAX;
			int t=-1;
			auto it=lower_bound(MP[i].begin(),MP[i].end(),x);
			if(it!=MP[i].end()){
				Min=*it-x;
				t=*it;
			}
			if(it!=MP[i].begin()){
				it--;
				if(Min>x-*it){
					Min=x-*it;
					t=*it;
				}
			}
			assert(Min<=900);
			l4=min(l4,*it);
			r4=max(r4,*it);
		}
		if(r4-l4+min(r4-x,x-l4)<r-l+min(r-x,x-l)){
			swap(l,l4);
			swap(r,r4);
		}
		
		ll ans=0;
		ans|=ll(V)<<id[Pos];
		if(abs(x-l)<abs(x-r)){
			//left
			for(int i=x-1;i>=l;i--){
				ans|=ll(Move(vs[i]))<<id[vs[i]];
			}
			for(int i=l+1;i<=r;i++){
				ans|=ll(Move(vs[i]))<<id[vs[i]];
			}
		}
		else{
			//right
			for(int i=x+1;i<=r;i++){
				ans|=ll(Move(vs[i]))<<id[vs[i]];
			}
			for(int i=r-1;i>=l;i--){
				ans|=ll(Move(vs[i]))<<id[vs[i]];
			}
		}
		return ans;
	}
	
	rep(i,N){
		dep[i]%=60;
	}
	
	int pos=Pos;
	
	set<int>se{dep[pos]};
	ll ans=ll(V)<<dep[pos];
	
	while(1){
		if(se.size()==60||pos==0){
			break;
		}
		pos=par[pos];
		ans|=ll(Move(pos))<<dep[pos];
		se.insert(dep[pos]);
	}
	while(1){
		if(se.size()==60)break;
		for(int u:G[pos]){
			if(height[u]+1==height[pos]){
				pos=u;
				ans|=ll(Move(pos))<<dep[pos];
				se.insert(dep[pos]);
				break;
			}
		}
	}
	return ans;
}

Compilation message

Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:67:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(r=x;r<vs.size();r++){
           ~^~~~~~~~~~
Ioi.cpp:71:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(r==vs.size())r=vs.size()-1;
      ~^~~~~~~~~~~
Ioi.cpp:87:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(r2=x;r2<vs.size();r2++){
            ~~^~~~~~~~~~
Ioi.cpp:91:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(r2==vs.size())r2=vs.size()-1;
      ~~^~~~~~~~~~~
Ioi.cpp:103:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(r3<vs.size()-1){
       ~~^~~~~~~~~~~~
Ioi.cpp:2:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n)for(int i=0;i<(n);i++)
                              ^
Ioi.cpp:115:3: note: in expansion of macro 'rep'
   rep(i,vs.size()){
   ^~~
Ioi.cpp:121:8: warning: variable 't' set but not used [-Wunused-but-set-variable]
    int t=-1;
        ^

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2416 KB Output is correct
2 Correct 7 ms 2312 KB Output is correct
3 Correct 7 ms 2436 KB Output is correct
4 Correct 7 ms 2416 KB Output is correct
5 Correct 7 ms 2356 KB Output is correct
6 Correct 8 ms 2312 KB Output is correct
7 Correct 8 ms 2344 KB Output is correct
8 Correct 7 ms 2288 KB Output is correct
9 Correct 7 ms 2436 KB Output is correct
10 Correct 6 ms 2176 KB Output is correct
11 Correct 10 ms 2692 KB Output is correct
12 Correct 5 ms 2212 KB Output is correct
13 Correct 8 ms 2516 KB Output is correct
14 Correct 8 ms 2388 KB Output is correct
15 Correct 3 ms 2316 KB Output is correct
16 Correct 8 ms 2392 KB Output is correct
17 Correct 7 ms 2516 KB Output is correct
18 Correct 8 ms 2444 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 5980 KB Output is correct
2 Correct 41 ms 5792 KB Output is correct
3 Correct 41 ms 5868 KB Output is correct
4 Correct 45 ms 5820 KB Output is correct
5 Correct 26 ms 5172 KB Output is correct
6 Correct 25 ms 4648 KB Output is correct
7 Correct 29 ms 4800 KB Output is correct
8 Correct 24 ms 4928 KB Output is correct
9 Correct 29 ms 4796 KB Output is correct
10 Correct 40 ms 5824 KB Output is correct
11 Correct 40 ms 5840 KB Output is correct
12 Correct 45 ms 5552 KB Output is correct
13 Correct 41 ms 5460 KB Output is correct
14 Correct 49 ms 5696 KB Output is correct
15 Correct 41 ms 5932 KB Output is correct
16 Correct 44 ms 5940 KB Output is correct
17 Correct 48 ms 5820 KB Output is correct
18 Correct 44 ms 5868 KB Output is correct
19 Correct 50 ms 5688 KB Output is correct
20 Correct 20 ms 4928 KB Output is correct
21 Correct 18 ms 4988 KB Output is correct
22 Correct 25 ms 4680 KB Output is correct
23 Correct 27 ms 4936 KB Output is correct
24 Correct 24 ms 4728 KB Output is correct
25 Correct 32 ms 5048 KB Output is correct
26 Correct 22 ms 4808 KB Output is correct
27 Correct 22 ms 4800 KB Output is correct
28 Correct 22 ms 4928 KB Output is correct
29 Correct 26 ms 4592 KB Output is correct
30 Correct 20 ms 4688 KB Output is correct
31 Correct 6 ms 2176 KB Output is correct
32 Correct 8 ms 2304 KB Output is correct
33 Correct 6 ms 2388 KB Output is correct
34 Correct 6 ms 2312 KB Output is correct
35 Correct 7 ms 2176 KB Output is correct
36 Correct 7 ms 2048 KB Output is correct
37 Correct 5 ms 2296 KB Output is correct
38 Correct 8 ms 2220 KB Output is correct
39 Correct 8 ms 2312 KB Output is correct
40 Correct 8 ms 2420 KB Output is correct
41 Correct 6 ms 2176 KB Output is correct
42 Correct 6 ms 2312 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2308 KB Output is correct
2 Correct 7 ms 2312 KB Output is correct
3 Correct 5 ms 2188 KB Output is correct
4 Correct 8 ms 2724 KB Output is correct
5 Correct 10 ms 2736 KB Output is correct
6 Correct 10 ms 2736 KB Output is correct
7 Correct 10 ms 2620 KB Output is correct
8 Correct 6 ms 2868 KB Output is correct
9 Correct 22 ms 5636 KB Output is correct
10 Correct 25 ms 5576 KB Output is correct
11 Correct 23 ms 5568 KB Output is correct
12 Correct 6 ms 2356 KB Output is correct
13 Correct 7 ms 2312 KB Output is correct
14 Correct 5 ms 2176 KB Output is correct
15 Correct 7 ms 2316 KB Output is correct

Subtask #4
49.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 5816 KB Output is correct
2 Correct 32 ms 5892 KB Output is correct
3 Correct 41 ms 5844 KB Output is correct
4 Partially correct 47 ms 5696 KB Partially correct
5 Correct 23 ms 5184 KB Output is correct
6 Correct 22 ms 4808 KB Output is correct
7 Correct 26 ms 4936 KB Output is correct
8 Correct 24 ms 4680 KB Output is correct
9 Correct 26 ms 4848 KB Output is correct
10 Correct 39 ms 5820 KB Output is correct
11 Partially correct 45 ms 5696 KB Partially correct
12 Partially correct 45 ms 5552 KB Partially correct
13 Partially correct 46 ms 5424 KB Partially correct
14 Partially correct 43 ms 5432 KB Partially correct
15 Partially correct 48 ms 6060 KB Partially correct
16 Partially correct 44 ms 5952 KB Partially correct
17 Partially correct 53 ms 5824 KB Partially correct
18 Correct 54 ms 5832 KB Output is correct
19 Partially correct 66 ms 5824 KB Partially correct
20 Correct 19 ms 4928 KB Output is correct
21 Correct 19 ms 5124 KB Output is correct
22 Correct 22 ms 4852 KB Output is correct
23 Correct 20 ms 4844 KB Output is correct
24 Correct 26 ms 4872 KB Output is correct
25 Correct 25 ms 5016 KB Output is correct
26 Correct 28 ms 5008 KB Output is correct
27 Correct 26 ms 5008 KB Output is correct
28 Correct 23 ms 4856 KB Output is correct
29 Correct 31 ms 4592 KB Output is correct
30 Correct 28 ms 4860 KB Output is correct

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 5800 KB Output is correct
2 Correct 47 ms 6032 KB Output is correct
3 Correct 44 ms 5824 KB Output is correct
4 Incorrect 46 ms 6032 KB Output isn't correct
5 Halted 0 ms 0 KB -