oj.uz

답안 #101044

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
101044 2019-03-16T06:50:51 Z autumn_eel Amusement Park (JOI17_amusement_park) C++14
68 / 100
 71 ms 6456 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];
vector<int>vs;
bool used[20000];
 
void dfs(int v,int p){
	used[v]=true;
	vs.push_back(v);
	for(int u:E[v]){
		if(used[u])continue;
		dfs(u,v);
		vs.push_back(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,-1);
	set<int>se1,se2;
	mt19937 mt(123456789);
	vector<int>V;
	rep(i,60)V.push_back(i);
	int MP[60]{};
	for(int v:vs){
		if(!se1.count(v)){
			se2.insert(v);
		}
		if(se2.size()==60){
			int cnt=0;
			shuffle(V.begin(),V.end(),mt);
			for(int i:se2){
				MP[V[cnt]]++;
				MessageBoard(i,X>>V[cnt]&1);
				cnt++;
			}
			for(int i:se2){
				se1.insert(i);
			}
			se2.clear();
		}
	}
	shuffle(V.begin(),V.end(),mt);
	int cnt=0;
	for(int i:se2){
		MP[V[cnt]]++;
		MessageBoard(i,X>>V[cnt]&1);
		cnt++;
	}
}

#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>vs;
static int vid[20000];
static bool used[20000];
 
static void dfs(int v,int p){
	used[v]=true;
	vid[v]=vs.size();
	vs.push_back(v);
	for(int u:E[v]){
		if(used[u])continue;
		dfs(u,v);
		vs.push_back(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);
	set<int>se1,se2;
	map<int,int>id;
	mt19937 mt(123456789);
	vector<int>R;
	rep(i,60)R.push_back(i);
	for(int v:vs){
		if(!se1.count(v)){
			se2.insert(v);
		}
		if(se2.size()==60){
			shuffle(R.begin(),R.end(),mt);
			int cnt=0;
			for(int i:se2){
				id[i]=R[cnt];
				cnt++;
			}
			for(int i:se2){
				se1.insert(i);
			}
			se2.clear();
		}
	}
	int cnt=0;
	shuffle(R.begin(),R.end(),mt);
	for(int i:se2){
		id[i]=R[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;
			}
		}
		if(Min>900){
			abort();
		}
		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;
	
}

Compilation message

Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:63:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(r=x;r<vs.size();r++){
          ~^~~~~~~~~~
Ioi.cpp:67:6: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(r==vs.size())r=vs.size()-1;
     ~^~~~~~~~~~~
Ioi.cpp:83:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(r2=x;r2<vs.size();r2++){
           ~~^~~~~~~~~~
Ioi.cpp:87:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(r2==vs.size())r2=vs.size()-1;
     ~~^~~~~~~~~~~
Ioi.cpp:99:8: 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:111:2: note: in expansion of macro 'rep'
  rep(i,vs.size()){
  ^~~
Ioi.cpp:117:7: 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 1928 KB Output is correct
2 Correct 7 ms 1928 KB Output is correct
3 Correct 7 ms 1932 KB Output is correct
4 Correct 6 ms 1812 KB Output is correct
5 Correct 6 ms 1908 KB Output is correct
6 Correct 5 ms 1792 KB Output is correct
7 Correct 8 ms 2016 KB Output is correct
8 Correct 5 ms 1932 KB Output is correct
9 Correct 4 ms 1924 KB Output is correct
10 Correct 6 ms 1792 KB Output is correct
11 Correct 11 ms 2096 KB Output is correct
12 Correct 5 ms 1924 KB Output is correct
13 Correct 6 ms 1804 KB Output is correct
14 Correct 7 ms 1804 KB Output is correct
15 Correct 6 ms 2012 KB Output is correct
16 Correct 7 ms 1932 KB Output is correct
17 Correct 8 ms 1880 KB Output is correct
18 Correct 8 ms 1932 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 62 ms 6212 KB Output is correct
2 Correct 60 ms 6456 KB Output is correct
3 Correct 71 ms 6212 KB Output is correct
4 Correct 42 ms 4928 KB Output is correct
5 Correct 55 ms 5432 KB Output is correct
6 Correct 49 ms 5176 KB Output is correct
7 Correct 60 ms 5176 KB Output is correct
8 Correct 41 ms 5304 KB Output is correct
9 Correct 46 ms 5304 KB Output is correct
10 Correct 46 ms 5104 KB Output is correct
11 Correct 41 ms 5152 KB Output is correct
12 Correct 43 ms 4656 KB Output is correct
13 Correct 41 ms 4528 KB Output is correct
14 Correct 41 ms 4792 KB Output is correct
15 Correct 46 ms 5108 KB Output is correct
16 Correct 39 ms 4920 KB Output is correct
17 Correct 51 ms 4920 KB Output is correct
18 Correct 40 ms 4800 KB Output is correct
19 Correct 55 ms 4956 KB Output is correct
20 Correct 31 ms 5344 KB Output is correct
21 Correct 34 ms 5312 KB Output is correct
22 Correct 53 ms 5120 KB Output is correct
23 Correct 57 ms 5304 KB Output is correct
24 Correct 41 ms 5184 KB Output is correct
25 Correct 56 ms 5284 KB Output is correct
26 Correct 39 ms 5308 KB Output is correct
27 Correct 39 ms 5312 KB Output is correct
28 Correct 45 ms 5372 KB Output is correct
29 Correct 49 ms 4992 KB Output is correct
30 Correct 47 ms 5208 KB Output is correct
31 Correct 5 ms 1664 KB Output is correct
32 Correct 5 ms 2036 KB Output is correct
33 Correct 6 ms 1804 KB Output is correct
34 Correct 6 ms 1928 KB Output is correct
35 Correct 6 ms 1928 KB Output is correct
36 Correct 5 ms 1792 KB Output is correct
37 Correct 6 ms 1696 KB Output is correct
38 Correct 6 ms 1916 KB Output is correct
39 Correct 7 ms 1664 KB Output is correct
40 Correct 6 ms 1796 KB Output is correct
41 Correct 6 ms 1956 KB Output is correct
42 Correct 6 ms 1928 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 1928 KB Output is correct
2 Correct 6 ms 1908 KB Output is correct
3 Correct 7 ms 1664 KB Output is correct
4 Correct 12 ms 2588 KB Output is correct
5 Correct 10 ms 2388 KB Output is correct
6 Correct 11 ms 2468 KB Output is correct
7 Correct 11 ms 2468 KB Output is correct
8 Correct 9 ms 2468 KB Output is correct
9 Correct 31 ms 5832 KB Output is correct
10 Correct 31 ms 5832 KB Output is correct
11 Correct 30 ms 5896 KB Output is correct
12 Correct 7 ms 1916 KB Output is correct
13 Correct 3 ms 1572 KB Output is correct
14 Correct 6 ms 1928 KB Output is correct
15 Correct 5 ms 1920 KB Output is correct

Subtask #4
40.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 6220 KB Output is correct
2 Partially correct 65 ms 6328 KB Partially correct
3 Partially correct 66 ms 6092 KB Partially correct
4 Partially correct 47 ms 4928 KB Partially correct
5 Correct 53 ms 5604 KB Output is correct
6 Partially correct 41 ms 5476 KB Partially correct
7 Correct 46 ms 5312 KB Output is correct
8 Correct 44 ms 5148 KB Output is correct
9 Correct 50 ms 5200 KB Output is correct
10 Correct 37 ms 5064 KB Output is correct
11 Partially correct 48 ms 4928 KB Partially correct
12 Partially correct 40 ms 4520 KB Partially correct
13 Partially correct 36 ms 4604 KB Partially correct
14 Partially correct 53 ms 4792 KB Partially correct
15 Partially correct 42 ms 4920 KB Partially correct
16 Partially correct 43 ms 5008 KB Partially correct
17 Partially correct 41 ms 4852 KB Partially correct
18 Correct 50 ms 4880 KB Output is correct
19 Partially correct 56 ms 4832 KB Partially correct
20 Partially correct 31 ms 5320 KB Partially correct
21 Partially correct 27 ms 5312 KB Partially correct
22 Correct 41 ms 5304 KB Output is correct
23 Correct 41 ms 5320 KB Output is correct
24 Partially correct 54 ms 5176 KB Partially correct
25 Correct 43 ms 5440 KB Output is correct
26 Partially correct 46 ms 5312 KB Partially correct
27 Partially correct 56 ms 5304 KB Partially correct
28 Correct 47 ms 5228 KB Output is correct
29 Correct 38 ms 4828 KB Output is correct
30 Correct 45 ms 5056 KB Output is correct

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 6220 KB Output is correct
2 Correct 52 ms 6340 KB Output is correct
3 Incorrect 54 ms 6344 KB Output isn't correct
4 Halted 0 ms 0 KB -