oj.uz

Submission #928672

# Submission time Handle Problem Language Result Execution time Memory
928672 2024-02-17T01:28:26 Z MilosMilutinovic Stray Cat (JOI20_stray) C++14
20 / 100
 49 ms 16320 KB 
#include "Anthony.h"
#include<bits/stdc++.h>
 
using namespace std;
 
namespace {
const int seq[]={1,0,1,1,0,0};
int n,tot;
int v[40005],nxt[40005],h[20005],d[20005],q[20005],idx[20005];
vector<int> ret;
 
void addedge(int x,int y){
	v[++tot]=y; nxt[tot]=h[x]; h[x]=tot;
	v[++tot]=x; nxt[tot]=h[y]; h[y]=tot;
}
 
void bfs(){
	for(int i=0;i<n;i++) d[i]=-1;
	int front=0,rear=0;
	q[rear++]=0; d[0]=0;
	while(front<rear){
		int x=q[front];
		for(int p=h[x];p;p=nxt[p]){
			if(d[v[p]]==-1){
				d[v[p]]=d[x]+1;
				q[rear++]=v[p];
			}
		}
		++front;
	}
}

void dfs(int x,int fa,int lst,int i){
	int ch=0;
	for(int p=h[x];p;p=nxt[p]) if(v[p]!=fa) ch++;
	if(ch==0) return;
	if(ch==1){
		for(int p=h[x];p;p=nxt[p]){
			if(v[p]==fa) continue;
			ret[idx[v[p]]]=(lst^seq[i]);
			dfs(v[p],x,lst,(i+1)%6);
		}
	}else{
		for(int p=h[x];p;p=nxt[p]){
			if(v[p]==fa) continue;
			ret[idx[v[p]]]=(x==0?0:ret[idx[x]])^1;
			dfs(v[p],x,x==0?0:ret[idx[x]],1);
		}
	}
}
}
 
vector<int> Mark(int n,int m,int a,int b,vector<int> u,vector<int> v){
	::n=n;
	tot=0;
	for(int i=0;i<n;i++) h[i]=0;
	for(int i=0;i<m;i++) addedge(u[i],v[i]);
	if(a>=3){
		bfs();
		vector<int> col(m);
		for(int i=0;i<m;i++) col[i]=min(d[u[i]],d[v[i]])%3;
		return col;
	}else{
		bfs();
		for(int i=0;i<m;i++){
			if(d[u[i]]>d[v[i]]) swap(u[i],v[i]);
			idx[v[i]]=i;
		}
		ret.resize(m);
		dfs(0,0,0,0);
		return ret;
	}
	return vector<int>(m,0);
}
#include "Catherine.h"
#include<bits/stdc++.h>

#define pb push_back
 
using namespace std;
 
namespace {
 
const int seq[]={1,0,1,1,0,0};
int a,b;
bool up;
vector<int> edg,pth;

bool Down(){
	for(int i=0;i<6;i++){
		int cnt=0;
		for(int j=0;j<(int)pth.size();j++){
			cnt+=(seq[(i+j)%6]==pth[j]);
		}
		if(cnt==0||cnt==(int)pth.size()) return true;
	}
	return false;
}
}  // namespace
 
void Init(int A,int B){
	a=A; b=B;
	up=false;
	edg.clear();
	pth.clear();
}
 
int Move(vector<int> y){
	if(a>=3){
		int cnt=0;
		for(int i=0;i<a;i++) cnt+=(y[i]>0?1:0);
		if(cnt==1){
			for(int i=0;i<a;i++) if(y[i]>0) return i;
		}
		for(int i=0;i<a;i++){
			if(y[i]>0&&y[(i+1)%3]>0) return i;
		}
	}
	if(up){
		if(y[0]==0&&y[1]==0){
			edg.pb(edg.back());
			return -1;
		}
		if(y[0]==0){
			assert(y[1]>0);
			edg.pb(1);
			return 1;
		}
		if(y[1]==0){
			assert(y[0]>0);
			edg.pb(0);
			return 0;
		}
		int t=edg.back();
		edg.pb(t^1);
		return t^1;
	}
	if(y[0]+y[1]+(!edg.empty()?1:0)==1){
		up=true;
		if(!edg.empty()) y[edg.back()]++;
		for(int i=0;i<2;i++){
			if(y[i]==1){
				int v;
				if(!edg.empty()&&edg.back()==i) v=-1;
				else v=i;
				edg.pb(i);
				return v;
			}
		}
		assert(false);
	}
	if(y[0]+y[1]+(!edg.empty()?1:0)>2){
		up=true;
		if(!edg.empty()) y[edg.back()]++;
		for(int i=0;i<2;i++){
			if(y[i]==1){
				int v;
				if(!edg.empty()&&edg.back()==i) v=-1;
				else v=i;
				edg.pb(i);
				return v;
			}
		}
		assert(false);
	}
	if((int)edg.size()<3){
		if(y[0]==0){
			edg.pb(1);
			pth.pb(1);
			if(y[1]==2) pth.pb(1);
			return 1;
		}
		if(y[1]!=0) pth.pb(1);
		else if(y[0]==2) pth.pb(0);
		edg.pb(0);
		pth.pb(0);
		return 0;
	}
	assert(y[0]+y[1]==1);
	if(y[0]==1) pth.pb(0);
	else assert(y[1]>0),pth.pb(1);
	if(!Down()){
		up=true;
		edg.pb(edg.back());
		return -1;
	}else{
		up=true;
		if(y[0]==1){
			edg.pb(0);
			return 0;
		}else{
			assert(y[1]>0);
			edg.pb(1);
			return 1;
		}
	}
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14972 KB Output is correct
2 Correct 0 ms 784 KB Output is correct
3 Correct 24 ms 14012 KB Output is correct
4 Correct 33 ms 16044 KB Output is correct
5 Correct 49 ms 16320 KB Output is correct
6 Correct 28 ms 14720 KB Output is correct
7 Correct 27 ms 14716 KB Output is correct
8 Correct 32 ms 15724 KB Output is correct
9 Correct 31 ms 15468 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14972 KB Output is correct
2 Correct 0 ms 784 KB Output is correct
3 Correct 24 ms 14012 KB Output is correct
4 Correct 33 ms 16044 KB Output is correct
5 Correct 49 ms 16320 KB Output is correct
6 Correct 28 ms 14720 KB Output is correct
7 Correct 27 ms 14716 KB Output is correct
8 Correct 32 ms 15724 KB Output is correct
9 Correct 31 ms 15468 KB Output is correct
10 Correct 24 ms 12904 KB Output is correct
11 Correct 23 ms 12916 KB Output is correct
12 Correct 24 ms 12908 KB Output is correct
13 Correct 26 ms 12916 KB Output is correct
14 Correct 24 ms 13180 KB Output is correct
15 Correct 27 ms 13396 KB Output is correct
16 Correct 34 ms 15412 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 12340 KB Output is correct
2 Correct 1 ms 784 KB Output is correct
3 Correct 22 ms 11884 KB Output is correct
4 Correct 30 ms 13760 KB Output is correct
5 Correct 32 ms 13904 KB Output is correct
6 Correct 28 ms 12420 KB Output is correct
7 Correct 24 ms 12592 KB Output is correct
8 Correct 30 ms 13100 KB Output is correct
9 Correct 31 ms 13092 KB Output is correct
10 Correct 26 ms 12920 KB Output is correct
11 Correct 30 ms 12884 KB Output is correct
12 Correct 32 ms 12876 KB Output is correct
13 Correct 28 ms 12900 KB Output is correct
14 Correct 28 ms 13176 KB Output is correct
15 Correct 30 ms 13140 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 12340 KB Output is correct
2 Correct 1 ms 784 KB Output is correct
3 Correct 22 ms 11884 KB Output is correct
4 Correct 30 ms 13760 KB Output is correct
5 Correct 32 ms 13904 KB Output is correct
6 Correct 28 ms 12420 KB Output is correct
7 Correct 24 ms 12592 KB Output is correct
8 Correct 30 ms 13100 KB Output is correct
9 Correct 31 ms 13092 KB Output is correct
10 Correct 26 ms 12920 KB Output is correct
11 Correct 30 ms 12884 KB Output is correct
12 Correct 32 ms 12876 KB Output is correct
13 Correct 28 ms 12900 KB Output is correct
14 Correct 28 ms 13176 KB Output is correct
15 Correct 30 ms 13140 KB Output is correct
16 Correct 22 ms 10868 KB Output is correct
17 Correct 23 ms 10980 KB Output is correct
18 Correct 24 ms 10964 KB Output is correct
19 Correct 23 ms 10872 KB Output is correct
20 Correct 26 ms 11636 KB Output is correct
21 Correct 24 ms 11380 KB Output is correct
22 Correct 30 ms 13432 KB Output is correct
23 Correct 24 ms 11036 KB Output is correct
24 Correct 27 ms 11116 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1056 KB Output is correct
2 Correct 0 ms 796 KB Output is correct
3 Correct 1 ms 1056 KB Output is correct
4 Correct 2 ms 1056 KB Output is correct
5 Correct 2 ms 1056 KB Output is correct
6 Correct 2 ms 1056 KB Output is correct
7 Correct 1 ms 1048 KB Output is correct
8 Correct 1 ms 1124 KB Output is correct
9 Correct 2 ms 1056 KB Output is correct
10 Correct 2 ms 1056 KB Output is correct
11 Correct 1 ms 1052 KB Output is correct
12 Correct 2 ms 1220 KB Output is correct
13 Correct 2 ms 1044 KB Output is correct
14 Correct 2 ms 1048 KB Output is correct
15 Correct 2 ms 1048 KB Output is correct
16 Correct 2 ms 1048 KB Output is correct
17 Correct 2 ms 1052 KB Output is correct
18 Correct 2 ms 1056 KB Output is correct
19 Correct 2 ms 1052 KB Output is correct
20 Correct 1 ms 1376 KB Output is correct
21 Correct 2 ms 1060 KB Output is correct
22 Correct 2 ms 1048 KB Output is correct
23 Correct 1 ms 1056 KB Output is correct
24 Correct 2 ms 1052 KB Output is correct
25 Correct 2 ms 1056 KB Output is correct
26 Correct 2 ms 1048 KB Output is correct
27 Correct 1 ms 1048 KB Output is correct
28 Correct 1 ms 1056 KB Output is correct

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 10872 KB Output is correct
2 Correct 33 ms 12096 KB Output is correct
3 Correct 1 ms 796 KB Output is correct
4 Correct 20 ms 10348 KB Output is correct
5 Correct 31 ms 13684 KB Output is correct
6 Correct 29 ms 13824 KB Output is correct
7 Incorrect 24 ms 12668 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10868 KB Output is correct
2 Correct 33 ms 12164 KB Output is correct
3 Correct 0 ms 784 KB Output is correct
4 Correct 21 ms 10360 KB Output is correct
5 Correct 31 ms 13528 KB Output is correct
6 Correct 31 ms 13604 KB Output is correct
7 Correct 26 ms 12668 KB Output is correct
8 Correct 26 ms 12652 KB Output is correct
9 Correct 31 ms 13676 KB Output is correct
10 Correct 30 ms 13628 KB Output is correct
11 Correct 33 ms 13688 KB Output is correct
12 Correct 36 ms 13632 KB Output is correct
13 Correct 30 ms 13760 KB Output is correct
14 Correct 37 ms 13716 KB Output is correct
15 Incorrect 33 ms 13668 KB Wrong Answer [6]
16 Halted 0 ms 0 KB -