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Submission #928674

# Submission time Handle Problem Language Result Execution time Memory
928674 2024-02-17T01:39:59 Z MilosMilutinovic Stray Cat (JOI20_stray) C++14
20 / 100
 36 ms 15988 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++){
		bool ok=true;
		for(int j=0;j<(int)pth.size();j++){
			if(seq[(i+j)%6]!=pth[j]) ok=false;
		}
		if(ok) 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()<5){
		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 27 ms 14956 KB Output is correct
2 Correct 0 ms 800 KB Output is correct
3 Correct 24 ms 14168 KB Output is correct
4 Correct 32 ms 15988 KB Output is correct
5 Correct 35 ms 15948 KB Output is correct
6 Correct 36 ms 14876 KB Output is correct
7 Correct 27 ms 14724 KB Output is correct
8 Correct 33 ms 15480 KB Output is correct
9 Correct 30 ms 15476 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 14956 KB Output is correct
2 Correct 0 ms 800 KB Output is correct
3 Correct 24 ms 14168 KB Output is correct
4 Correct 32 ms 15988 KB Output is correct
5 Correct 35 ms 15948 KB Output is correct
6 Correct 36 ms 14876 KB Output is correct
7 Correct 27 ms 14724 KB Output is correct
8 Correct 33 ms 15480 KB Output is correct
9 Correct 30 ms 15476 KB Output is correct
10 Correct 24 ms 12924 KB Output is correct
11 Correct 23 ms 12924 KB Output is correct
12 Correct 27 ms 12920 KB Output is correct
13 Correct 24 ms 12916 KB Output is correct
14 Correct 26 ms 13164 KB Output is correct
15 Correct 28 ms 13424 KB Output is correct
16 Correct 30 ms 15724 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 12404 KB Output is correct
2 Correct 0 ms 796 KB Output is correct
3 Correct 22 ms 11900 KB Output is correct
4 Correct 33 ms 13944 KB Output is correct
5 Correct 30 ms 13904 KB Output is correct
6 Correct 24 ms 12400 KB Output is correct
7 Correct 24 ms 12412 KB Output is correct
8 Correct 30 ms 13816 KB Output is correct
9 Correct 34 ms 13372 KB Output is correct
10 Correct 26 ms 12908 KB Output is correct
11 Correct 27 ms 13172 KB Output is correct
12 Correct 26 ms 12916 KB Output is correct
13 Correct 27 ms 12916 KB Output is correct
14 Correct 32 ms 13176 KB Output is correct
15 Correct 31 ms 13168 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 12404 KB Output is correct
2 Correct 0 ms 796 KB Output is correct
3 Correct 22 ms 11900 KB Output is correct
4 Correct 33 ms 13944 KB Output is correct
5 Correct 30 ms 13904 KB Output is correct
6 Correct 24 ms 12400 KB Output is correct
7 Correct 24 ms 12412 KB Output is correct
8 Correct 30 ms 13816 KB Output is correct
9 Correct 34 ms 13372 KB Output is correct
10 Correct 26 ms 12908 KB Output is correct
11 Correct 27 ms 13172 KB Output is correct
12 Correct 26 ms 12916 KB Output is correct
13 Correct 27 ms 12916 KB Output is correct
14 Correct 32 ms 13176 KB Output is correct
15 Correct 31 ms 13168 KB Output is correct
16 Correct 21 ms 10864 KB Output is correct
17 Correct 22 ms 10868 KB Output is correct
18 Correct 31 ms 10856 KB Output is correct
19 Correct 24 ms 10836 KB Output is correct
20 Correct 26 ms 11636 KB Output is correct
21 Correct 24 ms 11372 KB Output is correct
22 Correct 28 ms 13432 KB Output is correct
23 Correct 28 ms 11120 KB Output is correct
24 Correct 24 ms 11384 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1052 KB Output is correct
2 Correct 0 ms 792 KB Output is correct
3 Correct 0 ms 1048 KB Output is correct
4 Correct 1 ms 1048 KB Output is correct
5 Correct 1 ms 1048 KB Output is correct
6 Correct 2 ms 1056 KB Output is correct
7 Correct 2 ms 1056 KB Output is correct
8 Correct 2 ms 1056 KB Output is correct
9 Correct 2 ms 1048 KB Output is correct
10 Correct 2 ms 1048 KB Output is correct
11 Correct 0 ms 1052 KB Output is correct
12 Correct 2 ms 884 KB Output is correct
13 Correct 2 ms 1056 KB Output is correct
14 Correct 1 ms 1044 KB Output is correct
15 Correct 2 ms 1048 KB Output is correct
16 Correct 1 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 1 ms 1048 KB Output is correct
20 Correct 1 ms 1048 KB Output is correct
21 Correct 1 ms 1308 KB Output is correct
22 Correct 2 ms 1044 KB Output is correct
23 Correct 1 ms 1048 KB Output is correct
24 Correct 2 ms 1048 KB Output is correct
25 Correct 2 ms 1048 KB Output is correct
26 Correct 1 ms 1056 KB Output is correct
27 Correct 0 ms 1056 KB Output is correct
28 Correct 2 ms 1048 KB Output is correct

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 10864 KB Output is correct
2 Correct 26 ms 12152 KB Output is correct
3 Correct 0 ms 796 KB Output is correct
4 Correct 20 ms 10396 KB Output is correct
5 Correct 30 ms 13696 KB Output is correct
6 Correct 31 ms 13684 KB Output is correct
7 Correct 25 ms 12756 KB Output is correct
8 Correct 24 ms 12668 KB Output is correct
9 Correct 31 ms 14116 KB Output is correct
10 Correct 28 ms 13900 KB Output is correct
11 Correct 30 ms 13908 KB Output is correct
12 Correct 32 ms 13844 KB Output is correct
13 Correct 28 ms 14120 KB Output is correct
14 Correct 34 ms 14344 KB Output is correct
15 Correct 28 ms 13912 KB Output is correct
16 Correct 32 ms 13908 KB Output is correct
17 Correct 28 ms 13720 KB Output is correct
18 Correct 27 ms 13632 KB Output is correct
19 Correct 30 ms 13620 KB Output is correct
20 Correct 27 ms 13572 KB Output is correct
21 Correct 27 ms 13652 KB Output is correct
22 Correct 28 ms 13648 KB Output is correct
23 Correct 23 ms 11252 KB Output is correct
24 Correct 22 ms 11084 KB Output is correct
25 Incorrect 23 ms 11708 KB Wrong Answer [6]
26 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 10672 KB Output is correct
2 Correct 27 ms 12376 KB Output is correct
3 Correct 1 ms 788 KB Output is correct
4 Correct 20 ms 10328 KB Output is correct
5 Correct 29 ms 13692 KB Output is correct
6 Correct 29 ms 13700 KB Output is correct
7 Correct 24 ms 12656 KB Output is correct
8 Correct 24 ms 12652 KB Output is correct
9 Correct 30 ms 13688 KB Output is correct
10 Correct 30 ms 13692 KB Output is correct
11 Correct 33 ms 13628 KB Output is correct
12 Correct 30 ms 13684 KB Output is correct
13 Correct 31 ms 13660 KB Output is correct
14 Correct 28 ms 13812 KB Output is correct
15 Incorrect 28 ms 13656 KB Wrong Answer [6]
16 Halted 0 ms 0 KB -