oj.uz

Submission #928667

# Submission time Handle Problem Language Result Execution time Memory
928667 2024-02-17T01:18:09 Z MilosMilutinovic Stray Cat (JOI20_stray) C++14
20 / 100
 40 ms 16000 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;
			}
		}
	}
	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;
			}
		}
	}
	if((int)edg.size()<5){
		if(y[0]==0&&y[1]==0){
			up=true;
			edg.pb(edg.back());
			return -1;
		}
		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;
	}
	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 14976 KB Output is correct
2 Correct 0 ms 784 KB Output is correct
3 Correct 23 ms 14200 KB Output is correct
4 Correct 38 ms 15908 KB Output is correct
5 Correct 40 ms 16000 KB Output is correct
6 Correct 30 ms 14716 KB Output is correct
7 Correct 30 ms 14596 KB Output is correct
8 Correct 35 ms 15412 KB Output is correct
9 Correct 30 ms 15412 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 14976 KB Output is correct
2 Correct 0 ms 784 KB Output is correct
3 Correct 23 ms 14200 KB Output is correct
4 Correct 38 ms 15908 KB Output is correct
5 Correct 40 ms 16000 KB Output is correct
6 Correct 30 ms 14716 KB Output is correct
7 Correct 30 ms 14596 KB Output is correct
8 Correct 35 ms 15412 KB Output is correct
9 Correct 30 ms 15412 KB Output is correct
10 Correct 24 ms 12920 KB Output is correct
11 Correct 24 ms 12928 KB Output is correct
12 Correct 24 ms 12740 KB Output is correct
13 Correct 27 ms 12744 KB Output is correct
14 Correct 25 ms 12948 KB Output is correct
15 Correct 27 ms 13392 KB Output is correct
16 Correct 28 ms 15480 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 1 ms 792 KB Output is correct
3 Correct 25 ms 11868 KB Output is correct
4 Correct 37 ms 13852 KB Output is correct
5 Correct 31 ms 13948 KB Output is correct
6 Correct 24 ms 12404 KB Output is correct
7 Correct 24 ms 12476 KB Output is correct
8 Correct 28 ms 13132 KB Output is correct
9 Correct 28 ms 13176 KB Output is correct
10 Correct 27 ms 12880 KB Output is correct
11 Correct 27 ms 12852 KB Output is correct
12 Correct 28 ms 12912 KB Output is correct
13 Correct 28 ms 12912 KB Output is correct
14 Correct 28 ms 13680 KB Output is correct
15 Correct 28 ms 13176 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 1 ms 792 KB Output is correct
3 Correct 25 ms 11868 KB Output is correct
4 Correct 37 ms 13852 KB Output is correct
5 Correct 31 ms 13948 KB Output is correct
6 Correct 24 ms 12404 KB Output is correct
7 Correct 24 ms 12476 KB Output is correct
8 Correct 28 ms 13132 KB Output is correct
9 Correct 28 ms 13176 KB Output is correct
10 Correct 27 ms 12880 KB Output is correct
11 Correct 27 ms 12852 KB Output is correct
12 Correct 28 ms 12912 KB Output is correct
13 Correct 28 ms 12912 KB Output is correct
14 Correct 28 ms 13680 KB Output is correct
15 Correct 28 ms 13176 KB Output is correct
16 Correct 23 ms 10860 KB Output is correct
17 Correct 22 ms 10868 KB Output is correct
18 Correct 23 ms 11024 KB Output is correct
19 Correct 23 ms 10868 KB Output is correct
20 Correct 26 ms 11636 KB Output is correct
21 Correct 24 ms 11368 KB Output is correct
22 Correct 30 ms 13396 KB Output is correct
23 Correct 27 ms 11052 KB Output is correct
24 Correct 25 ms 11000 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1048 KB Output is correct
2 Correct 0 ms 788 KB Output is correct
3 Correct 1 ms 1056 KB Output is correct
4 Correct 2 ms 1044 KB Output is correct
5 Correct 1 ms 1048 KB Output is correct
6 Correct 2 ms 1048 KB Output is correct
7 Correct 2 ms 1048 KB Output is correct
8 Correct 2 ms 1056 KB Output is correct
9 Correct 1 ms 1056 KB Output is correct
10 Correct 2 ms 1048 KB Output is correct
11 Correct 2 ms 1060 KB Output is correct
12 Correct 1 ms 1052 KB Output is correct
13 Correct 1 ms 1056 KB Output is correct
14 Correct 1 ms 1048 KB Output is correct
15 Correct 2 ms 1056 KB Output is correct
16 Correct 1 ms 1056 KB Output is correct
17 Correct 1 ms 1048 KB Output is correct
18 Correct 1 ms 1048 KB Output is correct
19 Correct 2 ms 1052 KB Output is correct
20 Correct 2 ms 1052 KB Output is correct
21 Correct 2 ms 1056 KB Output is correct
22 Correct 2 ms 1056 KB Output is correct
23 Correct 2 ms 1056 KB Output is correct
24 Correct 2 ms 1048 KB Output is correct
25 Correct 2 ms 1052 KB Output is correct
26 Correct 2 ms 1044 KB Output is correct
27 Correct 0 ms 1056 KB Output is correct
28 Correct 2 ms 1056 KB Output is correct

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10876 KB Output is correct
2 Correct 25 ms 12152 KB Output is correct
3 Correct 0 ms 784 KB Output is correct
4 Correct 20 ms 10424 KB Output is correct
5 Correct 31 ms 13700 KB Output is correct
6 Correct 29 ms 13692 KB Output is correct
7 Incorrect 23 ms 12656 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 10796 KB Output is correct
2 Correct 26 ms 11996 KB Output is correct
3 Correct 0 ms 784 KB Output is correct
4 Correct 20 ms 10436 KB Output is correct
5 Correct 29 ms 13744 KB Output is correct
6 Correct 37 ms 13680 KB Output is correct
7 Correct 24 ms 12668 KB Output is correct
8 Correct 25 ms 12868 KB Output is correct
9 Correct 32 ms 13900 KB Output is correct
10 Correct 32 ms 13916 KB Output is correct
11 Correct 29 ms 14012 KB Output is correct
12 Correct 28 ms 13956 KB Output is correct
13 Correct 30 ms 14000 KB Output is correct
14 Correct 28 ms 13900 KB Output is correct
15 Incorrect 27 ms 13904 KB Wrong Answer [6]
16 Halted 0 ms 0 KB -