oj.uz

Submission #928673

# Submission time Handle Problem Language Result Execution time Memory
928673 2024-02-17T01:30:32 Z MilosMilutinovic Stray Cat (JOI20_stray) C++14
20 / 100
 44 ms 15984 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 35 ms 14964 KB Output is correct
2 Correct 0 ms 788 KB Output is correct
3 Correct 23 ms 14176 KB Output is correct
4 Correct 44 ms 15984 KB Output is correct
5 Correct 38 ms 15944 KB Output is correct
6 Correct 26 ms 14796 KB Output is correct
7 Correct 27 ms 14760 KB Output is correct
8 Correct 32 ms 15356 KB Output is correct
9 Correct 33 ms 15384 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 14964 KB Output is correct
2 Correct 0 ms 788 KB Output is correct
3 Correct 23 ms 14176 KB Output is correct
4 Correct 44 ms 15984 KB Output is correct
5 Correct 38 ms 15944 KB Output is correct
6 Correct 26 ms 14796 KB Output is correct
7 Correct 27 ms 14760 KB Output is correct
8 Correct 32 ms 15356 KB Output is correct
9 Correct 33 ms 15384 KB Output is correct
10 Correct 27 ms 12912 KB Output is correct
11 Correct 24 ms 12924 KB Output is correct
12 Correct 24 ms 12888 KB Output is correct
13 Correct 26 ms 12912 KB Output is correct
14 Correct 27 ms 13360 KB Output is correct
15 Correct 28 ms 13416 KB Output is correct
16 Correct 31 ms 15480 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 12408 KB Output is correct
2 Correct 0 ms 792 KB Output is correct
3 Correct 24 ms 11860 KB Output is correct
4 Correct 32 ms 13944 KB Output is correct
5 Correct 32 ms 13948 KB Output is correct
6 Correct 24 ms 12408 KB Output is correct
7 Correct 24 ms 12404 KB Output is correct
8 Correct 35 ms 13176 KB Output is correct
9 Correct 28 ms 13212 KB Output is correct
10 Correct 28 ms 12916 KB Output is correct
11 Correct 27 ms 12844 KB Output is correct
12 Correct 29 ms 12912 KB Output is correct
13 Correct 27 ms 12912 KB Output is correct
14 Correct 28 ms 13164 KB Output is correct
15 Correct 28 ms 13284 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 12408 KB Output is correct
2 Correct 0 ms 792 KB Output is correct
3 Correct 24 ms 11860 KB Output is correct
4 Correct 32 ms 13944 KB Output is correct
5 Correct 32 ms 13948 KB Output is correct
6 Correct 24 ms 12408 KB Output is correct
7 Correct 24 ms 12404 KB Output is correct
8 Correct 35 ms 13176 KB Output is correct
9 Correct 28 ms 13212 KB Output is correct
10 Correct 28 ms 12916 KB Output is correct
11 Correct 27 ms 12844 KB Output is correct
12 Correct 29 ms 12912 KB Output is correct
13 Correct 27 ms 12912 KB Output is correct
14 Correct 28 ms 13164 KB Output is correct
15 Correct 28 ms 13284 KB Output is correct
16 Correct 22 ms 11024 KB Output is correct
17 Correct 22 ms 11112 KB Output is correct
18 Correct 23 ms 10936 KB Output is correct
19 Correct 24 ms 10856 KB Output is correct
20 Correct 29 ms 11588 KB Output is correct
21 Correct 24 ms 11360 KB Output is correct
22 Correct 31 ms 13384 KB Output is correct
23 Correct 23 ms 11132 KB Output is correct
24 Correct 24 ms 11124 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1044 KB Output is correct
2 Correct 0 ms 796 KB Output is correct
3 Correct 2 ms 1308 KB Output is correct
4 Correct 1 ms 1048 KB Output is correct
5 Correct 2 ms 1056 KB Output is correct
6 Correct 2 ms 1040 KB Output is correct
7 Correct 2 ms 1048 KB Output is correct
8 Correct 1 ms 1300 KB Output is correct
9 Correct 2 ms 1052 KB Output is correct
10 Correct 2 ms 1296 KB Output is correct
11 Correct 1 ms 1052 KB Output is correct
12 Correct 1 ms 1056 KB Output is correct
13 Correct 2 ms 1048 KB Output is correct
14 Correct 2 ms 1056 KB Output is correct
15 Correct 2 ms 1056 KB Output is correct
16 Correct 2 ms 1312 KB Output is correct
17 Correct 2 ms 1040 KB Output is correct
18 Correct 2 ms 1056 KB Output is correct
19 Correct 1 ms 1048 KB Output is correct
20 Correct 2 ms 1056 KB Output is correct
21 Correct 1 ms 1048 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 0 ms 1048 KB Output is correct
26 Correct 1 ms 1056 KB Output is correct
27 Correct 1 ms 1296 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 24 ms 10684 KB Output is correct
2 Correct 25 ms 12148 KB Output is correct
3 Correct 0 ms 796 KB Output is correct
4 Correct 22 ms 10604 KB Output is correct
5 Correct 31 ms 13672 KB Output is correct
6 Correct 29 ms 13620 KB Output is correct
7 Correct 26 ms 12640 KB Output is correct
8 Incorrect 24 ms 12660 KB Wrong Answer [6]
9 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 10692 KB Output is correct
2 Correct 26 ms 12100 KB Output is correct
3 Correct 0 ms 784 KB Output is correct
4 Correct 22 ms 10300 KB Output is correct
5 Correct 30 ms 13700 KB Output is correct
6 Correct 32 ms 13672 KB Output is correct
7 Incorrect 24 ms 12792 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -