oj.uz

Submission #928668

# Submission time Handle Problem Language Result Execution time Memory
928668 2024-02-17T01:19:12 Z MilosMilutinovic Stray Cat (JOI20_stray) C++14
20 / 100
 43 ms 16068 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()<3){
		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 14800 KB Output is correct
2 Correct 0 ms 788 KB Output is correct
3 Correct 23 ms 14016 KB Output is correct
4 Correct 35 ms 16068 KB Output is correct
5 Correct 35 ms 15920 KB Output is correct
6 Correct 31 ms 14784 KB Output is correct
7 Correct 27 ms 14804 KB Output is correct
8 Correct 39 ms 15496 KB Output is correct
9 Correct 33 ms 15260 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 14800 KB Output is correct
2 Correct 0 ms 788 KB Output is correct
3 Correct 23 ms 14016 KB Output is correct
4 Correct 35 ms 16068 KB Output is correct
5 Correct 35 ms 15920 KB Output is correct
6 Correct 31 ms 14784 KB Output is correct
7 Correct 27 ms 14804 KB Output is correct
8 Correct 39 ms 15496 KB Output is correct
9 Correct 33 ms 15260 KB Output is correct
10 Correct 24 ms 12908 KB Output is correct
11 Correct 24 ms 12920 KB Output is correct
12 Correct 26 ms 12888 KB Output is correct
13 Correct 24 ms 12824 KB Output is correct
14 Correct 26 ms 12996 KB Output is correct
15 Correct 27 ms 13396 KB Output is correct
16 Correct 43 ms 15472 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 12400 KB Output is correct
2 Correct 1 ms 796 KB Output is correct
3 Correct 22 ms 12036 KB Output is correct
4 Correct 32 ms 13936 KB Output is correct
5 Correct 31 ms 13916 KB Output is correct
6 Correct 24 ms 12416 KB Output is correct
7 Correct 24 ms 12412 KB Output is correct
8 Correct 28 ms 13172 KB Output is correct
9 Correct 28 ms 13172 KB Output is correct
10 Correct 33 ms 12760 KB Output is correct
11 Correct 26 ms 12920 KB Output is correct
12 Correct 28 ms 12864 KB Output is correct
13 Correct 28 ms 12916 KB Output is correct
14 Correct 28 ms 13092 KB Output is correct
15 Correct 28 ms 13144 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 12400 KB Output is correct
2 Correct 1 ms 796 KB Output is correct
3 Correct 22 ms 12036 KB Output is correct
4 Correct 32 ms 13936 KB Output is correct
5 Correct 31 ms 13916 KB Output is correct
6 Correct 24 ms 12416 KB Output is correct
7 Correct 24 ms 12412 KB Output is correct
8 Correct 28 ms 13172 KB Output is correct
9 Correct 28 ms 13172 KB Output is correct
10 Correct 33 ms 12760 KB Output is correct
11 Correct 26 ms 12920 KB Output is correct
12 Correct 28 ms 12864 KB Output is correct
13 Correct 28 ms 12916 KB Output is correct
14 Correct 28 ms 13092 KB Output is correct
15 Correct 28 ms 13144 KB Output is correct
16 Correct 22 ms 10860 KB Output is correct
17 Correct 22 ms 10868 KB Output is correct
18 Correct 23 ms 11032 KB Output is correct
19 Correct 23 ms 10868 KB Output is correct
20 Correct 26 ms 11636 KB Output is correct
21 Correct 26 ms 11368 KB Output is correct
22 Correct 28 ms 13420 KB Output is correct
23 Correct 23 ms 11124 KB Output is correct
24 Correct 24 ms 11128 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 1 ms 952 KB Output is correct
3 Correct 0 ms 1060 KB Output is correct
4 Correct 1 ms 1044 KB Output is correct
5 Correct 1 ms 1052 KB Output is correct
6 Correct 2 ms 1052 KB Output is correct
7 Correct 2 ms 1056 KB Output is correct
8 Correct 1 ms 1052 KB Output is correct
9 Correct 1 ms 1056 KB Output is correct
10 Correct 1 ms 1060 KB Output is correct
11 Correct 1 ms 1052 KB Output is correct
12 Correct 1 ms 1048 KB Output is correct
13 Correct 2 ms 1056 KB Output is correct
14 Correct 1 ms 1056 KB Output is correct
15 Correct 2 ms 1048 KB Output is correct
16 Correct 2 ms 1212 KB Output is correct
17 Correct 2 ms 1052 KB Output is correct
18 Correct 2 ms 1048 KB Output is correct
19 Correct 1 ms 1052 KB Output is correct
20 Correct 2 ms 1048 KB Output is correct
21 Correct 1 ms 1056 KB Output is correct
22 Correct 2 ms 1048 KB Output is correct
23 Correct 0 ms 1044 KB Output is correct
24 Correct 1 ms 1040 KB Output is correct
25 Correct 1 ms 1056 KB Output is correct
26 Correct 1 ms 1052 KB Output is correct
27 Correct 0 ms 1048 KB Output is correct
28 Correct 1 ms 872 KB Output is correct

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 10856 KB Output is correct
2 Correct 25 ms 12140 KB Output is correct
3 Correct 1 ms 952 KB Output is correct
4 Correct 21 ms 10348 KB Output is correct
5 Correct 29 ms 13692 KB Output is correct
6 Correct 29 ms 13680 KB Output is correct
7 Incorrect 23 ms 12868 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 11120 KB Output is correct
2 Correct 25 ms 12156 KB Output is correct
3 Correct 0 ms 796 KB Output is correct
4 Correct 20 ms 10364 KB Output is correct
5 Correct 29 ms 13692 KB Output is correct
6 Correct 31 ms 13684 KB Output is correct
7 Correct 26 ms 12664 KB Output is correct
8 Correct 24 ms 12660 KB Output is correct
9 Correct 30 ms 13684 KB Output is correct
10 Correct 30 ms 13860 KB Output is correct
11 Correct 29 ms 13728 KB Output is correct
12 Correct 30 ms 13612 KB Output is correct
13 Correct 29 ms 13680 KB Output is correct
14 Correct 28 ms 13688 KB Output is correct
15 Incorrect 27 ms 13764 KB Wrong Answer [6]
16 Halted 0 ms 0 KB -