Submission #1012936

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012936		Ivo_12	Stray Cat (JOI20_stray)	C++17	20 / 100	38 ms	17528 KiB

Anthony

#include "Anthony.h"
#include <bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define pii pair < int, int >
#define FIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

using namespace std;

namespace {

const int N = 2e4+10, M = 2e4+10, A = 4;

vector < pii > edges[N];
vector < int > oznake;
int dis[N];
int zap[N];
queue < int > q;

int pat[6] = {0, 1, 0, 0, 1, 1};

vector < int > mark( int n, int m, int a, int b, vector < int > t1, vector < int > t2 ) {
	for(int i = 0; i < m; i++) {
		edges[t1[i]].pb(mp(t2[i], i));
		edges[t2[i]].pb(mp(t1[i], i));
		oznake.pb(-1);
	}
	dis[0] = 1;
	q.push(0);
	int cur;
	int sus;
	while(!q.empty()) {
		cur = q.front();
		q.pop();
		for(int i = 0; i < (int) edges[cur].size(); i++) {
			sus = edges[cur][i].F;
			if(dis[sus] == 0) {
				q.push(sus);
				dis[sus] = dis[cur]+1;
			}
		}
	}
	if(a>=3) {
		q.push(0);
		while(!q.empty()) {
			cur = q.front();
			q.pop();
			for(int i = 0; i < (int) edges[cur].size(); i++) {
				sus = edges[cur][i].F;
				if(oznake[edges[cur][i].S] == -1) {
					if(dis[sus] > dis[cur]) q.push(sus);
					oznake[edges[cur][i].S] = (dis[cur] - 1) % 3;
				}
			}
		}
	}
	else {
		q.push(0);
		while(!q.empty()) {
			cur = q.front();
			q.pop();
			for(int i = 0; i < (int) edges[cur].size(); i++) {
				sus = edges[cur][i].F;
				if(oznake[edges[cur][i].S] == -1 && (int) edges[cur].size() > 2) {
					if(dis[sus] > dis[cur]) q.push(sus);
					oznake[edges[cur][i].S] = (pat[zap[cur]%6] + 1) % 2;
					zap[sus] = (pat[zap[cur]] + 1) % 2;
				}
				if(oznake[edges[cur][i].S] == -1 && ((int) ((int) edges[cur].size() == 2 && cur != 0) || ((int) edges[cur].size() == 1 && cur == 0))) {
					if(dis[sus] > dis[cur]) q.push(sus);
					oznake[edges[cur][i].S] = pat[(zap[cur] + 1)%6];
					zap[sus] = zap[cur] + 1;
				}
			}
		}
	}
	
	return oznake;
}

}  // namespace

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
  std::vector<int> X(M);
  return ::mark(N, M, A, B, U, V);
}

Catherine

#include "Catherine.h"
#include <bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define pii pair < int, int >
#define FIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

using namespace std;

namespace {

int ga, gb;
int l[2];

int revpatt[6] = {1, 1, 0, 0, 1, 0};
vector < int > patt[6];
vector < int > ori;
int pokusaj;


void init( int a, int b ) {
	ga = a;
	gb = b;
	l[0] = 0;
	l[1] = 0;
	for(int i = 0; i < 6; i++) {
		for(int j = 0; j < 5; j++) {
			patt[i].pb(revpatt[(j+i)%6]);
		}
	}
	pokusaj = 0;
}

int move( vector < int > v ) {
	
	if(::ga>=3) {
		if(v[0] && v[1]) return 0;
		if(v[2] && v[0]) return 2;
		if(v[1] && v[2]) return 1;
		if(!(v[0] || v[1])) return 2;
		if(!(v[2] || v[0])) return 1;
		if(!(v[1] || v[2])) return 0;
	}
	pokusaj++;
	if(pokusaj == 1 && v[0] + v[1] == 2) {
		ori.clear();
		if(v[0] == 1 && v[1] == 1) {
			ori.pb(0);
			ori.pb(1);
			l[0] = 0;
			l[1] = 1;
			return 1;
		}
		if(v[0] == 2 && v[1] == 0) {
			ori.pb(0);
			ori.pb(0);
			l[0] = 1;
			l[1] = 0;
			return 0;
		}
		if(v[0] == 0 && v[1] == 2) {
			ori.pb(1);
			ori.pb(1);
			l[0] = 0;
			l[1] = 1;
			return 1;
		}
	}
	else {
		if((pokusaj == 2 || pokusaj == 3) && v[0] + v[1] == 1) {
			ori.pb((int) (v[0] == 0));
			l[0] = v[0] == 1;
			l[1] = v[1] == 1;
			return ((int) (v[0] == 0));
		}
		else {
			if((pokusaj == 4) && v[0] + v[1] == 1) {
				ori.pb((int) (v[0] == 0));
				for(int i = 0; i < 6; i++) if(ori==patt[i]) return -1;
				l[0] = v[0] == 1;
				l[1] = v[1] == 1;
				return (int) (v[0] == 0);
			}
			else pokusaj = 10;
		}
	}
	pokusaj = 10;
	if(v[0] == 0 && v[1] == 0) return -1;
	if(v[0] == 0 && v[1] > 1 && pokusaj != 1) {
		return -1;
	}
	if(v[0] > 1 && v[1] == 0 && pokusaj != 1) {
		return -1;
	}
	if(v[0] == 0 && v[1] == 1) {
		l[1] = 1;
		l[0] = 0;
		return 1;
	}
	if(v[0] == 1 && v[1] == 0) {
		l[1] = 0;
		l[0] = 1;
		return 0;
	}
	if(v[0] == 1 && v[1] > 1) {
		l[1] = 0;
		l[0] = 1;
		return 0;
	}
	if(v[0] > 1 && v[1] == 1) {
		l[1] = 1;
		l[0] = 0;
		return 1;
	}
	if(l[0]) {
		l[1] = 1;
		l[0] = 0;
		return 1;
	}
	if(l[1]) {
		l[1] = 0;
		l[0] = 1;
		return 0;
	}
	if(v[0] > v[1]) {
		l[1] = 0;
		l[0] = 1;
		return 0;
	}
	l[1] = 1;
	l[0] = 0;
	return 1;
	
}

}  // namespace

void Init(int A, int B) {
	::init(A, B);
}

int Move(std::vector<int> y) {
	return ::move(y);
}

• Subtask 1: 2 / 2
• Subtask 2: 2 / 2
• Subtask 3: 2 / 2
• Subtask 4: 9 / 9
• Subtask 5: 5 / 5
• Subtask 6: 0 / 71
• Subtask 7: 0 / 9