제출 #246350

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
246350		kostia244	Stray Cat (JOI20_stray)	C++17	89 / 100	83 ms	22912 KiB

Anthony

#include "Anthony.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;


namespace anton {
const int maxn = 1<<17;
vector<int> val, p, pidx, col,  god = {0, 0, 1, 0, 1, 1};
vector<array<int, 2>> g[maxn];
void dfs(int v) {
	for(auto &[i, idx] : g[v]) if(i != p[v]) {
		p[i] = v, pidx[i] = idx;
		col[i] = col[v]^1;
		dfs(i);
	}
	//cout << v << " // " << col[v] << '\n';
	if(!v || g[v].size() == 2) return;
	int u = p[v];
	vector<int> l {v};
	while(u && g[u].size() == 2) {
		l.pb(u);
		u = p[u];
	}
	int b = 0;
	while(god[b] != col[v] || god[(b + l.size() - 1)%6] != col[l.back()]) b++;
	//cout << v << " /// " << b << endl;
	//cout << god[b] << " vs " << col[v] << '\n';
	for(int i = 0; i < l.size(); i++) val[pidx[l[i]]] = god[(i+b)%6];
}

} 

namespace antOn {
const int maxn = 1<<17;
	vector<array<int, 2>> g[maxn];
	vector<int> val, lvl;
	queue<int> q;
	void solve() {
		lvl[0] = 0;
		q.push(0);
		vector<array<int, 3>> edges(val.size());
		while(!q.empty()) {
			int u = q.front();
			q.pop();
			for(auto &[i, idx] : g[u]) {
				if(lvl[i] == -1) {
					lvl[i] = lvl[u] + 1;
					q.push(i);
				}
				edges[idx] = {i, u, idx};
			}
		}
		map<int, map<int, int>> col;
		col[1][0] = col[0][1] = 0;
		col[2][1] = col[1][2] = 1;
		col[0][2] = col[2][0] = 2;
		col[0][0] = 0;
		col[1][1] = 2;
		col[2][2] = 1;
		for(auto [u, v, idx] : edges) val[idx] = col[lvl[u]%3][lvl[v]%3];
	}
}

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
	if(B == 0) {
	  for(int i = 0; i < M; i++) {
		antOn::g[U[i]].pb({V[i], i});
		antOn::g[V[i]].pb({U[i], i});
	}
	antOn::val.resize(M);
	antOn::lvl.resize(N, -1);
	antOn::solve();
	return antOn::val;
  }
  using namespace anton;
  val.resize(M);
  for(int i = 0; i < M; i++) {
	  g[U[i]].pb({V[i], i});
	  g[V[i]].pb({U[i], i});
  }
  p.resize(N);
  pidx.resize(N);
  col.resize(N);
  dfs(0);
  //for(int i = 0; i < M; i++) cout << U[i] << " " << V[i] << " " << val[i] << '\n';
  return val;
}

Catherine

#include "Catherine.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;

namespace kate {

int A, B, gg = 0, lst = -2, mvs = 0;
string cur, god = "110100110100";
int decide(vector<int> c) {
	if(B == 0) {
		if(!c[0] && !c[1]) return 2;
		if(!c[0] && !c[2]) return 1;
		if(!c[1] && !c[2]) return 0;
		if(c[0] && c[1]) return 0;
		if(c[2] && c[1]) return 1;
		if(c[2] && c[0]) return 2;
	}
	if(mvs++ > 10 && !gg) exit(-1);
	if(c[0] + c[1] == 0) {
		gg = 1;
		return -1;
	}
	if(lst == -2 && c[0]+c[1] == 1) {
		gg = 1;
		return lst = c[1];
	}
	if(c[0] + c[1] + (lst != -2) > 2) {
		gg = 1;
		if(c[0] == 0) return -1;
		if(c[1] == 0) return -1;
		if(c[0] == 1 && lst != 0) return lst = 0;
		if(c[1] == 1 && lst != 1) return lst = 1;
		exit(-1);
	}
	if(c[0] + c[1] == 2) {
		if(c[0]) {
			cur.pb('0'+c[1]);
			cur.pb('0');
			return lst = 0;
		}
		cur += "11";
		return lst = 1;
	}
	if(gg) return lst = c[1];
	cur.pb('0'+c[1]);
	if(cur.size() == 5) {
		gg = 1;
		//cout << " " << gg << "Yay\n";
		if(god.find(cur) != string::npos) return -1;
	}
	return lst = c[1];
}


}  // namespace

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

int Move(std::vector<int> y) {
	//cout << y[0] << " " << y[1] << " go ";
	int t = kate::decide(y);
	//cout <<kate::cur << " " << t << endl;
	return t;
}

컴파일 시 표준 에러 (stderr) 메시지

Anthony.cpp: In function 'void anton::dfs(int)':
Anthony.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < l.size(); i++) val[pidx[l[i]]] = god[(i+b)%6];
                 ~~^~~~~~~~~~

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