Submission #72467

#	Time	Username	Problem	Language	Result	Execution time	Memory
72467		마릴린 희정 (#118)	Lokahian Rampart (FXCUP3_lokahia)	C++17	0 / 100	4 ms	752 KiB

sungjin

#include "sungjin.h"

const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};

static int N, M;

static bool vis[1010][1010];
static int kabe[1010][1010];

void dfs(int r, int c)
{
  if(r<0 || r>N+1 || c<0 || c>M+1) return;
  if(vis[r][c]) return;
  vis[r][c] = true;
  for(int d=0; d<4; ++d)
  {
    if(kabe[r][c]&(1<<d)) continue;
    dfs(r+dx[d], c+dy[d]);
  }
  return;
}

void Init(int N, int M, int W, int R[], int C[], int dir[]) {
	::N=N; ::M=M;
	for(int i=0; i<W; ++i)
	{
	  int nx = R[i], ny = C[i], nd = dir[i]-1;
	  int px = R[i]+dx[nd], py = C[i]+dy[nd], pd = nd^1;
	  kabe[nx][ny] |= (1<<nd);
	  kabe[px][py] |= (1<<pd);
	  //printf("%d %d %d %d %d %d \n", nx, ny, nd, px ,py,pd);
	}
	dfs(0, 0);
	/*for(int i=1; i<=N; ++i)
	  for(int j=1; j<=N; ++j)
	    if(!vis[i][j]) printf("(%d, %d)\n", i, j);  
  */
}

int WereSameTerritory(int R1, int C1, int R2, int C2) {
	return !vis[R1][C1] && !vis[R2][C2];
}

dowoon

#include "dowoon.h"

static int N, M;
int ask(int x, int y)
{
  return Ask(x/N+1, x%N+1, y/N+1, y%N+1);
}

int Guess(int N, int M) {
  return 0;
  ::N = N, ::M = M; int C = N*M;
  int ged = -1;
	for(int i=0; i<(C+1)/2; ++i)
	{
	  int v1 = 2*i+1, v2 = 2*i;
	  if(C==v1) v1 = 0;
	  if(ask(v1, v2))
	    ged = v1;
	}
	if(ged==-1) return 0;
	int cnt = 1;
	for(int i=0; i<C; ++i)
	{
	  if(i==ged) continue;
	  cnt += ask(i, ged);
	}
	if(cnt > C/2) return 1;
	return 0;
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 87