Submission #72541

#	Time	Username	Problem	Language	Result	Execution time	Memory
72541		imsifile	Lokahian Rampart (FXCUP3_lokahia)	C++17	13 / 100	1408 ms	178256 KiB

sungjin

// ainta & cki86201's code 변형 (https://oj.uz/submission/72484)

#include "sungjin.h"

int X[1010][1010], Y[1010][1010], n, m, vis[1010][1010], U[1010][1010];

int w[1010][1010][4], dx[4] = { 0,0,1,-1 }, dy[4] = { 1,-1,0,0 };

int Rev[4] = { 1,0,3,2 };

void DFS(int x, int y) {
	if (x<0 || y<0 || x>n + 1 || y>m + 1 || vis[x][y])return;
	vis[x][y] = 1;
	if(x == 10 && y == 6){
		x++; x--;
	}
	for (int i = 0; i < 4; i++) {
		if(!w[x][y][i])DFS(x + dx[i], y + dy[i]);
	}
}

int ss = 0;
void Go(int x, int y, int col) {
	vis[x][y] = col;
	for (int i = 0; i < 4; i++) {
		int tx = x + dx[i], ty = y + dy[i];
		if(!vis[tx][ty])Go(x + dx[i], y + dy[i], col);
	}
}

void Init(int N, int M, int W, int R[], int C[], int dir[]) {
	int i, j, res = 0;
	n = N, m = M;
	for (i = 0; i < W; i++) {
		dir[i]--;
//		w[R[i]][C[i]][dir[i]] = 1;
		w[R[i]+dx[dir[i]]][C[i]+dy[dir[i]]][Rev[dir[i]]] = 1;
	}
	DFS(0, 0);
	int cnt = 1;
	for (i = 1; i <= N; i++) {
		for (j = 1; j <= M; j++) {
			if (!vis[i][j]) {
				cnt++;
				ss = 0;
				Go(i, j, cnt);
			}
		}
	}
}

int WereSameTerritory(int R1, int C1, int R2, int C2) {
	if (vis[R1][C1] == vis[R2][C2] && vis[R1][C1] != 1)return 1;
	return 0;
}

dowoon

// ainta & cki86201's code (https://oj.uz/submission/72484)

    #include "dowoon.h"
     
    int w[1010][1010], c1, c2;
     
    void Put(int x, int y, int c) {
    	if (w[x][y])return;
    	w[x][y] = c;
    	if (c == 1)c1++;
    	else c2++;
    }
    int Guess(int N, int M) {
    	int i, j;
    	for (i = 1; i <= N; i++) {
    		for (j = 1; j <= M; j++) {
    			if (c1 * 2 > N*M)return 1;
    			if (c2 * 2 >= N*M)return 0;
    			if (w[i][j]) {
    				if (w[i][j] == 2) continue;
    				if (j + 1 <= M && !w[i][j + 1]) {
    					if (Ask(i, j, i, j + 1))Put(i,j+1,1);
    					else Put(i,j+1,2);
    				}
    				if (i + 1 <= N && !w[i + 1][j]) {
    					if (Ask(i, j, i + 1, j))Put(i+1,j,1);
    					else Put(i+1,j,2);
    				}
    				continue;
    			}
    			if (i == N && j == M) {
    				w[i][j] = 2;
    				continue;
    			}
    			if (i == N) {
    				if (Ask(i, j, i, j + 1)) {
    					Put(i, j, 1);
    					Put(i, j + 1, 1);
    				}
    				else Put(i, j, 2);
    				continue;
    			}
    			if (j == M) {
    				if (Ask(i, j, i + 1, j)) {
    					Put(i, j, 1);
    					Put(i + 1, j, 1);
    				}
    				else Put(i, j, 2);
    				continue;
    			}
    			int t1 = Ask(i, j, i + 1, j);
    			int t2 = Ask(i, j, i, j + 1);
    			if (t1 || t2) {
    				Put(i, j, 1);
    				if (t1)Put(i + 1, j, 1);
    				else Put(i + 1, j, 2);
    				if (t2)Put(i, j + 1, 1);
    				else Put(i, j + 1, 2);
    			}
    			else {
    				Put(i, j, 2);
    			}
    		}
    	}
    	if (c1 * 2 > N*M)return 1;
    	return 0;
    }

Compilation message (stderr)

sungjin.cpp: In function 'void Init(int, int, int, int*, int*, int*)':
sungjin.cpp:32:12: warning: unused variable 'res' [-Wunused-variable]
  int i, j, res = 0;
            ^~~

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