답안 #403065

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
403065 2021-05-12T17:36:15 Z BERNARB01 무지개나라 (APIO17_rainbow) C++17
0 / 100
163 ms 4556 KB
#include "rainbow.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 1002;
const int maxN = (int) 2e5 + 9;

int sub = 1;

int a[N][N], vis[N][N], done[N][N], u, l, d, r, sum1[maxN], sum2[maxN], sum12[maxN], vis2[2][maxN];

array<int, 4> di = {0, 0, 1, -1};
array<int, 4> dj = {1, -1, 0, 0};


bool valid(int i, int j) {
	return (u <= i && i <= d && l <= j && j <= r && !vis[i][j] && !done[i][j]);
}

void dfs(int i, int j) {
	done[i][j] = 1;
	for (int k = 0; k < 4; k++) {
		int ni = i + di[k];
		int nj = j + dj[k];
		if (valid(ni, nj)) {
			dfs(ni, nj);
		}
	}
}

void init(int R, int C, int sr, int sc, int M, char *S) {
	if (R == 2) {
		sub = 2;
	}
	u = 1; d = R;
	l = 1; r = C;
	if (sub == 2) {
		vis2[sr][sc] = 1;
	} else {
		vis[sr][sc] = 1;
	}
	for (int i = 0; i < M; i++) {
		if (S[i] == 'N') {
			sr--;
		} else if (S[i] == 'S') {
			sr++;
		} else if (S[i] == 'E') {
			sc++;
		} else {
			sc--;
		}
		if (sub == 2) {
			vis2[sr][sc] = 1;
		} else {
			vis[sr][sc] = 1;
		}
	}
	if (sub == 2) {
		vis2[0][0] = vis2[1][0] = 1;
		for (int i = 1; i <= C; i++) {
			sum1[i] = sum1[i - 1] + vis2[0][i];
			sum2[i] = sum2[i - 1] + vis2[1][i];
			sum12[i] = sum12[i - 1] + (!(vis2[0][i] && vis2[1][i]) && (vis2[0][i - 1] && vis2[1][i - 1]));
		}
	}
}

int colour(int ar, int ac, int br, int bc) {
	u = ar; d = br;
	l = ac; r = bc;
	int ans = 0;
	if (sub == 2) {
		int len = (r - l + 1);
		if (u == d) {
			if (d == 1) {
				return len - (sum1[r] - sum1[l - 1]);
			} else {
				return len - (sum2[r] - sum2[l - 1]);
			}
		} else {
			return (len - (sum12[r] - sum12[l - 1])) + !(vis2[0][l] && vis2[1][l]);
		}
	}
	for (int i = u; i <= d; i++) {
		for (int j = l; j <= r; j++) {
			if (!vis[i][j] && !done[i][j]) {
				dfs(i, j);
				ans++;
			}
		}
	}
	memset(done, 0, sizeof done);
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 140 ms 4300 KB Output is correct
2 Correct 146 ms 4432 KB Output is correct
3 Correct 163 ms 4556 KB Output is correct
4 Correct 160 ms 4540 KB Output is correct
5 Correct 145 ms 4428 KB Output is correct
6 Correct 4 ms 4264 KB Output is correct
7 Correct 4 ms 4172 KB Output is correct
8 Correct 3 ms 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 4 ms 4300 KB Output is correct
11 Correct 158 ms 4468 KB Output is correct
12 Correct 155 ms 4496 KB Output is correct
13 Correct 149 ms 4460 KB Output is correct
14 Correct 154 ms 4428 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Incorrect 1 ms 332 KB Output isn't correct
17 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Runtime error 3 ms 588 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 140 ms 4300 KB Output is correct
2 Correct 146 ms 4432 KB Output is correct
3 Correct 163 ms 4556 KB Output is correct
4 Correct 160 ms 4540 KB Output is correct
5 Correct 145 ms 4428 KB Output is correct
6 Correct 4 ms 4264 KB Output is correct
7 Correct 4 ms 4172 KB Output is correct
8 Correct 3 ms 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 4 ms 4300 KB Output is correct
11 Correct 158 ms 4468 KB Output is correct
12 Correct 155 ms 4496 KB Output is correct
13 Correct 149 ms 4460 KB Output is correct
14 Correct 154 ms 4428 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Incorrect 1 ms 332 KB Output isn't correct
17 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 140 ms 4300 KB Output is correct
2 Correct 146 ms 4432 KB Output is correct
3 Correct 163 ms 4556 KB Output is correct
4 Correct 160 ms 4540 KB Output is correct
5 Correct 145 ms 4428 KB Output is correct
6 Correct 4 ms 4264 KB Output is correct
7 Correct 4 ms 4172 KB Output is correct
8 Correct 3 ms 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 4 ms 4300 KB Output is correct
11 Correct 158 ms 4468 KB Output is correct
12 Correct 155 ms 4496 KB Output is correct
13 Correct 149 ms 4460 KB Output is correct
14 Correct 154 ms 4428 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Incorrect 1 ms 332 KB Output isn't correct
17 Halted 0 ms 0 KB -