oj.uz

답안 #403093

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
403093 2021-05-12T18:14:05 Z BERNARB01 무지개나라 (APIO17_rainbow) C++17
0 / 100
 170 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);
		}
	}
}

int isNew(int i) {
	if ((vis2[0][i] + vis2[1][i] < 2) && (vis2[0][i - 1] && vis2[1][i - 1])) {
		// 10    11   10
		// 11    10   10
		return 1;
	}
	if ((vis2[0][i] + !vis2[1][i] == 1) && vis2[0][i] != vis2[0][i - 1] && vis2[1][i] != vis2[1][i - 1]) {
		// 01    10
		// 10    01
		return 1;
	}
	return 0;
}

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] + isNew(i);
		}
	}
}

int colour(int ar, int ac, int br, int bc) {
	u = ar; d = br;
	l = ac; r = bc;
	int ans = 0;
	if (sub == 2) {
		if (u == d) {
			if (d == 1) {
				return sum1[r] - sum1[l - 1];
			} else {
				return sum2[r] - sum2[l - 1];
			}
		} else {
			return (sum12[r] - sum12[l - 1]) + ((vis2[0][l] + vis2[1][l] < 2) && !isNew(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;
}

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 142 ms 4300 KB Output is correct
2 Correct 146 ms 4428 KB Output is correct
3 Correct 170 ms 4556 KB Output is correct
4 Correct 164 ms 4528 KB Output is correct
5 Correct 144 ms 4444 KB Output is correct
6 Correct 3 ms 4172 KB Output is correct
7 Correct 3 ms 4172 KB Output is correct
8 Correct 3 ms 4300 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 153 ms 4464 KB Output is correct
12 Correct 158 ms 4472 KB Output is correct
13 Correct 149 ms 4472 KB Output is correct
14 Correct 146 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 -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4172 KB Output is correct
2 Runtime error 2 ms 588 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 142 ms 4300 KB Output is correct
2 Correct 146 ms 4428 KB Output is correct
3 Correct 170 ms 4556 KB Output is correct
4 Correct 164 ms 4528 KB Output is correct
5 Correct 144 ms 4444 KB Output is correct
6 Correct 3 ms 4172 KB Output is correct
7 Correct 3 ms 4172 KB Output is correct
8 Correct 3 ms 4300 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 153 ms 4464 KB Output is correct
12 Correct 158 ms 4472 KB Output is correct
13 Correct 149 ms 4472 KB Output is correct
14 Correct 146 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 -

Subtask #5
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 142 ms 4300 KB Output is correct
2 Correct 146 ms 4428 KB Output is correct
3 Correct 170 ms 4556 KB Output is correct
4 Correct 164 ms 4528 KB Output is correct
5 Correct 144 ms 4444 KB Output is correct
6 Correct 3 ms 4172 KB Output is correct
7 Correct 3 ms 4172 KB Output is correct
8 Correct 3 ms 4300 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 153 ms 4464 KB Output is correct
12 Correct 158 ms 4472 KB Output is correct
13 Correct 149 ms 4472 KB Output is correct
14 Correct 146 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 -