Submission #403061

# Submission time Handle Problem Language Result Execution time Memory
403061 2021-05-12T17:30:52 Z BERNARB01 Land of the Rainbow Gold (APIO17_rainbow) C++17
0 / 100
190 ms 4580 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) {
		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]);
		}
	}
}

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 (2 * len - (sum12[r] - sum12[l - 1]));
		}
	}
	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;
}
# Verdict Execution time Memory Grader output
1 Correct 146 ms 4300 KB Output is correct
2 Correct 150 ms 4432 KB Output is correct
3 Correct 164 ms 4556 KB Output is correct
4 Correct 164 ms 4528 KB Output is correct
5 Correct 165 ms 4428 KB Output is correct
6 Correct 4 ms 4172 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 4172 KB Output is correct
11 Correct 159 ms 4580 KB Output is correct
12 Correct 190 ms 4476 KB Output is correct
13 Correct 147 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 -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory 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 -
# Verdict Execution time Memory Grader output
1 Correct 146 ms 4300 KB Output is correct
2 Correct 150 ms 4432 KB Output is correct
3 Correct 164 ms 4556 KB Output is correct
4 Correct 164 ms 4528 KB Output is correct
5 Correct 165 ms 4428 KB Output is correct
6 Correct 4 ms 4172 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 4172 KB Output is correct
11 Correct 159 ms 4580 KB Output is correct
12 Correct 190 ms 4476 KB Output is correct
13 Correct 147 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 -
# Verdict Execution time Memory Grader output
1 Correct 146 ms 4300 KB Output is correct
2 Correct 150 ms 4432 KB Output is correct
3 Correct 164 ms 4556 KB Output is correct
4 Correct 164 ms 4528 KB Output is correct
5 Correct 165 ms 4428 KB Output is correct
6 Correct 4 ms 4172 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 4172 KB Output is correct
11 Correct 159 ms 4580 KB Output is correct
12 Correct 190 ms 4476 KB Output is correct
13 Correct 147 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 -