oj.uz

Submission #403064

# Submission time Handle Problem Language Result Execution time Memory
403064 2021-05-12T17:34:25 Z BERNARB01 Land of the Rainbow Gold (APIO17_rainbow) C++17
0 / 100
 162 ms 4588 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]));
		}
	}
	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

# Verdict Execution time Memory Grader output
1 Correct 144 ms 4300 KB Output is correct
2 Correct 150 ms 4432 KB Output is correct
3 Correct 155 ms 4556 KB Output is correct
4 Correct 162 ms 4536 KB Output is correct
5 Correct 145 ms 4452 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 156 ms 4428 KB Output is correct
12 Correct 156 ms 4492 KB Output is correct
13 Correct 149 ms 4588 KB Output is correct
14 Correct 145 ms 4428 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Incorrect 1 ms 204 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# 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 -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 4300 KB Output is correct
2 Correct 150 ms 4432 KB Output is correct
3 Correct 155 ms 4556 KB Output is correct
4 Correct 162 ms 4536 KB Output is correct
5 Correct 145 ms 4452 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 156 ms 4428 KB Output is correct
12 Correct 156 ms 4492 KB Output is correct
13 Correct 149 ms 4588 KB Output is correct
14 Correct 145 ms 4428 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Incorrect 1 ms 204 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 4300 KB Output is correct
2 Correct 150 ms 4432 KB Output is correct
3 Correct 155 ms 4556 KB Output is correct
4 Correct 162 ms 4536 KB Output is correct
5 Correct 145 ms 4452 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 156 ms 4428 KB Output is correct
12 Correct 156 ms 4492 KB Output is correct
13 Correct 149 ms 4588 KB Output is correct
14 Correct 145 ms 4428 KB Output is correct
15 Correct 3 ms 4172 KB Output is correct
16 Incorrect 1 ms 204 KB Output isn't correct
17 Halted 0 ms 0 KB -