oj.uz

Submission #403099

# Submission time Handle Problem Language Result Execution time Memory
403099 2021-05-12T18:28:39 Z BERNARB01 Land of the Rainbow Gold (APIO17_rainbow) C++17
0 / 100
 180 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);
		}
	}
}

int isNew(int i) {
	return (vis[0][i] + vis[1][i] < 2) && (vis[0][i - 1] + vis[1][i - 1] == 2);
}

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] && vis2[0][i - 1]);
			sum2[i] = sum2[i - 1] + (!vis2[1][i] && vis2[1][i - 1]);
			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] + (vis2[0][l] + vis[0][l - 1] == 0);
			} else {
				return sum2[r] - sum2[l - 1] + (vis2[1][l] + vis[1][l - 1] == 0);
			}
		} 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

# Verdict Execution time Memory Grader output
1 Correct 142 ms 4304 KB Output is correct
2 Correct 152 ms 4444 KB Output is correct
3 Correct 158 ms 4556 KB Output is correct
4 Correct 180 ms 4536 KB Output is correct
5 Correct 171 ms 4436 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 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 178 ms 4588 KB Output is correct
12 Correct 157 ms 4484 KB Output is correct
13 Correct 152 ms 4588 KB Output is correct
14 Correct 167 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

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 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 616 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 142 ms 4304 KB Output is correct
2 Correct 152 ms 4444 KB Output is correct
3 Correct 158 ms 4556 KB Output is correct
4 Correct 180 ms 4536 KB Output is correct
5 Correct 171 ms 4436 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 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 178 ms 4588 KB Output is correct
12 Correct 157 ms 4484 KB Output is correct
13 Correct 152 ms 4588 KB Output is correct
14 Correct 167 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

# Verdict Execution time Memory Grader output
1 Correct 142 ms 4304 KB Output is correct
2 Correct 152 ms 4444 KB Output is correct
3 Correct 158 ms 4556 KB Output is correct
4 Correct 180 ms 4536 KB Output is correct
5 Correct 171 ms 4436 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 4172 KB Output is correct
9 Correct 3 ms 4172 KB Output is correct
10 Correct 3 ms 4172 KB Output is correct
11 Correct 178 ms 4588 KB Output is correct
12 Correct 157 ms 4484 KB Output is correct
13 Correct 152 ms 4588 KB Output is correct
14 Correct 167 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 -