oj.uz

Submission #57285

# Submission time Handle Problem Language Result Execution time Memory
57285 2018-07-14T13:21:19 Z fredbr Land of the Rainbow Gold (APIO17_rainbow) C++17
11 / 100
 78 ms 6188 KB 
#include <bits/stdc++.h>
#include "rainbow.h"

using namespace std;

const int maxn = 110;
const int maxm = 202020;
int r, c;
char riv[maxn][maxm];
char vis[maxn][maxm];
int pini[3][maxm], pfim[3][maxm];

int soma1 = 0, soma2 = 0;

int dx[] = {1, 0, -1, 0};
int dy[] = {0, 1, 0, -1};

void dfs(int x, int y, int x1, int y1, int x2, int y2)
{
	vis[x][y] = 1;
	for (int i = 0; i < 4; i++) {

		int xx = x+dx[i];
		int yy = y+dy[i];
		if (xx < x1 or xx > x2 or yy < y1 or yy > y2) continue;
		if (riv[xx][yy] or vis[xx][yy]) continue;
		dfs(xx, yy, x1, y1, x2, y2);
	}
}

void init2()
{
	for (int i = 1; i <= c; i++) {

		if (!riv[1][i] and (i == 1 or riv[1][i-1]))
			pini[1][i]++;
		if (!riv[2][i] and (i == 1 or riv[2][i-1]))
			pini[2][i]++;
		if (!riv[1][i] and (i==c or riv[1][i+1]))
			pfim[1][i]++;
		if (!riv[2][i] and (i==c or riv[2][i+1]))
			pfim[2][i]++;

		if ((pini[1][i] and pini[2][i]) or
		    ((riv[1][i]^riv[2][i]) and (pini[1][i]|pini[2][i])))
			pini[0][i]++;

		if ((pfim[1] and pfim[2][i]) or
		    ((riv[1][i]^riv[2][i]) and (pfim[1][i]|pfim[2][i])))
		    pfim[0][i]++;

		pini[1][i] += pini[1][i-1];			
		pini[2][i] += pini[2][i-1];
		pfim[1][i] += pfim[1][i-1];	
		pfim[2][i] += pfim[2][i-1];
		pini[0][i] += pini[0][i-1];	
		pfim[0][i] += pfim[0][i-1];
	}
}

void init(int rr, int cc, int sr, int sc, int m, char* s)
{
	r = rr, c = cc;

	int x = sr, y = sc;
	riv[x][y] = 1;
	for (int i = 0; i < m; i++) {

		if (s[i] == 'N') x--;
		else if (s[i] == 'E') y++;
		else if (s[i] == 'S') x++;
		else y--;
		riv[x][y] = 1;
	}

	if (r == 2)
		init2();
}

int colour1(int x1, int y1, int x2, int y2)
{
	int ans = 0;

	for (int i = x1; i <= x2; i++)
		for (int j = y1; j <= y2; j++)
			vis[i][j] = 0;
	for (int i = x1; i <= x2; i++)
		for (int j = y1; j <= y2; j++)
			if (!riv[i][j] and !vis[i][j])
				dfs(i, j, x1, y1, x2, y2), ans++;

	return ans;
}

int colour2(int x1, int y1, int x2, int y2)
{
	if (y2 == 1) {

		int ans = pini[1][x2] - pfim[1][x1-1];
		return ans;
	}
	if (y1 == 2) {
		int ans = pini[2][x2] - pfim[2][x1-1];
		return ans;
	}
	return pini[0][x2]-pfim[0][x1-1];
}

int colour(int x1, int y1, int x2, int y2)
{
	if (r == 2 and c > 50)
		return colour2(x1, y1, x2, y2);
	else return colour1(x1, y1, x2, y2);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 9 ms 868 KB Output is correct
3 Correct 22 ms 1088 KB Output is correct
4 Correct 23 ms 1180 KB Output is correct
5 Correct 12 ms 1180 KB Output is correct
6 Correct 2 ms 1180 KB Output is correct
7 Correct 2 ms 1180 KB Output is correct
8 Correct 2 ms 1180 KB Output is correct
9 Correct 2 ms 1180 KB Output is correct
10 Correct 3 ms 1180 KB Output is correct
11 Correct 17 ms 1180 KB Output is correct
12 Correct 16 ms 1192 KB Output is correct
13 Correct 14 ms 1288 KB Output is correct
14 Correct 8 ms 1288 KB Output is correct
15 Correct 3 ms 1288 KB Output is correct
16 Correct 3 ms 1288 KB Output is correct
17 Correct 2 ms 1288 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1288 KB Output is correct
2 Correct 2 ms 1288 KB Output is correct
3 Incorrect 78 ms 6188 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1288 KB Output is correct
2 Runtime error 4 ms 6188 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 9 ms 868 KB Output is correct
3 Correct 22 ms 1088 KB Output is correct
4 Correct 23 ms 1180 KB Output is correct
5 Correct 12 ms 1180 KB Output is correct
6 Correct 2 ms 1180 KB Output is correct
7 Correct 2 ms 1180 KB Output is correct
8 Correct 2 ms 1180 KB Output is correct
9 Correct 2 ms 1180 KB Output is correct
10 Correct 3 ms 1180 KB Output is correct
11 Correct 17 ms 1180 KB Output is correct
12 Correct 16 ms 1192 KB Output is correct
13 Correct 14 ms 1288 KB Output is correct
14 Correct 8 ms 1288 KB Output is correct
15 Correct 3 ms 1288 KB Output is correct
16 Correct 3 ms 1288 KB Output is correct
17 Correct 2 ms 1288 KB Output is correct
18 Runtime error 4 ms 6188 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 9 ms 868 KB Output is correct
3 Correct 22 ms 1088 KB Output is correct
4 Correct 23 ms 1180 KB Output is correct
5 Correct 12 ms 1180 KB Output is correct
6 Correct 2 ms 1180 KB Output is correct
7 Correct 2 ms 1180 KB Output is correct
8 Correct 2 ms 1180 KB Output is correct
9 Correct 2 ms 1180 KB Output is correct
10 Correct 3 ms 1180 KB Output is correct
11 Correct 17 ms 1180 KB Output is correct
12 Correct 16 ms 1192 KB Output is correct
13 Correct 14 ms 1288 KB Output is correct
14 Correct 8 ms 1288 KB Output is correct
15 Correct 3 ms 1288 KB Output is correct
16 Correct 3 ms 1288 KB Output is correct
17 Correct 2 ms 1288 KB Output is correct
18 Runtime error 4 ms 6188 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -