oj.uz

Submission #919275

# Submission time Handle Problem Language Result Execution time Memory
919275 2024-01-31T14:00:58 Z boris_mihov Land of the Rainbow Gold (APIO17_rainbow) C++17
38 / 100
 70 ms 18076 KB 
#include "rainbow.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>

typedef long long llong;
const int MAXN = 1000 + 10;
const int INF  = 1e9;

int n, m;
int vertex[MAXN][MAXN];
int edgesRight[MAXN][MAXN];
int edgesDown[MAXN][MAXN];
int sides[MAXN][MAXN];
bool t[MAXN][MAXN];
int minX = INF;
int maxX;
int minY = INF;
int maxY;

void init(int R, int C, int sr, int sc, int M, char *S) 
{
    n = R;
    m = C;

    for (int i = 0 ; i < M ; ++i)
    {
        minX = std::min(minX, sr);
        maxX = std::max(maxX, sr);
        minY = std::min(minY, sc);
        maxY = std::max(maxY, sc);
        t[sr][sc] = 1;
        if (S[i] == 'N')
        {
            sr--;
        } else if (S[i] == 'E')
        {
            sc++;
        } else if (S[i] == 'S')
        {
            sr++;
        } else if (S[i] == 'W')
        {
            sc--;
        } else
        {
            assert(false);
        }
    }

    t[sr][sc] = 1;
    minX = std::min(minX, sr);
    maxX = std::max(maxX, sr);
    minY = std::min(minY, sc);
    maxY = std::max(maxY, sc);

    for (int i = 1 ; i <= n ; ++i)
    {
        for (int j = 1 ; j <= m ; ++j)
        {
            vertex[i][j] = t[i][j];
            if (i < n) edgesDown[i][j] = t[i][j] || t[i + 1][j];
            if (j < m) edgesRight[i][j] = t[i][j] || t[i][j + 1];
            if (i < n && j < m) sides[i][j] = t[i][j] || t[i][j + 1] || t[i + 1][j] || t[i + 1][j + 1];
        }
    }

    for (int i = 1 ; i <= n ; ++i)
    {
        for (int j = 1 ; j <= m ; ++j)
        {
            vertex[i][j] += vertex[i - 1][j] + vertex[i][j - 1] - vertex[i - 1][j - 1];
            edgesRight[i][j] += edgesRight[i - 1][j] + edgesRight[i][j - 1] - edgesRight[i - 1][j - 1];
            edgesDown[i][j] += edgesDown[i - 1][j] + edgesDown[i][j - 1] - edgesDown[i - 1][j - 1];
            sides[i][j] += sides[i - 1][j] + sides[i][j - 1] - sides[i - 1][j - 1];
        }
    }
}

int calc(int prefix[][MAXN], int fromX, int fromY, int toX, int toY)
{
    if (fromX > toX || fromY > toY) return 0;
    return (toX - fromX + 1) * (toY - fromY + 1) - (prefix[toX][toY] - prefix[fromX - 1][toY] - prefix[toX][fromY - 1] + prefix[fromX - 1][fromY - 1]);
}

int colour(int ar, int ac, int br, int bc) 
{
    int res = 0;
    res += calc(vertex, ar, ac, br, bc);
    res += calc(sides, ar, ac, br - 1, bc - 1);
    if (ar < minX && ac < minY && br > maxX && bc > maxY) // another side
    {
        res++;
    }

    res -= calc(edgesRight, ar, ac, br, bc - 1);
    res -= calc(edgesDown, ar, ac, br - 1, bc);
    return res;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8536 KB Output is correct
2 Correct 2 ms 8536 KB Output is correct
3 Correct 2 ms 8536 KB Output is correct
4 Correct 2 ms 8540 KB Output is correct
5 Correct 2 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 1 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 1 ms 8536 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8536 KB Output is correct
14 Correct 2 ms 8536 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 2 ms 8536 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8536 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Incorrect 45 ms 9504 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Runtime error 1 ms 856 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8536 KB Output is correct
2 Correct 2 ms 8536 KB Output is correct
3 Correct 2 ms 8536 KB Output is correct
4 Correct 2 ms 8540 KB Output is correct
5 Correct 2 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 1 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 1 ms 8536 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8536 KB Output is correct
14 Correct 2 ms 8536 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 2 ms 8536 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct
18 Correct 66 ms 18076 KB Output is correct
19 Correct 42 ms 9300 KB Output is correct
20 Correct 42 ms 9296 KB Output is correct
21 Correct 43 ms 9300 KB Output is correct
22 Correct 49 ms 11600 KB Output is correct
23 Correct 43 ms 9296 KB Output is correct
24 Correct 42 ms 9296 KB Output is correct
25 Correct 42 ms 9304 KB Output is correct
26 Correct 44 ms 11344 KB Output is correct
27 Correct 61 ms 17744 KB Output is correct
28 Correct 66 ms 17740 KB Output is correct
29 Correct 70 ms 17744 KB Output is correct
30 Correct 66 ms 18000 KB Output is correct
31 Correct 3 ms 8540 KB Output is correct
32 Correct 49 ms 17812 KB Output is correct

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8536 KB Output is correct
2 Correct 2 ms 8536 KB Output is correct
3 Correct 2 ms 8536 KB Output is correct
4 Correct 2 ms 8540 KB Output is correct
5 Correct 2 ms 8536 KB Output is correct
6 Correct 1 ms 8536 KB Output is correct
7 Correct 1 ms 8536 KB Output is correct
8 Correct 1 ms 8536 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 1 ms 8536 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8536 KB Output is correct
14 Correct 2 ms 8536 KB Output is correct
15 Correct 1 ms 2648 KB Output is correct
16 Correct 2 ms 8536 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct
18 Correct 66 ms 18076 KB Output is correct
19 Correct 42 ms 9300 KB Output is correct
20 Correct 42 ms 9296 KB Output is correct
21 Correct 43 ms 9300 KB Output is correct
22 Correct 49 ms 11600 KB Output is correct
23 Correct 43 ms 9296 KB Output is correct
24 Correct 42 ms 9296 KB Output is correct
25 Correct 42 ms 9304 KB Output is correct
26 Correct 44 ms 11344 KB Output is correct
27 Correct 61 ms 17744 KB Output is correct
28 Correct 66 ms 17740 KB Output is correct
29 Correct 70 ms 17744 KB Output is correct
30 Correct 66 ms 18000 KB Output is correct
31 Correct 3 ms 8540 KB Output is correct
32 Correct 49 ms 17812 KB Output is correct
33 Runtime error 1 ms 856 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -