oj.uz

Submission #919273

# Submission time Handle Problem Language Result Execution time Memory
919273 2024-01-31T13:58:51 Z boris_mihov Land of the Rainbow Gold (APIO17_rainbow) C++17
38 / 100
 71 ms 20816 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 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 3 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 2 ms 8536 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 2 ms 8792 KB Output is correct
11 Correct 3 ms 8536 KB Output is correct
12 Correct 2 ms 8792 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 2 ms 8536 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 2 ms 8536 KB Output is correct
17 Correct 2 ms 8536 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 2 ms 8536 KB Output is correct
3 Incorrect 42 ms 9560 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 2392 KB Output is correct
2 Runtime error 1 ms 600 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 3 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 2 ms 8536 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 2 ms 8792 KB Output is correct
11 Correct 3 ms 8536 KB Output is correct
12 Correct 2 ms 8792 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 2 ms 8536 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 2 ms 8536 KB Output is correct
17 Correct 2 ms 8536 KB Output is correct
18 Correct 68 ms 20816 KB Output is correct
19 Correct 43 ms 12112 KB Output is correct
20 Correct 40 ms 12056 KB Output is correct
21 Correct 42 ms 12044 KB Output is correct
22 Correct 49 ms 14356 KB Output is correct
23 Correct 41 ms 12124 KB Output is correct
24 Correct 41 ms 12064 KB Output is correct
25 Correct 40 ms 12120 KB Output is correct
26 Correct 42 ms 14160 KB Output is correct
27 Correct 66 ms 20816 KB Output is correct
28 Correct 71 ms 20796 KB Output is correct
29 Correct 68 ms 20560 KB Output is correct
30 Correct 69 ms 20816 KB Output is correct
31 Correct 3 ms 8536 KB Output is correct
32 Correct 52 ms 20560 KB Output is correct

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 2 ms 8536 KB Output is correct
9 Correct 2 ms 8536 KB Output is correct
10 Correct 2 ms 8792 KB Output is correct
11 Correct 3 ms 8536 KB Output is correct
12 Correct 2 ms 8792 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 2 ms 8536 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 2 ms 8536 KB Output is correct
17 Correct 2 ms 8536 KB Output is correct
18 Correct 68 ms 20816 KB Output is correct
19 Correct 43 ms 12112 KB Output is correct
20 Correct 40 ms 12056 KB Output is correct
21 Correct 42 ms 12044 KB Output is correct
22 Correct 49 ms 14356 KB Output is correct
23 Correct 41 ms 12124 KB Output is correct
24 Correct 41 ms 12064 KB Output is correct
25 Correct 40 ms 12120 KB Output is correct
26 Correct 42 ms 14160 KB Output is correct
27 Correct 66 ms 20816 KB Output is correct
28 Correct 71 ms 20796 KB Output is correct
29 Correct 68 ms 20560 KB Output is correct
30 Correct 69 ms 20816 KB Output is correct
31 Correct 3 ms 8536 KB Output is correct
32 Correct 52 ms 20560 KB Output is correct
33 Runtime error 1 ms 600 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -