oj.uz

Submission #408612

# Submission time Handle Problem Language Result Execution time Memory
408612 2021-05-19T09:30:20 Z syl123456 Land of the Rainbow Gold (APIO17_rainbow) C++17
11 / 100
 3000 ms 1048580 KB 
#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<bool>> b;
vector<int> p;
int m;
void init(int R, int C, int sr, int sc, int M, char *S) {
    m = C;
    b.assign(R, vector<bool>(C, false));
    p.resize(R * C);
    --sr, --sc;
    b[sr][sc] = true;
    for (int i = 0; i < M; ++i) {
        if (S[i] == 'N') --sr;
        else if (S[i] == 'S') ++sr;
        else if (S[i] == 'W') --sc;
        else ++sc;
        b[sr][sc] = true;
    }
}

int colour(int ar, int ac, int br, int bc) {
    --ar, --ac;
    int _ = 0;
    for (int i = ar; i < br; ++i) for (int j = ac; j < bc; ++j)
        p[i * m + j] = i * m + j;
    function<int(int)> find = [&](int i) {
        return p[i] = p[i] == i ? i : find(p[i]);
    };
    for (int i = ar; i < br; ++i) for (int j = ac; j < bc; ++j) if (!b[i][j]) {
        if (i < br - 1 && !b[i + 1][j])
            p[find(i * m + j)] = find((i + 1) * m + j);
        if (j < bc - 1 && !b[i][j + 1])
            p[find(i * m + j)] = find(i * m + j + 1);
    }
    int ans = 0;
    for (int i = ar; i < br; ++i) for (int j = ac; j < bc; ++j) if (!b[i][j])
        ans += find(i * m + j) == i * m + j;
    return ans;
}

Compilation message

rainbow.cpp: In function 'int colour(int, int, int, int)':
rainbow.cpp:24:9: warning: unused variable '_' [-Wunused-variable]
   24 |     int _ = 0;
      |         ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 25 ms 312 KB Output is correct
3 Correct 96 ms 292 KB Output is correct
4 Correct 98 ms 292 KB Output is correct
5 Correct 23 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 70 ms 416 KB Output is correct
12 Correct 54 ms 204 KB Output is correct
13 Correct 22 ms 312 KB Output is correct
14 Correct 9 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Execution timed out 3058 ms 10728 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Runtime error 433 ms 1048580 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 25 ms 312 KB Output is correct
3 Correct 96 ms 292 KB Output is correct
4 Correct 98 ms 292 KB Output is correct
5 Correct 23 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 70 ms 416 KB Output is correct
12 Correct 54 ms 204 KB Output is correct
13 Correct 22 ms 312 KB Output is correct
14 Correct 9 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Execution timed out 3045 ms 4496 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 204 KB Output is correct
2 Correct 25 ms 312 KB Output is correct
3 Correct 96 ms 292 KB Output is correct
4 Correct 98 ms 292 KB Output is correct
5 Correct 23 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 70 ms 416 KB Output is correct
12 Correct 54 ms 204 KB Output is correct
13 Correct 22 ms 312 KB Output is correct
14 Correct 9 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Execution timed out 3045 ms 4496 KB Time limit exceeded
19 Halted 0 ms 0 KB -