oj.uz

Submission #116021

# Submission time Handle Problem Language Result Execution time Memory
116021 2019-06-10T08:16:29 Z oolimry Dango Maker (JOI18_dango_maker) C++14
33 / 100
 2000 ms 11124 KB 
#include <bits/stdc++.h>

using namespace std;
vector<int> vis, match;
vector<int> adj[200000];

int Aug(int u){
    if(vis[u]) return 0;
    vis[u] = 1;
    for(int j = 0;j < adj[u].size();j++){
        int r = adj[u][j];
        if(match[r] == -1 || Aug(match[r])){
            match[r] = u;
            return 1;
        }
    }
    return 0;
}
int main()
{
    //freopen("i.txt","r",stdin);
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int rows, cols;
    cin >> rows >> cols;

    int arr[rows][cols];
    for(int r = 0;r < rows;r++){
        string s;
        cin >> s;
        for(int c = 0;c < cols;c++){
            if(s[c] == 'R') arr[r][c] = 0;
            else if(s[c] == 'G') arr[r][c] = 1;
            else arr[r][c] = 2;
        }
    }

    typedef pair<int,int> ii;
    vector<ii> ver;
    vector<ii> hor;
    for(int r = 0;r < rows;r++){
        for(int c = 0;c < cols - 2;c++){
            if(arr[r][c] == 0 && arr[r][c+1] == 1 && arr[r][c+2] == 2){
                hor.push_back(ii(r,c));
            }
        }
    }

    for(int r = 0;r < rows - 2;r++){
        for(int c = 0;c < cols;c++){
            if(arr[r][c] == 0 && arr[r+1][c] == 1 && arr[r+2][c] == 2){
                ver.push_back(ii(r,c));
            }
        }
    }

    int n = ver.size();
    int m = hor.size();
    int V = n + m;
    //cout << ver[0].first << " " << ver[0].second << "\n";
    //cout << hor[1].first << " " << hor[1].second << "\n";
    for(int i = 0;i < n;i++){
        for(int j = 0;j < m;j++){
            set<ii> nodes;
            ii x = hor[j];
            nodes.insert(x);
            x.second++;
            nodes.insert(x);
            x.second++;
            nodes.insert(x);
            x.second++;

            ii y = ver[i];
            nodes.insert(y);
            y.first++;
            nodes.insert(y);
            y.first++;
            nodes.insert(y);
            y.first++;

            if(nodes.size() != 6){
                adj[i].push_back(j+n);
                //cout << i << " " << j << "\n";
            }
        }
    }

    int MCBM = 0;
    match.assign(V,-1);
    for(int i = 0;i < n;i++){
        vis.assign(n,0);
        MCBM += Aug(i);
    }
    cout << V - MCBM;
    return 0;
}

Compilation message

dango_maker.cpp: In function 'int Aug(int)':
dango_maker.cpp:10:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0;j < adj[u].size();j++){
                   ~~^~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5120 KB Output is correct
2 Correct 5 ms 4992 KB Output is correct
3 Correct 6 ms 4992 KB Output is correct
4 Correct 6 ms 5120 KB Output is correct
5 Correct 6 ms 4992 KB Output is correct
6 Correct 6 ms 4992 KB Output is correct
7 Correct 6 ms 5120 KB Output is correct
8 Correct 5 ms 4992 KB Output is correct
9 Correct 6 ms 5120 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 5 ms 4992 KB Output is correct
12 Correct 6 ms 4992 KB Output is correct
13 Correct 7 ms 5128 KB Output is correct
14 Correct 6 ms 4992 KB Output is correct
15 Correct 6 ms 4992 KB Output is correct
16 Correct 6 ms 5120 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5120 KB Output is correct
2 Correct 5 ms 4992 KB Output is correct
3 Correct 6 ms 4992 KB Output is correct
4 Correct 6 ms 5120 KB Output is correct
5 Correct 6 ms 4992 KB Output is correct
6 Correct 6 ms 4992 KB Output is correct
7 Correct 6 ms 5120 KB Output is correct
8 Correct 5 ms 4992 KB Output is correct
9 Correct 6 ms 5120 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 5 ms 4992 KB Output is correct
12 Correct 6 ms 4992 KB Output is correct
13 Correct 7 ms 5128 KB Output is correct
14 Correct 6 ms 4992 KB Output is correct
15 Correct 6 ms 4992 KB Output is correct
16 Correct 6 ms 5120 KB Output is correct
17 Correct 6 ms 4992 KB Output is correct
18 Correct 5 ms 4992 KB Output is correct
19 Correct 5 ms 4992 KB Output is correct
20 Correct 7 ms 5120 KB Output is correct
21 Correct 6 ms 4992 KB Output is correct
22 Correct 6 ms 5120 KB Output is correct
23 Correct 6 ms 4992 KB Output is correct
24 Correct 6 ms 4992 KB Output is correct
25 Correct 6 ms 5120 KB Output is correct
26 Correct 6 ms 4992 KB Output is correct
27 Correct 7 ms 5092 KB Output is correct
28 Correct 6 ms 4992 KB Output is correct
29 Correct 6 ms 4992 KB Output is correct
30 Correct 6 ms 4992 KB Output is correct
31 Correct 6 ms 5120 KB Output is correct
32 Correct 6 ms 4992 KB Output is correct
33 Correct 6 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 5120 KB Output is correct
38 Correct 6 ms 4992 KB Output is correct
39 Correct 7 ms 4992 KB Output is correct
40 Correct 6 ms 5120 KB Output is correct
41 Correct 7 ms 4992 KB Output is correct
42 Correct 6 ms 5120 KB Output is correct
43 Correct 6 ms 5120 KB Output is correct
44 Correct 6 ms 5120 KB Output is correct
45 Correct 6 ms 5120 KB Output is correct
46 Correct 6 ms 5120 KB Output is correct
47 Correct 6 ms 5120 KB Output is correct
48 Correct 7 ms 5120 KB Output is correct
49 Correct 6 ms 5120 KB Output is correct
50 Correct 7 ms 5120 KB Output is correct
51 Correct 6 ms 5120 KB Output is correct
52 Correct 6 ms 4992 KB Output is correct
53 Correct 6 ms 5120 KB Output is correct

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5120 KB Output is correct
2 Correct 5 ms 4992 KB Output is correct
3 Correct 6 ms 4992 KB Output is correct
4 Correct 6 ms 5120 KB Output is correct
5 Correct 6 ms 4992 KB Output is correct
6 Correct 6 ms 4992 KB Output is correct
7 Correct 6 ms 5120 KB Output is correct
8 Correct 5 ms 4992 KB Output is correct
9 Correct 6 ms 5120 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 5 ms 4992 KB Output is correct
12 Correct 6 ms 4992 KB Output is correct
13 Correct 7 ms 5128 KB Output is correct
14 Correct 6 ms 4992 KB Output is correct
15 Correct 6 ms 4992 KB Output is correct
16 Correct 6 ms 5120 KB Output is correct
17 Correct 6 ms 4992 KB Output is correct
18 Correct 5 ms 4992 KB Output is correct
19 Correct 5 ms 4992 KB Output is correct
20 Correct 7 ms 5120 KB Output is correct
21 Correct 6 ms 4992 KB Output is correct
22 Correct 6 ms 5120 KB Output is correct
23 Correct 6 ms 4992 KB Output is correct
24 Correct 6 ms 4992 KB Output is correct
25 Correct 6 ms 5120 KB Output is correct
26 Correct 6 ms 4992 KB Output is correct
27 Correct 7 ms 5092 KB Output is correct
28 Correct 6 ms 4992 KB Output is correct
29 Correct 6 ms 4992 KB Output is correct
30 Correct 6 ms 4992 KB Output is correct
31 Correct 6 ms 5120 KB Output is correct
32 Correct 6 ms 4992 KB Output is correct
33 Correct 6 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 5120 KB Output is correct
38 Correct 6 ms 4992 KB Output is correct
39 Correct 7 ms 4992 KB Output is correct
40 Correct 6 ms 5120 KB Output is correct
41 Correct 7 ms 4992 KB Output is correct
42 Correct 6 ms 5120 KB Output is correct
43 Correct 6 ms 5120 KB Output is correct
44 Correct 6 ms 5120 KB Output is correct
45 Correct 6 ms 5120 KB Output is correct
46 Correct 6 ms 5120 KB Output is correct
47 Correct 6 ms 5120 KB Output is correct
48 Correct 7 ms 5120 KB Output is correct
49 Correct 6 ms 5120 KB Output is correct
50 Correct 7 ms 5120 KB Output is correct
51 Correct 6 ms 5120 KB Output is correct
52 Correct 6 ms 4992 KB Output is correct
53 Correct 6 ms 5120 KB Output is correct
54 Correct 5 ms 4992 KB Output is correct
55 Correct 6 ms 4992 KB Output is correct
56 Correct 560 ms 5196 KB Output is correct
57 Correct 696 ms 5240 KB Output is correct
58 Execution timed out 2060 ms 11124 KB Time limit exceeded
59 Halted 0 ms 0 KB -