oj.uz

Submission #884954

# Submission time Handle Problem Language Result Execution time Memory
884954 2023-12-08T18:05:18 Z maxFedorchuk Dango Maker (JOI18_dango_maker) C++17
33 / 100
 2000 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

const long long MX=2020;

long long mtr[MX][MX];
char ch[MX][MX];


const long long MXK=MX*MX;
vector < long long > mas[2*MXK];
long long usea[2*MXK];
long long pr[2*MXK];

long long timer=0,koma,komb;

bool khuna(long long zar)
{
    if(usea[zar])
    {
        return 0;
    }

    usea[zar]=1;

    for(auto u:mas[zar])
    {
        if(pr[u]==0)
        {
            pr[zar]=u;
            pr[u]=zar;
            return 1;
        }
    }

    for(auto u:mas[zar])
    {
        if(khuna(pr[u]))
        {
            pr[zar]=u;
            pr[u]=zar;
            return 1;
        }
    }

    return 0;
}
void kntkhuna()
{
    while(true)
    {
        fill(usea+1,usea+1+timer,0);

        bool p=0;

        for(long long i=1;i<=koma;i++)
        {
            if(pr[i]==0)
            {
                if(khuna(i))
                {
                    p=1;
                }
            }
        }

        if(!p)
        {
            return;
        }
    }

    return;
}

void DFS(long long zar)
{
    usea[zar]=1;

    if(zar<=koma)
    {
        for(auto u:mas[zar])
        {
            if(pr[u]!=zar && usea[u]==0)
            {
                DFS(u);
            }
        }
    }
    else
    {
        if(usea[pr[zar]]==0)
        {
            DFS(pr[zar]);
        }
    }

    return;
}
int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    long long n,m;
    cin>>n>>m;

    for(long long i=1;i<=n;i++)
    {
        for(long long j=1;j<=m;j++)
        {
            cin>>ch[i][j];
        }
    }

    for(long long i=1;i<=n;i++)
    {
        for(long long j=1;(j+2)<=m;j++)
        {
            if(ch[i][j]=='R' && ch[i][j+1]=='G' && ch[i][j+2]=='W')
            {
                timer++;
                mtr[i][j]=timer;
            }
        }
    }
    koma=timer;


    for(long long i=1;(i+2)<=n;i++)
    {
        for(long long j=1;j<=m;j++)
        {
            if(ch[i][j]=='R' && ch[i+1][j]=='G' && ch[i+2][j]=='W')
            {
                timer++;

                for(long long corx=i;corx<=(i+2);corx++)
                {
                    for(long long cory=max(1LL,j-2);cory<=j;cory++)
                    {
                        if(mtr[corx][cory])
                        {
                            mas[mtr[corx][cory]].push_back(timer);
                            mas[timer].push_back(mtr[corx][cory]);
                        }
                    }
                }
            }
        }
    }
    komb=timer-koma;

    if(koma==0)
    {
        cout<<komb<<"\n";
        return 0;
    }

    if(komb==0)
    {
        cout<<koma<<"\n";
        return 0;
    }

    kntkhuna();
    fill(usea+1,usea+koma+komb+1,0);

    for(long long i=1;i<=koma;i++)
    {
        if(pr[i]==0)
        {
            DFS(i);
        }
    }

    long long res=0;
    for(long long i=1;i<=koma;i++)
    {
        res+=(usea[i]==1);
    }

    for(long long i=(koma+1);i<=(koma+komb);i++)
    {
        res+=(usea[i]==0);
    }

    cout<<res<<"\n";
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 193108 KB Output is correct
2 Correct 43 ms 193236 KB Output is correct
3 Correct 42 ms 193116 KB Output is correct
4 Correct 42 ms 193280 KB Output is correct
5 Correct 43 ms 193108 KB Output is correct
6 Correct 44 ms 197200 KB Output is correct
7 Correct 42 ms 197208 KB Output is correct
8 Correct 43 ms 197212 KB Output is correct
9 Correct 46 ms 197196 KB Output is correct
10 Correct 42 ms 193332 KB Output is correct
11 Correct 43 ms 197384 KB Output is correct
12 Correct 45 ms 197440 KB Output is correct
13 Correct 43 ms 197212 KB Output is correct
14 Correct 42 ms 193332 KB Output is correct
15 Correct 42 ms 193192 KB Output is correct
16 Correct 42 ms 193108 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 193108 KB Output is correct
2 Correct 43 ms 193236 KB Output is correct
3 Correct 42 ms 193116 KB Output is correct
4 Correct 42 ms 193280 KB Output is correct
5 Correct 43 ms 193108 KB Output is correct
6 Correct 44 ms 197200 KB Output is correct
7 Correct 42 ms 197208 KB Output is correct
8 Correct 43 ms 197212 KB Output is correct
9 Correct 46 ms 197196 KB Output is correct
10 Correct 42 ms 193332 KB Output is correct
11 Correct 43 ms 197384 KB Output is correct
12 Correct 45 ms 197440 KB Output is correct
13 Correct 43 ms 197212 KB Output is correct
14 Correct 42 ms 193332 KB Output is correct
15 Correct 42 ms 193192 KB Output is correct
16 Correct 42 ms 193108 KB Output is correct
17 Correct 43 ms 197432 KB Output is correct
18 Correct 42 ms 197200 KB Output is correct
19 Correct 43 ms 197208 KB Output is correct
20 Correct 43 ms 197212 KB Output is correct
21 Correct 42 ms 197204 KB Output is correct
22 Correct 43 ms 197204 KB Output is correct
23 Correct 43 ms 197200 KB Output is correct
24 Correct 43 ms 195412 KB Output is correct
25 Correct 43 ms 193156 KB Output is correct
26 Correct 42 ms 193160 KB Output is correct
27 Correct 44 ms 197212 KB Output is correct
28 Correct 42 ms 197304 KB Output is correct
29 Correct 43 ms 197204 KB Output is correct
30 Correct 44 ms 193296 KB Output is correct
31 Correct 42 ms 193108 KB Output is correct
32 Correct 42 ms 193108 KB Output is correct
33 Correct 43 ms 197436 KB Output is correct
34 Correct 42 ms 197212 KB Output is correct
35 Correct 43 ms 197332 KB Output is correct
36 Correct 42 ms 197200 KB Output is correct
37 Correct 42 ms 197432 KB Output is correct
38 Correct 42 ms 197208 KB Output is correct
39 Correct 42 ms 197212 KB Output is correct
40 Correct 42 ms 197352 KB Output is correct
41 Correct 43 ms 197204 KB Output is correct
42 Correct 42 ms 197212 KB Output is correct
43 Correct 43 ms 197204 KB Output is correct
44 Correct 43 ms 197204 KB Output is correct
45 Correct 42 ms 197204 KB Output is correct
46 Correct 43 ms 197256 KB Output is correct
47 Correct 43 ms 197348 KB Output is correct
48 Correct 45 ms 197724 KB Output is correct
49 Correct 44 ms 197212 KB Output is correct
50 Correct 43 ms 197452 KB Output is correct
51 Correct 43 ms 197680 KB Output is correct
52 Correct 43 ms 197208 KB Output is correct
53 Correct 43 ms 197548 KB Output is correct

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 193108 KB Output is correct
2 Correct 43 ms 193236 KB Output is correct
3 Correct 42 ms 193116 KB Output is correct
4 Correct 42 ms 193280 KB Output is correct
5 Correct 43 ms 193108 KB Output is correct
6 Correct 44 ms 197200 KB Output is correct
7 Correct 42 ms 197208 KB Output is correct
8 Correct 43 ms 197212 KB Output is correct
9 Correct 46 ms 197196 KB Output is correct
10 Correct 42 ms 193332 KB Output is correct
11 Correct 43 ms 197384 KB Output is correct
12 Correct 45 ms 197440 KB Output is correct
13 Correct 43 ms 197212 KB Output is correct
14 Correct 42 ms 193332 KB Output is correct
15 Correct 42 ms 193192 KB Output is correct
16 Correct 42 ms 193108 KB Output is correct
17 Correct 43 ms 197432 KB Output is correct
18 Correct 42 ms 197200 KB Output is correct
19 Correct 43 ms 197208 KB Output is correct
20 Correct 43 ms 197212 KB Output is correct
21 Correct 42 ms 197204 KB Output is correct
22 Correct 43 ms 197204 KB Output is correct
23 Correct 43 ms 197200 KB Output is correct
24 Correct 43 ms 195412 KB Output is correct
25 Correct 43 ms 193156 KB Output is correct
26 Correct 42 ms 193160 KB Output is correct
27 Correct 44 ms 197212 KB Output is correct
28 Correct 42 ms 197304 KB Output is correct
29 Correct 43 ms 197204 KB Output is correct
30 Correct 44 ms 193296 KB Output is correct
31 Correct 42 ms 193108 KB Output is correct
32 Correct 42 ms 193108 KB Output is correct
33 Correct 43 ms 197436 KB Output is correct
34 Correct 42 ms 197212 KB Output is correct
35 Correct 43 ms 197332 KB Output is correct
36 Correct 42 ms 197200 KB Output is correct
37 Correct 42 ms 197432 KB Output is correct
38 Correct 42 ms 197208 KB Output is correct
39 Correct 42 ms 197212 KB Output is correct
40 Correct 42 ms 197352 KB Output is correct
41 Correct 43 ms 197204 KB Output is correct
42 Correct 42 ms 197212 KB Output is correct
43 Correct 43 ms 197204 KB Output is correct
44 Correct 43 ms 197204 KB Output is correct
45 Correct 42 ms 197204 KB Output is correct
46 Correct 43 ms 197256 KB Output is correct
47 Correct 43 ms 197348 KB Output is correct
48 Correct 45 ms 197724 KB Output is correct
49 Correct 44 ms 197212 KB Output is correct
50 Correct 43 ms 197452 KB Output is correct
51 Correct 43 ms 197680 KB Output is correct
52 Correct 43 ms 197208 KB Output is correct
53 Correct 43 ms 197548 KB Output is correct
54 Correct 43 ms 195256 KB Output is correct
55 Execution timed out 2316 ms 262144 KB Time limit exceeded
56 Halted 0 ms 0 KB -