oj.uz

Submission #850291

# Submission time Handle Problem Language Result Execution time Memory
850291 2023-09-16T09:35:45 Z alexdd Amusement Park (JOI17_amusement_park) C++17
83 / 100
 20 ms 6360 KB 
#include "Joi.h"
#include<bits/stdc++.h>
using namespace std;
static bool visited[10005];
static bool visited2[10005];
static vector<int> ord;
static vector<int> con[10005];
static bool done[10005];
static int maxd[10005];
static int siz[10005];
static int parent[10005];
static int subtask;
static bool cmp(int x, int y)
{
    if(siz[x]<siz[y])
        return 1;
    if(siz[x]>siz[y])
        return 0;
    if(maxd[x]<maxd[y])
        return 1;
    if(maxd[x]>maxd[y])
        return 0;
    return x<y;
}
static void dfs_init(int nod)
{
    visited2[nod]=1;
    siz[nod]=1;
    maxd[nod]=1;
    for(auto adj:con[nod])
    {
        if(!visited2[adj])
        {
            parent[adj]=nod;
            dfs_init(adj);
            maxd[nod]=max(maxd[nod],maxd[adj]+1);
            siz[nod]+=siz[adj];
        }
    }
}
static void dfs(int nod)
{
    visited[nod]=1;
    sort(con[nod].begin(),con[nod].end(),cmp);
    ord.push_back(nod);
    for(auto adj:con[nod])
    {
        if(!visited[adj])
        {
            dfs(adj);
            ord.push_back(nod);
        }
    }
}
void Joi(int N, int M, int A[], int B[], long long X, int T)
{
    if(T==5 && N>=240)
        T=4;
    subtask=T;
    ord.clear();
    for(int i=0;i<N;i++)
    {
        visited[i]=0;
        visited2[i]=0;
        con[i].clear();
        done[i]=0;
    }

    for(int i=0;i<M;i++)
    {
        con[A[i]].push_back(B[i]);
        con[B[i]].push_back(A[i]);
    }
    if(T!=5)
    {
        dfs_init(0);
        dfs(0);
    }
    else
    {
        for(int root=0;root<N;root++)
        {
            for(int i=0;i<N;i++)
            {
                visited[i]=0;
                visited2[i]=0;
            }
            dfs_init(root);
            dfs(root);
            if(root+1<N)
            {
                vector<int> cv;
                int cur=root+1;
                while(cur!=root)
                {
                    cv.push_back(cur);
                    cur=parent[cur];
                }
                for(int i=cv.size()-1;i>0;i--)
                {
                    ord.push_back(cv[i]);
                }
            }
        }
    }
    int cnt=0;
    for(int i=0;i<(int)ord.size();i++)
    {
        if(!done[ord[i]])
        {
            if(((1LL<<cnt)&X))
                MessageBoard(ord[i],1);
            else
                MessageBoard(ord[i],0);
            cnt=(cnt+1)%60;
            done[ord[i]]=1;
        }
    }
}



#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
static const int INF = 1e9;
static bool visited[10005];
static bool visited2[10005];
static vector<int> ord;
static vector<int> con[10005];
static bool done[10005];
static int p[50005];
static vector<int> poz[10005];
static int fr[65];
static int frst[65];
static int frdr[65];
static int care[10005];
static int maxd[10005];
static int siz[10005];
static int parent[10005];
static int subtask;
static bool cmp(int x, int y)
{
    if(siz[x]<siz[y])
        return 1;
    if(siz[x]>siz[y])
        return 0;
    if(maxd[x]<maxd[y])
        return 1;
    if(maxd[x]>maxd[y])
        return 0;
    return x<y;
}
static void dfs_init(int nod)
{
    visited2[nod]=1;
    siz[nod]=1;
    maxd[nod]=1;
    for(auto adj:con[nod])
    {
        if(!visited2[adj])
        {
            parent[adj]=nod;
            dfs_init(adj);
            maxd[nod]=max(maxd[nod],maxd[adj]+1);
            siz[nod]+=siz[adj];
        }
    }
}
static void dfs(int nod)
{
    visited[nod]=1;
    sort(con[nod].begin(),con[nod].end(),cmp);
    poz[nod].push_back(ord.size());
    ord.push_back(nod);
    for(auto adj:con[nod])
    {
        if(!visited[adj])
        {
            dfs(adj);
            poz[nod].push_back(ord.size());
            ord.push_back(nod);
        }
    }
}
static int calc_moves(int init)
{
    for(int i=0;i<60;i++)
    {
        frst[i]=0;
        frdr[i]=0;
    }
    int cntst=0,cntdr=0,pozst,pozdr;
    for(int i=init;i<(int)ord.size();i++)
    {
        if(frdr[p[i]]==0)
        {
            frdr[p[i]]=1;
            cntdr++;
            if(cntdr==60)
            {
                pozdr=i-init;
                break;
            }
        }
    }
    for(int i=init;i>=0;i--)
    {
        if(frst[p[i]]==0)
        {
            frst[p[i]]=1;
            cntst++;
            if(cntst==60)
            {
                pozst=init-i;
                break;
            }
        }
    }
    if((cntdr==60 && cntst<60) || (cntdr==60 && cntst==60 && pozdr<pozst) || (cntdr<60 && cntst<60 && init>ord.size()-init))
    {
        if(cntdr==60)
            return pozdr;
        return 2*((int)ord.size()-init) + init;
    }
    else
    {
        if(cntst==60)
            return pozst;
        return ((int)ord.size()-init) + 2*init;
    }
}
static long long solve(int init, int V)
{
    for(int i=0;i<60;i++)
    {
        frst[i]=0;
        frdr[i]=0;
        fr[i]=0;
    }
    int cntst=0,cntdr=0,pozst,pozdr;
    for(int i=init;i<(int)ord.size();i++)
    {
        if(frdr[p[i]]==0)
        {
            frdr[p[i]]=1;
            cntdr++;
            if(cntdr==60)
            {
                pozdr=i-init;
                break;
            }
        }
    }
    for(int i=init;i>=0;i--)
    {
        if(frst[p[i]]==0)
        {
            frst[p[i]]=1;
            cntst++;
            if(cntst==60)
            {
                pozst=init-i;
                break;
            }
        }
    }
    long long rez=0;
    int cate=0;
    if((cntdr==60 && cntst<60) || (cntdr==60 && cntst==60 && pozdr<pozst) || (cntdr<60 && cntst<60 && init>ord.size()-init))
    {
        for(int i=init;i<(int)ord.size();i++)
        {
            if(fr[p[i]]==0)
            {
                if(V==1) rez += (1LL<<(p[i]));
                fr[p[i]]=1;
                cate++;
                if(cate==60)
                    return rez;
            }
            if(i+1<(int)ord.size()) V = Move(ord[i+1]);
        }
        for(int i=(int)ord.size()-1;i>=0;i--)
        {
            if(fr[p[i]]==0)
            {
                if(V==1) rez += (1LL<<(p[i]));
                fr[p[i]]=1;
                cate++;
                if(cate==60)
                    return rez;
            }
            V = Move(ord[i-1]);
        }
    }
    else
    {
        for(int i=init;i>=0;i--)
        {
            if(fr[p[i]]==0)
            {
                if(V==1) rez += (1LL<<(p[i]));
                fr[p[i]]=1;
                cate++;
                if(cate==60)
                    return rez;
            }
            if(i-1>=0) V = Move(ord[i-1]);
        }
        for(int i=0;i<(int)ord.size();i++)
        {
            if(fr[p[i]]==0)
            {
                if(V==1) rez += (1LL<<(p[i]));
                fr[p[i]]=1;
                cate++;
                if(cate==60)
                    return rez;
            }
            V = Move(ord[i+1]);
        }
    }
    return rez;
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T)
{
    if(T==5 && N>=240)
        T=4;
    subtask=T;
    ord.clear();
    for(int i=0;i<N;i++)
    {
        visited[i]=0;
        visited2[i]=0;
        con[i].clear();
        poz[i].clear();
        done[i]=0;
    }

    for(int i=0;i<M;i++)
    {
        con[A[i]].push_back(B[i]);
        con[B[i]].push_back(A[i]);
    }
    if(T!=5)
    {
        dfs_init(0);
        dfs(0);
    }
    else
    {
        for(int root=0;root<N;root++)
        {
            for(int i=0;i<N;i++)
            {
                visited[i]=0;
                visited2[i]=0;
            }
            dfs_init(root);
            dfs(root);
            if(root+1<N)
            {
                vector<int> cv;
                int cur=root+1;
                while(cur!=root)
                {
                    cv.push_back(cur);
                    cur=parent[cur];
                }
                for(int i=cv.size()-1;i>0;i--)
                {
                    ord.push_back(cv[i]);
                }
            }
        }
    }
    int cnt=0;
    for(int i=0;i<(int)ord.size();i++)
    {
        if(!done[ord[i]])
        {
            care[ord[i]]=cnt;
            cnt=(cnt+1)%60;
            done[ord[i]]=1;
        }
        p[i]=care[ord[i]];
        //cout<<i<<" "<<ord[i]<<"  "<<p[i]<<" zzz\n";
    }

    int mnm=INF,idk=-1;
    for(auto x:poz[P])
    {
        int aux = calc_moves(x);
        if(aux<mnm)
        {
            mnm=aux;
            idk=x;
        }
    }
    return solve(idk,V);
}

Compilation message

Ioi.cpp: In function 'int calc_moves(int)':
Ioi.cpp:98:107: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |     if((cntdr==60 && cntst<60) || (cntdr==60 && cntst==60 && pozdr<pozst) || (cntdr<60 && cntst<60 && init>ord.size()-init))
      |                                                                                                       ~~~~^~~~~~~~~~~~~~~~
Ioi.cpp: In function 'long long int solve(int, int)':
Ioi.cpp:148:107: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  148 |     if((cntdr==60 && cntst<60) || (cntdr==60 && cntst==60 && pozdr<pozst) || (cntdr<60 && cntst<60 && init>ord.size()-init))
      |                                                                                                       ~~~~^~~~~~~~~~~~~~~~
Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:148:59: warning: 'pozst' may be used uninitialized in this function [-Wmaybe-uninitialized]
  148 |     if((cntdr==60 && cntst<60) || (cntdr==60 && cntst==60 && pozdr<pozst) || (cntdr<60 && cntst<60 && init>ord.size()-init))
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
Ioi.cpp:119:25: note: 'pozst' was declared here
  119 |     int cntst=0,cntdr=0,pozst,pozdr;
      |                         ^~~~~
Ioi.cpp:148:59: warning: 'pozdr' may be used uninitialized in this function [-Wmaybe-uninitialized]
  148 |     if((cntdr==60 && cntst<60) || (cntdr==60 && cntst==60 && pozdr<pozst) || (cntdr<60 && cntst<60 && init>ord.size()-init))
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
Ioi.cpp:119:31: note: 'pozdr' was declared here
  119 |     int cntst=0,cntdr=0,pozst,pozdr;
      |                               ^~~~~
Ioi.cpp:273:9: warning: 'pozst' may be used uninitialized in this function [-Wmaybe-uninitialized]
  273 |         if(aux<mnm)
      |         ^~
Ioi.cpp:273:9: warning: 'mnm' may be used uninitialized in this function [-Wmaybe-uninitialized]
Ioi.cpp:71:31: warning: 'pozdr' may be used uninitialized in this function [-Wmaybe-uninitialized]
   71 |     int cntst=0,cntdr=0,pozst,pozdr;
      |                               ^~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1556 KB Output is correct
2 Correct 1 ms 1552 KB Output is correct
3 Correct 2 ms 1552 KB Output is correct
4 Correct 1 ms 1564 KB Output is correct
5 Correct 1 ms 1556 KB Output is correct
6 Correct 2 ms 1556 KB Output is correct
7 Correct 2 ms 1560 KB Output is correct
8 Correct 2 ms 1572 KB Output is correct
9 Correct 3 ms 1560 KB Output is correct
10 Correct 1 ms 1556 KB Output is correct
11 Correct 5 ms 1896 KB Output is correct
12 Correct 0 ms 1556 KB Output is correct
13 Correct 2 ms 1572 KB Output is correct
14 Correct 2 ms 1564 KB Output is correct
15 Correct 2 ms 1564 KB Output is correct
16 Correct 2 ms 1572 KB Output is correct
17 Correct 2 ms 1568 KB Output is correct
18 Correct 2 ms 1564 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 6176 KB Output is correct
2 Correct 20 ms 6028 KB Output is correct
3 Correct 19 ms 6240 KB Output is correct
4 Correct 13 ms 3936 KB Output is correct
5 Correct 14 ms 4680 KB Output is correct
6 Correct 12 ms 4452 KB Output is correct
7 Correct 12 ms 4632 KB Output is correct
8 Correct 12 ms 4660 KB Output is correct
9 Correct 12 ms 4672 KB Output is correct
10 Correct 16 ms 4244 KB Output is correct
11 Correct 11 ms 4432 KB Output is correct
12 Correct 10 ms 3880 KB Output is correct
13 Correct 12 ms 4032 KB Output is correct
14 Correct 11 ms 3900 KB Output is correct
15 Correct 11 ms 3904 KB Output is correct
16 Correct 11 ms 3908 KB Output is correct
17 Correct 12 ms 3908 KB Output is correct
18 Correct 12 ms 3920 KB Output is correct
19 Correct 11 ms 3912 KB Output is correct
20 Correct 10 ms 4940 KB Output is correct
21 Correct 10 ms 4932 KB Output is correct
22 Correct 11 ms 4424 KB Output is correct
23 Correct 12 ms 4680 KB Output is correct
24 Correct 11 ms 4608 KB Output is correct
25 Correct 12 ms 4556 KB Output is correct
26 Correct 13 ms 4676 KB Output is correct
27 Correct 11 ms 4680 KB Output is correct
28 Correct 12 ms 4680 KB Output is correct
29 Correct 10 ms 4592 KB Output is correct
30 Correct 11 ms 4664 KB Output is correct
31 Correct 1 ms 1552 KB Output is correct
32 Correct 1 ms 1560 KB Output is correct
33 Correct 1 ms 1556 KB Output is correct
34 Correct 2 ms 1568 KB Output is correct
35 Correct 1 ms 1580 KB Output is correct
36 Correct 2 ms 1564 KB Output is correct
37 Correct 2 ms 1556 KB Output is correct
38 Correct 0 ms 1556 KB Output is correct
39 Correct 1 ms 1560 KB Output is correct
40 Correct 2 ms 1556 KB Output is correct
41 Correct 1 ms 1568 KB Output is correct
42 Correct 1 ms 1556 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1568 KB Output is correct
2 Correct 1 ms 1556 KB Output is correct
3 Correct 1 ms 1812 KB Output is correct
4 Correct 2 ms 2124 KB Output is correct
5 Correct 2 ms 2108 KB Output is correct
6 Correct 2 ms 2120 KB Output is correct
7 Correct 2 ms 2112 KB Output is correct
8 Correct 2 ms 2120 KB Output is correct
9 Correct 10 ms 5700 KB Output is correct
10 Correct 10 ms 5704 KB Output is correct
11 Correct 10 ms 5628 KB Output is correct
12 Correct 1 ms 1552 KB Output is correct
13 Correct 1 ms 1804 KB Output is correct
14 Correct 1 ms 1808 KB Output is correct
15 Correct 1 ms 1568 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 6184 KB Output is correct
2 Correct 19 ms 6268 KB Output is correct
3 Correct 20 ms 6360 KB Output is correct
4 Correct 11 ms 3904 KB Output is correct
5 Correct 12 ms 5188 KB Output is correct
6 Correct 12 ms 4684 KB Output is correct
7 Correct 13 ms 4684 KB Output is correct
8 Correct 13 ms 4416 KB Output is correct
9 Correct 12 ms 4420 KB Output is correct
10 Correct 13 ms 4296 KB Output is correct
11 Correct 12 ms 4280 KB Output is correct
12 Correct 11 ms 3884 KB Output is correct
13 Correct 10 ms 3884 KB Output is correct
14 Correct 11 ms 3892 KB Output is correct
15 Correct 11 ms 3924 KB Output is correct
16 Correct 11 ms 3888 KB Output is correct
17 Correct 11 ms 4068 KB Output is correct
18 Correct 11 ms 3916 KB Output is correct
19 Correct 11 ms 3908 KB Output is correct
20 Correct 10 ms 4924 KB Output is correct
21 Correct 10 ms 4852 KB Output is correct
22 Correct 12 ms 4684 KB Output is correct
23 Correct 12 ms 4508 KB Output is correct
24 Correct 12 ms 4660 KB Output is correct
25 Correct 12 ms 4676 KB Output is correct
26 Correct 11 ms 4680 KB Output is correct
27 Correct 12 ms 4680 KB Output is correct
28 Correct 11 ms 4600 KB Output is correct
29 Correct 11 ms 4400 KB Output is correct
30 Correct 11 ms 4672 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 6188 KB Output is correct
2 Correct 19 ms 6192 KB Output is correct
3 Correct 20 ms 6188 KB Output is correct
4 Correct 13 ms 3916 KB Output is correct
5 Correct 13 ms 5700 KB Output is correct
6 Correct 14 ms 4648 KB Output is correct
7 Correct 12 ms 4476 KB Output is correct
8 Correct 12 ms 4788 KB Output is correct
9 Correct 12 ms 4664 KB Output is correct
10 Correct 14 ms 4420 KB Output is correct
11 Correct 12 ms 4256 KB Output is correct
12 Correct 10 ms 3892 KB Output is correct
13 Correct 11 ms 4152 KB Output is correct
14 Correct 12 ms 4300 KB Output is correct
15 Correct 12 ms 4352 KB Output is correct
16 Correct 11 ms 3916 KB Output is correct
17 Correct 12 ms 3820 KB Output is correct
18 Correct 12 ms 3808 KB Output is correct
19 Correct 12 ms 3820 KB Output is correct
20 Correct 10 ms 4592 KB Output is correct
21 Correct 9 ms 4572 KB Output is correct
22 Correct 14 ms 4568 KB Output is correct
23 Correct 12 ms 4580 KB Output is correct
24 Correct 11 ms 4580 KB Output is correct
25 Correct 12 ms 4592 KB Output is correct
26 Correct 11 ms 4336 KB Output is correct
27 Correct 12 ms 4592 KB Output is correct
28 Correct 11 ms 4580 KB Output is correct
29 Correct 11 ms 4576 KB Output is correct
30 Correct 11 ms 4564 KB Output is correct
31 Correct 4 ms 2732 KB Output is correct
32 Runtime error 5 ms 4252 KB Execution killed with signal 11
33 Halted 0 ms 0 KB -