oj.uz

Submission #697173

# Submission time Handle Problem Language Result Execution time Memory
697173 2023-02-08T17:23:20 Z bin9638 Raspad (COI17_raspad) C++17
61 / 100
 6000 ms 48460 KB 
#include<bits/stdc++.h>

using namespace std;
#define N  100010
#define ll long long
#define ii pair<int,int>
#define fs first
#define sc second
#define pb push_back
#define iii pair<int,ii>
#define int ll

int f[N],a[N][55],n,m;

struct haha
{
    int val=0,sum=0,sl=0,cnt[55]={},id[55]={},ktr[55]={};

    int get(int mod)
    {
        int res=0;
        for(int i=1;i<=m;i++)
            res=(res+f[i]%mod*id[i])%mod;
        return res;
    }

    void DFS(int u,int dem,int h)
    {
        ktr[u]=dem;
        if(ktr[u-1]==0&&a[h][u-1]==1)
            DFS(u-1,dem,h);
        if(ktr[u+1]==0&&a[h][u+1]==1)
            DFS(u+1,dem,h);
        for(int i=1;i<=m;i++)
            if(ktr[i]==0&&id[i]==id[u])
                DFS(i,dem,h);
    }

    void build(int h)
    {
        memset(cnt,0,sizeof(cnt));
        for(int i=1;i<=m;i++)
            if(id[i]!=0)
                cnt[id[i]]=1;
        int dem=m+1;
        for(int i=1;i<=m;i++)
            if(a[h][i]==0)
                id[i]=0;
                else{
                    if(id[i]==0)
                        id[i]=++dem;
                }
        for(int i=1;i<=m;i++)
            if(id[i]!=0&&id[i]<=m)
                cnt[id[i]]=0;
        for(int i=1;i<=m;i++)
            if(cnt[i]>0)
                sum+=sl;
        dem=0;
        memset(ktr,0,sizeof(ktr));
        for(int i=1;i<=m;i++)
            if(ktr[i]==0&&id[i]!=0)
            {
                dem++;
                DFS(i,dem,h);
            }
        for(int i=1;i<=m;i++)
            id[i]=ktr[i];
        val=get(1e9+8277)*1e9+get(1e9+9277);
    }

    int solve()
    {
        memset(cnt,0,sizeof(cnt));
         for(int i=1;i<=m;i++)
            if(id[i]!=0)
                cnt[id[i]]=1;
        int res=0;
        for(int i=1;i<=m;i++)
            if(cnt[i]!=0)
                res++;
        return res;
    }

    bool operator<(const haha&A)const
    {
        return val<A.val;
    }
};
vector<haha>s,luu;

int32_t main()
{
   // freopen("A.inp","r",stdin);
   // freopen("A.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        string s;
        cin>>s;
        s=" "+s;
        for(int j=1;j<=m;j++)
        {
            a[i][j]=(s[j]-'0');
          ///  cout<<i<<" "<<j<<" "<<a[i][j]<<endl;
        }
    }
    for(int i=1;i<=m;i++)
        f[i]=1ll*rand()*rand()*rand();
    int ans=0;
    for(int i=1;i<=n;i++)
    {
        s.emplace_back();
        s.back().sl=1;
        for(int j=0;j<s.size();j++)
            s[j].build(i);
        sort(s.begin(),s.end());
        luu.clear();
        while(!s.empty())
        {
            haha cc=s.back();
            s.pop_back();
            if(!s.empty()&&s.back().val==cc.val)
            {
                s.back().sum+=cc.sum;
                s.back().sl+=cc.sl;
            }else
            {
                luu.pb(cc);
            }
        }
        s=luu;
          //cout<<i<<endl;
        // for(auto cc:s)
         {
             //cout<<cc.val<<" "<<cc.sum<<" "<<cc.sl<<" "<<cc.solve()<<endl;
           //  for(int i=1;i<=m;i++)cout<<cc.id[i]<<" ";cout<<endl;
         }
        for(auto cc:s)
            ans+=cc.sum+cc.solve()*cc.sl;
       // cout<<ans<<endl;
    }
    cout<<ans;
    return 0;
}

Compilation message

raspad.cpp: In function 'int32_t main()':
raspad.cpp:118:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<haha>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |         for(int j=0;j<s.size();j++)
      |                     ~^~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 4 ms 336 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 340 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 4 ms 336 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 7 ms 724 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 33 ms 852 KB Output is correct
10 Correct 9 ms 776 KB Output is correct
11 Correct 16 ms 836 KB Output is correct
12 Correct 27 ms 724 KB Output is correct
13 Correct 21 ms 808 KB Output is correct

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 22588 KB Output is correct
2 Correct 234 ms 44944 KB Output is correct
3 Correct 484 ms 45092 KB Output is correct
4 Correct 137 ms 40480 KB Output is correct
5 Correct 89 ms 13724 KB Output is correct
6 Correct 297 ms 45072 KB Output is correct
7 Correct 450 ms 44908 KB Output is correct
8 Correct 230 ms 36036 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 4 ms 336 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 7 ms 724 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 33 ms 852 KB Output is correct
10 Correct 9 ms 776 KB Output is correct
11 Correct 16 ms 836 KB Output is correct
12 Correct 27 ms 724 KB Output is correct
13 Correct 21 ms 808 KB Output is correct
14 Correct 87 ms 22588 KB Output is correct
15 Correct 234 ms 44944 KB Output is correct
16 Correct 484 ms 45092 KB Output is correct
17 Correct 137 ms 40480 KB Output is correct
18 Correct 89 ms 13724 KB Output is correct
19 Correct 297 ms 45072 KB Output is correct
20 Correct 450 ms 44908 KB Output is correct
21 Correct 230 ms 36036 KB Output is correct
22 Correct 809 ms 38016 KB Output is correct
23 Correct 3809 ms 48412 KB Output is correct
24 Correct 3684 ms 48420 KB Output is correct
25 Correct 820 ms 48384 KB Output is correct
26 Correct 887 ms 48372 KB Output is correct
27 Correct 1069 ms 47412 KB Output is correct
28 Correct 2585 ms 47432 KB Output is correct
29 Correct 1565 ms 48336 KB Output is correct
30 Correct 591 ms 48300 KB Output is correct
31 Execution timed out 6101 ms 48460 KB Time limit exceeded
32 Halted 0 ms 0 KB -