oj.uz

Submission #697175

# Submission time Handle Problem Language Result Execution time Memory
697175 2023-02-08T17:26:33 Z bin9638 Raspad (COI17_raspad) C++17
61 / 100
 6000 ms 43544 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

#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("omit-frame-pointer")
#pragma GCC optimize("unroll-loops")

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

struct haha
{
    int val=0,sum=0,sl=0,cnt[52]={},id[52]={},ktr[52]={};

    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;
      //  if(s.size()>m)
        //    return 0;
        for(auto cc:s)
            ans+=cc.sum+cc.solve()*cc.sl;
    }
    cout<<ans;
    return 0;
}

Compilation message

raspad.cpp: In function 'int32_t main()':
raspad.cpp:123:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<haha>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |         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 340 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 340 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 8 ms 740 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 38 ms 724 KB Output is correct
10 Correct 9 ms 724 KB Output is correct
11 Correct 17 ms 724 KB Output is correct
12 Correct 30 ms 724 KB Output is correct
13 Correct 22 ms 724 KB Output is correct

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 21844 KB Output is correct
2 Correct 255 ms 43376 KB Output is correct
3 Correct 505 ms 43348 KB Output is correct
4 Correct 146 ms 38996 KB Output is correct
5 Correct 71 ms 13248 KB Output is correct
6 Correct 303 ms 43476 KB Output is correct
7 Correct 484 ms 43416 KB Output is correct
8 Correct 235 ms 34736 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 340 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 8 ms 740 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 38 ms 724 KB Output is correct
10 Correct 9 ms 724 KB Output is correct
11 Correct 17 ms 724 KB Output is correct
12 Correct 30 ms 724 KB Output is correct
13 Correct 22 ms 724 KB Output is correct
14 Correct 92 ms 21844 KB Output is correct
15 Correct 255 ms 43376 KB Output is correct
16 Correct 505 ms 43348 KB Output is correct
17 Correct 146 ms 38996 KB Output is correct
18 Correct 71 ms 13248 KB Output is correct
19 Correct 303 ms 43476 KB Output is correct
20 Correct 484 ms 43416 KB Output is correct
21 Correct 235 ms 34736 KB Output is correct
22 Correct 842 ms 34792 KB Output is correct
23 Correct 3987 ms 43416 KB Output is correct
24 Correct 3797 ms 43544 KB Output is correct
25 Correct 878 ms 43500 KB Output is correct
26 Correct 948 ms 43468 KB Output is correct
27 Correct 1087 ms 43348 KB Output is correct
28 Correct 2722 ms 43468 KB Output is correct
29 Correct 1701 ms 43392 KB Output is correct
30 Correct 577 ms 43368 KB Output is correct
31 Execution timed out 6039 ms 43412 KB Time limit exceeded
32 Halted 0 ms 0 KB -