oj.uz

Submission #226137

# Submission time Handle Problem Language Result Execution time Memory
226137 2020-04-22T16:06:01 Z inluminas Type Printer (IOI08_printer) C++14
20 / 100
 680 ms 18744 KB 
#include<bits/stdc++.h>
using namespace std;
const int lmt=1e6;
int adj[lmt][26];
bool vis[lmt];
int subtree[lmt];
int indx=1;
int cnt=0;
string ans;
void insert(string s,int now)
{
    for(char c:s)
    {
        int num=c-'a';
        if(!adj[now][num])
        {
            indx++;
            adj[now][num]=indx;
            now=indx;
        }
        else
        {
            now=adj[now][num];
        }
    }
}
void getsubtree(int u)
{
    subtree[u]=1;
    for(int i=0;i<26;i++)
    {
        if(adj[u][i]!=0)
        {
            int v=adj[u][i];
            getsubtree(v);
            subtree[u]+=subtree[v];
        }
    }
}
void dfs(int u)
{
    vector<pair<int,int>>p;
    for(int i=0;i<26;i++)
    {
        if(adj[u][i]!=0)
        {
            p.push_back(make_pair(subtree[adj[u][i]],i));
        }
    }
    sort(p.begin(),p.end());
    for(int i=0;i<p.size();i++)
    {
        char c='a'+p[i].second;
        ans+=c;
        int v=adj[u][p[i].second];
        dfs(v);
    }
    if(p.empty()) ans+='P';
    ans+='-';
}
int main()
{
    //#ifndef ONLINE_JUDGE
    //    freopen("take.in","r",stdin);
    //    freopen("give.out","w",stdout);
    //#endif
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        string s;
        cin>>s;
        insert(s,1);
    }
    getsubtree(1);
    dfs(1);
    string res;
    bool on=1;
    reverse(ans.begin(),ans.end());
    for(int i=0;i<ans.size();i++)
    {
        if(on and ans[i]=='-')
        {
            continue;
        }
        else
        {
            on=0;
            res+=ans[i];
        }
    }
    reverse(res.begin(),res.end());
    cout<<res.size()<<endl;
    for(char c:res)
    {
        cout<<c<<endl;
    }
}

Compilation message

printer.cpp: In function 'void dfs(int)':
printer.cpp:51:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<p.size();i++)
                 ~^~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:80:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<ans.size();i++)
                 ~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB didn't print every word
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB didn't print every word

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 384 KB didn't print every word
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 1152 KB didn't print every word
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 118 ms 3196 KB didn't print every word
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 280 ms 7832 KB didn't print every word
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 680 ms 18744 KB didn't print every word
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 559 ms 14772 KB didn't print every word
2 Halted 0 ms 0 KB -