Submission #875820

#	Time	Username	Problem	Language	Result	Execution time	Memory
875820		derar_alhamsh	Type Printer (IOI08_printer)	C++14	0 / 100	229 ms	40944 KiB

printer

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define mod 1000000007
#define mxe(v)   *max_element(v.begin(), v.end())
#define all(v)   v.begin(), v.end()
#define allr(v) v.rbegin(),v.rend()
#define F first
#define S second
#define pi pair<ll,ll>
#define derar ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define yes cout<<"YES"<<endl;
#define no cout<<"NO"<<endl;
using namespace std;
const int N=1e5+5;
const double PI=3.1415926535897932384626433;
const double eps = 1e-9;
string getString()
{
    char c[(int)2e6];
    //scanf(" %c",&a[i]);
    scanf("%s", c);
    return c;
    //string x = getString();
}
///printf("%d\n",);
///scanf("%d",&);
///cout.precision(10);
///puts("")string
const int CHAR = 26;
int ma=0;
vector<char>an;
struct TrieNode
{
    TrieNode *child[CHAR];
    int Cnt, End,deep;

    TrieNode()
    {
        memset(child, 0, sizeof child);
        Cnt = End = 0,deep=0;
    }

    void add(int i, string &s,int se)
    {
        int cur = s[i] - 'a';
        if (child[cur] == 0) child[cur] = new TrieNode();
        child[cur]->Cnt++;
        child[cur]->deep=max(se,child[cur]->deep);
        if (i == s.size() - 1)
        {
            child[cur]->End++;
            return;
        }
        child[cur]->add(i + 1, s,se);
    }

    void add(string &s,int se)
    {
        add(0, s,se);
    }

    void erase(int i, string &s)
    {
        int cur = s[i] - 'a';
        child[cur]->Cnt--;
        if (i == s.size() - 1)
        {
            child[cur]->End--;
            return;
        }
        child[cur]->erase(i + 1, s);
        if (!child[cur]->Cnt)
        {
            delete child[cur];
            child[cur] = 0;
        }
    }
    void erase(string &s)
    {
        if (!find(s))return;
        erase(0, s);
    }
    bool find(int i, string &s)
    {
        int cur = s[i] - 'a';
        if (child[cur] == 0)return 0;
        if (i == s.size() - 1)
        {
            return child[cur]->End > 0;
        }
        return child[cur]->find(i + 1, s);
    }

    bool find(string &s)
    {
        return find(0, s);
    }
    void ans()
    {
        vector<pair<int,int>>p;
        for(int k=0; k<CHAR; k++)
        {
            int cur=k;
            if(child[cur]!=0)
            {
                p.push_back({child[cur]->deep,cur});
            }
        }
        sort(all(p));
        for(int k=0; k<p.size(); k++)
        {
            int cur=p[k].S;
            an.push_back(char(cur+'a'));
            if(child[cur]->End!=0)
                an.push_back('p');
            child[cur]->ans();
            an.push_back('-');
        }
    }
    int CntPrefix(int i, string &s)
    {
        int cur = s[i] - 'a';
        if (child[cur] == 0)return 0;
        if (i == s.size() - 1)
        {
            return child[cur]->Cnt;
        }
        return child[cur]->CntPrefix(i + 1, s);
    }

    int CntPrefix(string &s)
    {
        return CntPrefix(0, s);
    }

    void clear()
    {
        for (int i = 0; i < CHAR; i++)
            if (child[i])
                child[i]->clear(), delete child[i], child[i] = 0;
    }
};
int main()
{
    derar
    int t=1;
    //cin>>t;
    while(t--)
    {
        int n,q;
        scanf("%d",&n);
        TrieNode* root=new TrieNode();
        for(int i=0; i<n; i++)
        {
            string s=getString();
            int se=s.size();
            ma=max(se,ma);
            root->add(s,se);
        }
        root->ans();
        cout<<an.size()-ma<<endl;
        for(int i=0; i<an.size()-ma; i++)
            printf("%c\n",an[i]);
    }
}

Compilation message (stderr)

printer.cpp: In member function 'void TrieNode::add(int, std::string&, int)':
printer.cpp:50:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         if (i == s.size() - 1)
      |             ~~^~~~~~~~~~~~~~~
printer.cpp: In member function 'void TrieNode::erase(int, std::string&)':
printer.cpp:67:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         if (i == s.size() - 1)
      |             ~~^~~~~~~~~~~~~~~
printer.cpp: In member function 'bool TrieNode::find(int, std::string&)':
printer.cpp:88:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |         if (i == s.size() - 1)
      |             ~~^~~~~~~~~~~~~~~
printer.cpp: In member function 'void TrieNode::ans()':
printer.cpp:111:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |         for(int k=0; k<p.size(); k++)
      |                      ~^~~~~~~~~
printer.cpp: In member function 'int TrieNode::CntPrefix(int, std::string&)':
printer.cpp:125:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  125 |         if (i == s.size() - 1)
      |             ~~^~~~~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:163:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  163 |         for(int i=0; i<an.size()-ma; i++)
      |                      ~^~~~~~~~~~~~~
printer.cpp:151:15: warning: unused variable 'q' [-Wunused-variable]
  151 |         int n,q;
      |               ^
printer.cpp: In function 'std::string getString()':
printer.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     scanf("%s", c);
      |     ~~~~~^~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:152:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  152 |         scanf("%d",&n);
      |         ~~~~~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10