oj.uz

Submission #241108

# Submission time Handle Problem Language Result Execution time Memory
241108 2020-06-22T16:48:47 Z DavidDamian Lozinke (COCI17_lozinke) C++11
100 / 100
 46 ms 23804 KB 
#include <bits/stdc++.h>
using namespace std;
///Trie
struct node
{
    int bucket[27];
    int wordCount;
    int last;
};
node trie[2000005];
int actNode=0;
void Insert(string s,int id)
{
    for(int a=0;a<s.size();a++){
        int u=0;
        for(int i=a;i<s.size();i++){
            int letter=s[i]-'a';
            if(trie[u].bucket[letter]==0)
                trie[u].bucket[letter]=++actNode;
            u=trie[u].bucket[letter];
            if(trie[u].last!=id)
                trie[u].wordCount++;
            trie[u].last=id;
        }
    }
}
int query(string s)
{
    int u=0;
    for(int i=0;i<s.size();i++){
        int letter=s[i]-'a';
        if(trie[u].bucket[letter]==0)
            return 0;
        u=trie[u].bucket[letter];
    }
    return trie[u].wordCount-1;
}
int n;
vector<string> A;
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++){
        string s;
        cin>>s;
        Insert(s,i);
        A.push_back(s);
    }
    int total=0;
    for(string s: A){
        total+=query(s);
    }
    cout<<total<<'\n';
    return 0;
}

Compilation message

lozinke.cpp: In function 'void Insert(std::__cxx11::string, int)':
lozinke.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int a=0;a<s.size();a++){
                 ~^~~~~~~~~
lozinke.cpp:16:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=a;i<s.size();i++){
                     ~^~~~~~~~~
lozinke.cpp: In function 'int query(std::__cxx11::string)':
lozinke.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<s.size();i++){
                 ~^~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 6 ms 1024 KB Output is correct
6 Correct 6 ms 1024 KB Output is correct
7 Correct 7 ms 2048 KB Output is correct
8 Correct 8 ms 3328 KB Output is correct
9 Correct 11 ms 3452 KB Output is correct
10 Correct 21 ms 10748 KB Output is correct
11 Correct 15 ms 5884 KB Output is correct
12 Correct 44 ms 23804 KB Output is correct
13 Correct 19 ms 3964 KB Output is correct
14 Correct 35 ms 21492 KB Output is correct
15 Correct 46 ms 23528 KB Output is correct
16 Correct 19 ms 2044 KB Output is correct
17 Correct 18 ms 1788 KB Output is correct
18 Correct 15 ms 1660 KB Output is correct
19 Correct 28 ms 12280 KB Output is correct
20 Correct 14 ms 1916 KB Output is correct