Submission #640044

#	Time	Username	Problem	Language	Result	Execution time	Memory
640044		a_aguilo	Type Printer (IOI08_printer)	C++14	90 / 100	1095 ms	100456 KiB

printer

#include <bits/stdc++.h>
using namespace std;
 
struct Trie{
    struct Trie *child[26];
    char letra;
    bool endOfWord,longest;
};
 
struct Trie *createNode(char letra){
    struct Trie *nodo = new Trie;
    memset(nodo->child, NULL, sizeof(nodo->child));
    nodo->endOfWord = false;
    nodo->longest = false;
    nodo->letra = letra;
    return nodo;
}
 
void insert(struct Trie *root, string key, bool masLarga){
    struct Trie *curr = root;
    for(int i=0; i<(int)key.size(); i++){
        int index = key[i] - 'a';
        if(curr->child[index] == NULL){
            curr->child[index] = createNode(key[i]);
        }
        curr = curr->child[index];
        if(masLarga) curr->longest = true;
    }
    curr->endOfWord = true;
}
 
int counting(Trie *root){
    Trie *curr = root;
    int cont = 2;
    if(curr->longest){
        cont--;
    }
    for(int i=0; i<26; i++){
        if(curr->child[i] != NULL){
            Trie *sig = curr->child[i];
            cont += counting(sig);
        }
    }
    return cont;
}
 
void printing(Trie *root){
    Trie *curr = root;
    //cout << curr->letra << endl;
    if(curr->endOfWord){
        cout << 'P' << endl;
    }
    Trie *seguimos = root;
    for(int i=0; i<26; i++){
        if(curr->child[i] != NULL){
        //cout << sizeof(*(curr->child[i])) << " " << sizeof(Trie) << endl;
        //if(sizeof(*(curr->child[i])) == sizeof(Trie)){
            Trie *sig = curr->child[i];
            if(sig->longest){
                seguimos = sig;
            }else{
                cout << sig->letra << endl;
                printing(sig);
            }
        }
    }
 
    if(seguimos != root){
    //cout << sizeof(*seguimos) << " " << sizeof(Trie) << endl;
    //if(sizeof(*seguimos) == sizeof(Trie)){
        cout << seguimos->letra << endl;
        printing(seguimos);
        return;
    }
    if(!curr->longest) cout << '-' << endl;
}
 
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
 
    int n;
    cin >> n;
    struct Trie *root = createNode('0');
    root->longest = true;
    vector<string> v(n);
    pair<int,int> longest;
    longest.first = 1;
    longest.second = 0;
    for(int i=0; i<n; i++){
        string s;
        cin >> s;
        v[i] = s;
        if((int)s.size() > longest.first){
            longest.first = s.size();
            longest.second = i;
        }
    }
 
    for(int i=0; i<n; i++){
        if(i == longest.second){
            insert(root,v[i],true);
        }else insert(root,v[i],false);
    }
    //cout << sizeof(Trie) << endl;
    //cout << sizeof(*root) << endl;
    cout << counting(root)+n-1 << endl;
    printing(root);
}

Compilation message (stderr)

printer.cpp: In function 'Trie* createNode(char)':
printer.cpp:12:25: warning: passing NULL to non-pointer argument 2 of 'void* memset(void*, int, size_t)' [-Wconversion-null]
   12 |     memset(nodo->child, NULL, sizeof(nodo->child));
      |                         ^~~~
In file included from /usr/include/features.h:461,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/c++config.h:518,
                 from /usr/include/c++/10/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from printer.cpp:1:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:59:1: note:   declared here
   59 | __NTH (memset (void *__dest, int __ch, size_t __len))
      | ^~~~~

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