Submission #640294

#	Time	Username	Problem	Language	Result	Execution time	Memory
640294		a_aguilo	Type Printer (IOI08_printer)	C++14	90 / 100	1085 ms	182736 KiB

printer

#include <bits/stdc++.h>
using namespace std;
 
struct Trie{
    //struct Trie *child[26];
    unordered_map<char,Trie*> child;
    char letra;
    bool endOfWord,longest;
};
 
struct Trie *createNode(char letra){
    struct Trie *nodo = new Trie;
    /*
    for(int i=0; i<26; i++){
        nodo->child[i] = NULL;
    }
    */
  	nodo->child.reserve(32);
    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]);
        }
        */
        if(curr->child.find(key[i]) == curr->child.end()){
            curr->child[key[i]] = createNode(key[i]);
        }
        //curr = curr->child[index];
        curr = curr->child[key[i]];
        if(masLarga) curr->longest = true;
    }
    curr->endOfWord = true;
}
 
int counting(struct Trie *root){
    struct Trie *curr = root;
    int cont = 2;
    if(curr->longest){
        cont--;
    }
    /*
    for(int i=0; i<26; i++){
        if(curr->child[i] != NULL){
            struct Trie *sig = curr->child[i];
            cont += counting(sig);
        }
    }
    */
    for(auto it = curr->child.begin(); it != curr->child.end(); it++){
        struct Trie *sig = it->second;
        cont += counting(sig);
    }
    return cont;
}
 
void printing(struct Trie *root){
    struct Trie *curr = root;
    //cout << curr->letra << endl;
    struct Trie *seguimos = NULL;
    /*
    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)){
            struct Trie *sig = curr->child[i];
            if(sig->longest){
                seguimos = sig;
            }else{
                cout << sig->letra << endl;
                printing(sig);
            }
        }
    }
    */
    for(auto it = curr->child.begin(); it != curr->child.end(); it++){
        struct Trie *sig = it->second;
        if(sig->longest){
            seguimos = sig;
        }else{
            cout << sig->letra << endl;
            printing(sig);
        }
    }
 
    if(curr->endOfWord){
        cout << 'P' << endl;
    }
 
    if(seguimos != NULL){
    //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);
}

• 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