oj.uz

답안 #640294

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
640294 2022-09-14T06:07:00 Z a_aguilo Type Printer (IOI08_printer) C++14
90 / 100
 1000 ms 182736 KB 
#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
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 316 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 316 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 468 KB Output is correct
2 Correct 12 ms 1732 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 3092 KB Output is correct
2 Correct 23 ms 3848 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 10616 KB Output is correct
2 Correct 147 ms 22668 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 178 ms 26636 KB Output is correct
2 Correct 57 ms 6216 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 465 ms 67012 KB Output is correct
2 Correct 972 ms 153832 KB Output is correct
3 Correct 498 ms 79728 KB Output is correct

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 353 ms 52440 KB Output is correct
2 Execution timed out 1085 ms 182736 KB Time limit exceeded
3 Halted 0 ms 0 KB -