oj.uz

답안 #488339

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
488339 2021-11-18T15:49:14 Z Malheiros Type Printer (IOI08_printer) C++17
100 / 100
 165 ms 55228 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define ld long double
#define ll long long
//#define int ll
#define FF first.first
#define FS first.second
#define SF second.first
#define SS second.second
#define PB push_back
#define MP make_pair
#define all(cont) cont.begin(),cont.end()
#define rall(cont) cont.rbegin(), cont.rend()
#define FOR(i, j) for(int i=0;i<j;i++)
#define RFOR(i, j) for (int i=j;i>=0;i--)
#define GO cin.tie(NULL);
#define FAST ios_base::sync_with_stdio(false);
#define prec(x) cout << fixed << setprecision(x)
#define sz(x) (int)x.size()

typedef pair<int,int> pii;
typedef vector<int> VI;
typedef vector<pii> VPII;
typedef vector<VI> VVI;
typedef priority_queue<int> max_heap;
typedef priority_queue<pii> max_heapii;
typedef priority_queue<int,VI,greater<int>> min_heap;
typedef priority_queue<pii,VPII,greater<pii>> min_heapii;

const long double PI = 3.14159265359;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ll randint(ll a, ll b){return uniform_int_distribution<ll>(a, b)(rng);}

#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
    cout << vars << " = ";
    string delim = "";
    (..., (cout << delim << values, delim = ", "));
    cout<<endl;
}

void print(vector<int>v){
	cout<<"[";
	FOR(i,v.size()){
		cout<<v[i];
		if(i+1!=v.size())cout<<", ";
	}
	cout<<"]"<<endl;
}

void print(pii p){
	cout<<"{"<<p.first<<", "<<p.second<<"}"<<endl;
}

string sm;
//You will have to augment this in most of the problems
struct Node{
    map<char,pair<int,int>> nxt;
};

struct Trie{
    vector<Node> nodes;
    Trie(){
        nodes.push_back(Node());
    }

    void add(string &s,int i,int ind,int p){
        if (i==s.length()) return;
        if (nodes[ind].nxt.find(s[i])==nodes[ind].nxt.end()){
            nodes[ind].nxt[s[i]]={nodes.size(),0};
            nodes.push_back(Node());
        }
        nodes[ind].nxt[s[i]]={nodes[ind].nxt[s[i]].first,nodes[ind].nxt[s[i]].second | (1<<p)};
        add(s,i+1,nodes[ind].nxt[s[i]].first,p);
    }

    void add(string &s,int quem){
        s+='$';
        add(s,0,0,quem);
    }

    
};

Trie T;
vector<char> ans;
void dfs(int u,char letra,bool tonopath,int dd){
    if (T.nodes[u].nxt.size()==0){
        ans.PB('P');
        return;
    }
    if (u!=0){
        ans.PB(letra);
    }
    if (tonopath){
        for(auto k:T.nodes[u].nxt){
            if (k.first!=sm[dd])
            dfs(k.second.first,k.first,0,dd+1);
        }
        dfs(T.nodes[u].nxt[sm[dd]].first,sm[dd],1,dd+1);
    }
    else{
        for(auto k:T.nodes[u].nxt){
            dfs(k.second.first,k.first,0,0);
        }
    }
    ans.PB('-');

}

signed main(){
   int n;cin>>n;
   int maior=0;
   
    FOR(i,n){
        string s;cin>>s;
        T.add(s,0);
        if (sz(s)>maior){
            maior=sz(s);
            sm=s;
        }
    }
    dfs(0,'a',1,0);
   while(ans.back()=='-')ans.pop_back();

   cout<<sz(ans)<<'\n';
   for(auto k:ans){
       cout<<k<<"\n";
   }
}

Compilation message

printer.cpp: In function 'void print(std::vector<int>)':
printer.cpp:16:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 | #define FOR(i, j) for(int i=0;i<j;i++)
......
   47 |  FOR(i,v.size()){
      |      ~~~~~~~~~~                 
printer.cpp:47:2: note: in expansion of macro 'FOR'
   47 |  FOR(i,v.size()){
      |  ^~~
printer.cpp:49:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |   if(i+1!=v.size())cout<<", ";
      |      ~~~^~~~~~~~~~
printer.cpp: In member function 'void Trie::add(std::string&, int, int, int)':
printer.cpp:71:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |         if (i==s.length()) return;
      |             ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 208 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 208 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 208 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 208 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 720 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1160 KB Output is correct
2 Correct 4 ms 1516 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 3552 KB Output is correct
2 Correct 22 ms 7288 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 10568 KB Output is correct
2 Correct 15 ms 3332 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 21288 KB Output is correct
2 Correct 135 ms 46524 KB Output is correct
3 Correct 84 ms 25332 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 65 ms 20712 KB Output is correct
2 Correct 165 ms 55228 KB Output is correct
3 Correct 108 ms 28656 KB Output is correct
4 Correct 128 ms 52364 KB Output is correct