Cod sursa(job #98771)

Utilizator mgntMarius B mgnt Data 10 noiembrie 2007 16:39:00
Problema Abc2 Scor 0
Compilator cpp Status done
Runda Happy Coding 2007 Marime 1.66 kb
#include <iostream>
#include <fstream>
using namespace std;

int const MaxT = 10000000;
int const MaxD = 50000;
int const MaxC = 20;


static char Cuvant [1+MaxC];

class Copac {
public:
   Copac() { p[0] = 0; p [1] = 0; p[2] = 0;}
   ~Copac() {
    if (p [0]) delete p [0];
    if (p [1]) delete p [1];
    if (p [2]) delete p [2];
   }
  void Adauga(char * cuvant) {
    Copac ** x = p;
    Copac * y;
    while (4 != (*cuvant)) {
      y = x[(*cuvant)];
      if(0 == y) {
        y = new Copac;
        x[(*cuvant)] = y;
      }
      x = y->p;
      ++ cuvant;
    }
  }
  bool Cauta(char * cuvant) {
    Copac ** x = p;
    Copac * y;
    while (4 != (*cuvant)) {
      y = x[(*cuvant)];
      if(0 == y) return false;
      x = y->p;
      ++ cuvant;
    }
    return true;
  }
private:
  Copac * p [3];
};


int main () {
  char Text   [1+MaxT];
  int i, n, m, cont;
  ifstream sin("abc2.in");
  i = 0;
  cout << "Read in..." << endl;
  while(true) {
    sin . get ( Text[i] );
    if('\n' == Text[i]) {
      Text[i] = 4;
      break;
    }
    Text[i] -= 'a';
    ++ i;
  }
  n = i;
  Copac cop;
  m = 0;
  i = 0;
  while(true) {
    sin .get (Cuvant[i]);
    if(! sin) break;
    if('\n' == Cuvant [i]) {
      Cuvant[i] = 4;
      cop.Adauga(Cuvant);
      if(0 == m) m = i;
      i = 0;
      continue;
    }
    Cuvant[i] -= 'a';
    ++ i;
  }
  if(0 != i) {
    Cuvant[i] = 4;
    cop.Adauga(Cuvant);
    if(0 == m) m = i;
  }
  cout << "Count in..." << endl;
  cont = 0;
  if(0 != m) {
    for(i = n-m; i >= 0; i --) {
      Text[i+m] = 4;
      if(cop.Cauta(&Text[i])) ++ cont;
    }
  }
  ofstream sout("abc2.out");
  sout << cont << endl;
  cout << "end..." << endl;
  return 0;
}