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62 lines
1.1 KiB
62 lines
1.1 KiB
/**
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* #(@)ex3.cpp ENSICAEN 2005
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*
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* @author MASSE Nicolas (2005-Groupe3-LIMIN) <nicolas27.masse@laposte.net>
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* @author LIMIN Thomas (2005-Groupe3-MASSE) <thomas.limin@laposte.net>
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*
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* ENSICAEN
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* 6 Boulevard Marechal Juin
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* F-14050 Caen Cedex
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*
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* Ce fichier est l'oeuvre d'eleves de l'ENSI de Caen. Il ne peut etre
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* reproduit, utilise ou modifie sans l'avis express de ses auteurs.
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*/
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/**
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* TP7 : Utilisation des conteneurs de la STL.
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*/
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// STL includes
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#include <iostream>
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#include <fstream>
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#include <set>
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#include <string>
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#include <cstdlib> /* for exit() */
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using namespace std;
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int main(int argc, char ** argv) {
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if (argc != 2) {
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cout << "Usage : " << argv[0] << " <file>" << endl;
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exit(1);
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}
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ifstream st(argv[1]);
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if (! st.is_open()) {
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cout << "Erreur lors de l'ouverture du fichier !" << endl;
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exit(2);
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}
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set<char> s;
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char c = 0;
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while (!st.eof()) {
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st >> c;
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s.insert(c);
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}
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st.close();
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cout << "Nombre de caracteres differents : " << s.size() << endl;
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for (set<char>::iterator i = s.begin(); i != s.end(); i++) {
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cout << *i;
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}
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cout << endl;
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return 0;
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}
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