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- #include <iostream>
- #include <fstream>
- using namespace std;
- int main()
- {
- int n;
- cout << "quanti numeri vuoi inserire?";
- cin >> n;
- ofstream fout("numeri.txt");
- if(fout){
- for(int i =0; i<n; i++){
- int h;
- cout << "inserisci numero ";
- cin >> h;
- fout << h;
- }
- }
- fout.close();
- int ns;
- cout << "di quale numero vuoi contare le occorrenze? ";
- cin >> ns;
- ifstream fin("numeri.txt");
- if(fin){
- int nOccorrenze=0;
- while(!fin.eof()){
- int a;
- fin >> a;
- cout << (a==1);
- if(a == ns){
- nOccorrenze++;
- cout << "ano";
- }
- }
- cout << "sono state contate " << nOccorrenze << " occorrenze di " << ns;
- }
- fin.close();
- }
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