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- #include <fstream>
- #include <vector>
- #include <iostream>
- using namespace std;
- ifstream fin("produsxl.in");
- ofstream fout("produsxl.out");
- vector < int > v;
- vector < int > v2;
- int nr;
- void citire(vector < int > &v)
- {
- int n;
- for(int i = 0; i < n; i++)
- {
- int t;
- fin >> t;
- v.insert(v.begin(), t);
- }
- fin >> nr;
- }
- void adaugare(vector < int > &v2)
- {
- while(nr)
- {
- v2.push_back(nr % 10);
- nr /= 10;
- }
- }
- void produs(vector < int > &v, vector < int > &v2)
- {
- int i, j, t = 0;
- vector < int > v3;
- int siz = v.size() + v2.size() - 2;
- for(i = 0; i < siz; i++)
- {
- v3.push_back(0);
- }
- for(i = 0; i < v.size(); i++)
- {
- for(j = 0; j < v2.size(); j++)
- {
- v[i + j] += v[i] * v2[j];
- }
- }
- for(i = 0; i < v3.size(); i++)
- {
- t += v3[i];
- v3[i] = t % 10;
- t /= 10;
- }
- if(t)
- {
- v3.push_back(t);
- }
- for(i = 0; i < v3.size(); i++)
- {
- v[i] = v3[i];
- }
- }
- void scriere(vector < int > &v)
- {
- for(int i = v.size() - 1; i >= 0; i++)
- {
- fout << v[i];
- }
- }
- int main()
- {
- citire(v);
- adaugare(v2);
- produs(v, v2);
- scriere(v);
- fout.close();
- fin.close();
- return 0;
- }
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