Răspuns:
#include <iostream>
#include <fstream>
using namespace std;
int vc[10];
int main()
{
ifstream f("ciffrecv.in");
ofstream g("ciffrecv.out");
int cif;
while (!f.eof())
{
f >> cif;
++vc[cif];
}
cif=7;
if (vc[cif])
g << cif << " " << vc[cif];
else
if (vc[cif-2])
{ cif-=2; g << cif << " " << vc[cif]; }
else
if (vc[cif-4]) { cif-=4; g << cif << " " << vc[cif]; }
else
if (vc[cif-5]) { cif-=5; g << cif << " " << vc[cif]; }
return 0;
}
Explicație:
