reklamas_optimizeets.cpp

#include <cstdlib>
#include <fstream>

using namespace std;

int main(int argc, char *argv[])

{

unsigned long long n, k, m, i, m1;
unsigned long long s=1;

            ifstream ifile;
            ifile.open("reklamas.dat", ifstream::in);
            if( !ifile.is_open( )) {

            } else {

            }
            while(ifile.good()) {
                        ifile >> n >> k >> m;
            }

  m1 = n;
  for (i = n; m1 < m; i += k, m1 += i, s++ );

  ofstream myfile ("reklamas.rez");
  if (myfile.is_open())
  {
    myfile << s << endl;
    myfile.close();
  }
   system("PAUSE");
   return EXIT_SUCCESS;
}