PA1 - test 22. 12. 2011, 9:15 - Zadání IIa

#include <iostream>
using namespace std;

int main ( int argc, char * argv[] )
 {
  cout << "Zadejte n:" << endl;
  int n;
  cin >> n;
  if ( cin.fail() || n <= 0 )
   {
    cout << "Nespravny vstup" << endl;
    return 1;
   }

  cout << "Zadejte cisla" << endl;
  int  sum = 0, oldSum = 0, tmp;
  for ( ; n != 0; n-- )
   {
    cin >> tmp;
    if ( cin.fail() )
     {
      cout << "Nespravny vstup" << endl;
      return 1;
     }
    if ( tmp > 0 )
     sum += tmp;
    oldSum = oldSum > sum ? oldSum : sum;
    if ( tmp <= 0 )
     sum = 0;
   }
  if ( !oldSum )
   cout << "Nebyla zadana zadna kladna cisla." << endl;
  else
   cout << "Vysledek: " << oldSum << endl;
  return 0;
 }