project euler problem #1

p1.cpp

#include <iostream>
using namespace std;

int main()
{
  int sum = 0;
  for(int i = 1; i < 1000; i++){
    if(i % 3 == 0 || 
       i % 5 == 0)
      sum += i;
    else
      continue;
  }  
  cout << "sum=" << sum << endl;

  return 1;
}