#include <iostream.h>
#include <string>
#include <vector>
#include <algorithm>

int dummy1(const string &s1, const string &s2) {  return s1<s2?1:0; }
int dummy6(const string &s1, const string &s2) {  return s1==s2?1:0; }
// above is ok but below  is ambiguous
int dummy2(const string &s1, const string &s2) {  return s1>s2?1:0; }
int dummy3(const string &s1, const string &s2) {  return s1>=s2?1:0; }
int dummy4(const string &s1, const string &s2) {  return s1<=s2?1:0; }
int dummy5(const string &s1, const string &s2) {  return s1!=s2?1:0; }
int dummy7(char *s1, const string &s2) {  return s1!=s2?1:0; }
int dummy8(const string & s2, char *s1) {  return s1!=s2?1:0; }

void print( vector<int> ) ;//utility function outputs a vector of ints

int main()
{
	vector<int> a;

	for(int i=0; i<9;++i)
		a.push_back(9-i);

	print(a);

	sort(a.begin(), a.end()); //in the STL <algorithm>

	print(a);

	cout << string("te")+"st"<<endl;
	cout << dummy5( "a", "b" )<<endl;
	cout << dummy7( "a", "b" )<<endl;
	cout << dummy8( "a", "b" )<<endl;

}



void print( vector<int> a)
{
	for(int i=0; i<a.size(); ++i)
		cout << a[i] << " ";

	cout << endl;
	cout << "----------------"<<endl;
}