don't send error

m4k4v3l1 (36)
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#include <cstdlib>
#include <iostream>


using namespace std;

int a();
int b();
int c();

int main ()
{
	char ch;
	cout <<"pasirinkite viena varianta is a Litas-Euras,b Litas-Doleris,c Litas-Svaras"<<endl;
	cout <<"noredami nutraukti darba iveskite #"<<endl;
	while ((ch=getchar())!='#')
	{
		if(ch!=' ')
		switch(ch)
		{
			case 'a':printf("Litas-Euras\n");a();
				break;
			case 'b':printf("Litas-Doleris\n");b();
				break;
			case 'c':printf("Litas-Svaras\n");c ();
				break;
		}
		else
			cout << "Jus ivedete tarpo klavisa, noredami testi iveskite raide , arba noredami baigti #\n"<<endl;
	}
}

int a()
{
    int a,b;
printf("Irasyktite litu suma\n");
scanf("%d" , a);
b=a*3/5 ;
printf ( "b" );
return b;
}

int b()
{
    int a,b;
scanf("%d" , a);
b=a*2/3 ;
printf ( "b" );
return b;
}

int c ()

{
    int a,b;
printf("Irasyktite litu suma\n");
scanf("%d" , a);
b=a*4/5 ;
printf ( "b" );
return b;
}

after I select one of the options , I should write a number and I should get a result , but I just get don't send error when I try to do that , program compiles.
Mitsakos (343)
You mean you want to show the numbers returned by functions a() b() and c() depending on you selection?
At your code, line 21, you have a(); which doesn't show any numbers. It just call function a(). You should use something to print it to the console
cout << a();
chizhoundz (8)
may i ask what language is this? cant understand a word.. heheh
m4k4v3l1 (36)
I changed few things ant this program works now.
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#include <cstdlib>
#include <iostream>


using namespace std;

int a();
int b();
int c();
//meniu

int main (void)
{
    //pristatymas
    cout << " Si programa skaiciuoja apytikslia suma , kad lengviau butu pirkti is Ebay, " << endl;
    cout << " Steam ar kitu komerciniu korporaciju " << endl;  
    cout << " ,delto, kad valiutu kursas keiciasi! " << endl;
    cout << endl;
    cout << endl;
    //pristatymas
// pasirinktys	
    char ch;
	cout <<"Pasirinkite viena varianta is a > Litas-Euras,b > Litas-Doleris,c > Litas-Svaras"<<endl;
	cout <<"noredami nutraukti darba iveskite #"<<endl;
	while ((ch=getchar())!='#')
	{
		if(ch!=' ')
		switch(ch)
		{
			case 'a':cout << "Euras-Litas\n" << endl;cout << a();
				break;
			case 'b':cout << "Doleris-Litas\n" << endl;cout << b();
				break;
			case 'c':cout << "Svaras-Litas\n" << endl;;cout << c();
				break;
		}
		else
			cout << "Jus ivedete tarpo klavisa, noredami testi iveskite raide , arba noredami baigti #\n"<<endl;
	}
}
// pasirinktys
//meniu
//Euro skaiciavimas
int a()
{
    
  double a,b,c;
  c=3.5;
cout << "Irasyktite euru suma\n" << endl;
cin >> a;
cout << endl;
b=a*c ;
cout << a << endl;
cout << "euru sudaro" <<endl;
cout << b << endl;
cout << "litu" << endl;
cout << endl;
cout << endl;
cout << endl;
return 0 ;
}
//Euro skaiciavimas

//Dolerio skaiciavimas
int b()
{
    double a,b,c;
    c=2.3;
cout << "Irasyktite doleriu suma\n" << endl;
cin >> a;
cout << endl;
b=a*c ;
cout << a << endl;
cout << "doleriu sudaro" <<endl;
cout << b << endl;
cout << "litu" << endl;
cout << endl;
cout << endl;
cout << endl;
return 0 ;
}
//Dolerio skaiciavimas

//Svaro skaiciavimas
int c()

{
    double a,b,c;
    c=4.5;
cout << "Irasyktite svaru suma\n" << endl;
cin >> a;
cout << endl;
b=a*c ;
cout << a << endl;
cout << "svaru sudaro" <<endl;
cout << b << endl;
cout << "litu" << endl;
cout << endl;
cout << endl;
cout << endl;
return 0 ;
}
//Svaro skaiciavimas
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