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problem in print array saved in note

raminlich (25)
hi all
i don't know why func output after i give 1 print nothing the program will end

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 #include <iostream>
#include <fstream>
#include <string>
#include <conio.h>
using namespace std;
int farvardin[31],ordibehesht[31],khordad[31],tir[31],mordad[31],shahrivar[31],
mehr[30],aban[30],azar[30],dey[30],bahman[30],esfand[29];
      
float far[16],ord[16],khor[16],ti[16],mor[16],shahr[16],
meh[15],aba[15],aza[15],de[15],ba[15],esf[14],dar,s,z;
      int j=0;
void output(float []);
int main()
{
 
    ofstream list("list.txt",ios::app);
    ofstream sal("sal.txt",ios::app);
    ofstream farv("far.txt",ios::app);
      
    string name;
    int tedad,gheymatye,newadd,i=0,gheymateto,co=0,di;
    cout<<"Enter '1' For Working with Stocks:"<<endl;
    cout<<"Enter '2' For Show The List:"<<endl;
    cin>>di;
    switch(di){
        case 1:
    cout<<"Enter '1' For Adding:"<<endl;
    cout<<"Enter '2' For Accounting:"<<endl;
    cin>>newadd;
    switch(newadd){
    case 1:
    //New Adding---------------------------------------------------------------------------//
    cout<<"Enter your Stock Name:"<<endl;
    cin>>name;
    cout<<"Enter your Amount of stock:"<<endl;
    cin>>tedad;
    list<<name<<' '<<tedad<<"   ";
    cout<<endl;
    break;
    //end of Adding------------------------------------------------------------------------//
    case 2:
    //being of process--------------------------------------------------------------------//
    string na; int ted;
    cout<<"Enter your Stock Name For Accounting:";
    cin>>na;
    ifstream list;
    list.open("list.txt");
    bool found = false;
    while (list>>name>>tedad)
    {
        if(na==name)
        {
            cout<<"Enter Your Yesterday Price:"<<endl;
            cin>>gheymatye;
            s=gheymatye*tedad;
            cout<<"Enter Your Today Price:"<<endl;
            cin>>gheymateto;
            z=gheymateto*tedad;
           found = true;
        }
    }
    if (!found)
    {
       cout<<"Error Stock Name was not found!";
       break;
    }
    farvardin[i]=s;
    i++;
    farvardin[i]=z;
    for(int k=0;k<=i;k++){
    sal<<farvardin[k]<<endl;
    }
    s*=100;
    dar=(s/z);
    dar-=100;
    cout<<"%"<<dar;
    far[co]=dar;
    for(j=0;j<=i;j++)
    farv<<far[j]<<endl;
    return 0;
}
		case 2:
			output(far);
			
    }
}
  
void output(float far[])
{
	int i;
	int mah;
	cout<<"Enter mounth:"<<endl;
	cin>>mah;
	if(mah==1){
		for(i=0;i<j;i++){
			ifstream farv;
			farv.open("far.txt");
			cout<<far[i];
		}
	}
}
jlb (4973)
Where are you calling output in the first case? The program ends because you tell it to end with the return statement at the end of the case statement.

Proper indentation would probably help you see where the problems lie. Also you should stop using global variables/

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#include <iostream>
#include <fstream>
#include <string>
//#include <conio.h>
using namespace std;
int farvardin[31],ordibehesht[31],khordad[31],tir[31],mordad[31],shahrivar[31],
    mehr[30],aban[30],azar[30],dey[30],bahman[30],esfand[29];

float far[16],ord[16],khor[16],ti[16],mor[16],shahr[16],
      meh[15],aba[15],aza[15],de[15],ba[15],esf[14],dar,s,z;
int j=0;
void output(float []);
int main()
{

   ofstream list("list.txt",ios::app);
   ofstream sal("sal.txt",ios::app);
   ofstream farv("far.txt",ios::app);

   string name;
   int tedad,gheymatye,newadd,i=0,gheymateto,co=0,di;
   cout<<"Enter '1' For Working with Stocks:"<<endl;
   cout<<"Enter '2' For Show The List:"<<endl;
   cin>>di;
   switch(di)
   {
      case 1:
         cout<<"Enter '1' For Adding:"<<endl;
         cout<<"Enter '2' For Accounting:"<<endl;
         cin>>newadd;
         switch(newadd)
         {
            case 1:
               //New Adding---------------------------------------------------------------------------//
               cout<<"Enter your Stock Name:"<<endl;
               cin>>name;
               cout<<"Enter your Amount of stock:"<<endl;
               cin>>tedad;
               list<<name<<' '<<tedad<<"   ";
               cout<<endl;
               break;
               //end of Adding------------------------------------------------------------------------//
            case 2:
               //being of process--------------------------------------------------------------------//
               string na;
               int ted;
               cout<<"Enter your Stock Name For Accounting:";
               cin>>na;
               ifstream list;
               list.open("list.txt");
               bool found = false;
               while (list>>name>>tedad)
               {
                  if(na==name)
                  {
                     cout<<"Enter Your Yesterday Price:"<<endl;
                     cin>>gheymatye;
                     s=gheymatye*tedad;
                     cout<<"Enter Your Today Price:"<<endl;
                     cin>>gheymateto;
                     z=gheymateto*tedad;
                     found = true;
                  }
               }
               if (!found)
               {
                  cout<<"Error Stock Name was not found!";
                  break;
               }
               farvardin[i]=s;
               i++;
               farvardin[i]=z;
               for(int k=0; k<=i; k++)
               {
                  sal<<farvardin[k]<<endl;
               }
               s*=100;
               dar=(s/z);
               dar-=100;
               cout<<"%"<<dar;
               far[co]=dar;
               for(j=0; j<=i; j++)
                  farv<<far[j]<<endl;
               return 0;
         }
      case 2:
         output(far);

   }
}

void output(float far[])
{
   int i;
   int mah;
   cout<<"Enter mounth:"<<endl;
   cin>>mah;
   if(mah==1)
   {
      for(i=0; i<j; i++)
      {
         ifstream farv;
         farv.open("far.txt");
         cout<<far[i];
      }
   }
}


Oh and a little vertical and horizontal whitespace wouldn't hurt either.
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