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  #1  
Old 15-Oct-2007, 10:39
ashayah ashayah is offline
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Posts: 12
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Question

Flowchart Problem

..i have a problem concerning flowchart.. i dont know how to make a flowchart on this code....

CPP / C++ / C Code:
#include <conio.h>
#include <stdio.h>

#define one       gotoxy(3, 11); textattr(BLACK<<4|WHITE); cprintf(" 1 ");
#define two       gotoxy(7, 11); textattr(BLACK<<4|WHITE); cprintf(" 2 ");
#define three     gotoxy(11,11); textattr(BLACK<<4|WHITE); cprintf(" 3 ");
#define four      gotoxy(3,  9); textattr(BLACK<<4|WHITE); cprintf(" 4 ");
#define five      gotoxy(7,  9); textattr(BLACK<<4|WHITE); cprintf(" 5 ");
#define six       gotoxy(11, 9); textattr(BLACK<<4|WHITE); cprintf(" 6 ");
#define seven     gotoxy(3,  7); textattr(BLACK<<4|WHITE); cprintf(" 7 ");
#define eight     gotoxy(7,  7); textattr(BLACK<<4|WHITE); cprintf(" 8 ");
#define nine      gotoxy(11, 7); textattr(BLACK<<4|WHITE); cprintf(" 9 ");
#define zero      gotoxy(15,11); textattr(BLACK<<4|WHITE); cprintf(" 0 ");
#define plus      gotoxy(15, 5); textattr(BLACK<<4|WHITE); cprintf(" + ");
#define minus     gotoxy(11, 5); textattr(BLACK<<4|WHITE); cprintf(" - ");
#define divide    gotoxy(3,  5); textattr(BLACK<<4|WHITE); cprintf(" / ");
#define multiply  gotoxy(7,  5); textattr(BLACK<<4|WHITE); cprintf(" * ");
#define ENTER     gotoxy(15, 9); textattr(BLACK<<4|WHITE); cprintf(" Enter ");
#define C         gotoxy(18, 7); textattr(BLACK<<4|WHITE); cprintf("C");
#define SHOW_     printf("   ");

void calcuForm (void);
void printSol1 (double value);
void printSol2 (double solution);
void printSol3(double b);
void entranceFace (void);

void calcuForm (void)
{
	gotoxy(22,2); textattr(BLINK|YELLOW<<4|BLACK); cprintf("SIMPLE ARITHMETIC CALCULATOR PROGRAM");

	gotoxy(1, 4);  printf("ÆÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵");
	gotoxy(1, 5);  printf("³³ / ³ * ³ - ³ + ³   ³³");
	gotoxy(1, 6);  printf("³ÃÄÄÄÅÄÄÄÅÄÄÄÅÄÄÄÁÄÄÄ´³");
	gotoxy(1, 7);  printf("³³ 7 ³ 8 ³ 9 ³   C   ³³");
	gotoxy(1, 8);  printf("³ÃÄÄÄÅÄÄÄÅÄÄÄÅÄÄÄÄÄÄÄ´³");
	gotoxy(1, 9);  printf("³³ 4 ³ 5 ³ 6 ³ Enter ³³");
	gotoxy(1, 10); printf("³ÃÄÄÄÅÄÄÄÅÄÄÄÅÄÄÄÄÄÄÄ´³");
	gotoxy(1, 11); printf("³³ 1 ³ 2 ³ 3 ³ 0 ³---³³");
	gotoxy(1, 12); printf("ÀÁÄÄÄÁÄÄÄÁÄÄÄÁÄÄÄÁÄÄÄÁÙ");
	gotoxy(1, 13); printf("³                     ³");
	gotoxy(1, 14); printf("ÆÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵");

	gotoxy(25, 20); textattr(BLINK| BLACK<<4| WHITE); cprintf("Press the ESC key to exit...");
	return;
}

void main()
{
	double value = 0;
	double solution = 0;
	char symbol = '';
	int operate_a = 0, negative = 0;
	int x = 0;
	int y = 0;
	enum operate
	{enone, edivide,eplus, emultiply, enegative, eminus};
	int erase[10] = {0};
	clrscr();

	for(;;)
	{
	for(x=0; x<=10; x++)
	{
	if(x==1){solution = 0;}
	textbackground(3);
	textcolor(1);
	clrscr();


	if(x==10 && symbol != '\x1B' && symbol != '+' && symbol != '-'
	 && symbol != '*' && symbol != '/' && symbol != '\r' && symbol != '\x08'){ x--;

	
	 symbol = '\x0';
	 }

	switch(symbol)
	{
		case '1':    one;      if(x==1 && negative != enegative)
					  {solution += 1; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-1); erase[x] = 1;}
					  else { solution = ((solution*10)+1);
					  erase[x] = 1;}
				       break;
		case '2':    two;      if(x==1 && negative != enegative)
                			  {solution += 2; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-2); erase[x] = 2;}
                                          else { solution = ((solution*10)+2);
					  erase[x] = 2;}
				       break;
		case '3':    three;    if(x==1 && negative != enegative)
                		 	  {solution += 3; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-3); erase[x] = 3;}
					  else { solution = ((solution*10)+3);
					  erase[x] = 3;}
				       break;
		case '4':    four;     if(x==1 && negative != enegative)
                			  {solution += 4; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-4); erase[x] = 4;}
					  else { solution = ((solution*10)+4);
					  erase[x] = 4;}
				       break;
		case '5':   five;     if(x==1 && negative != enegative)
                			  {solution += 5; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-5); erase[x] = 5;}
					  else { solution = ((solution*10)+5);
					  erase[x] = 5;}
				       break;
		case '6':    six;      if(x==1 && negative != enegative)
                			  {solution += 6; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-6); erase[x] = 6;}
					  else { solution = ((solution*10)+6);
					  erase[x] = 6;}
				       break;
		case '7':    seven;    if(x==1 && negative != enegative)
                			  {solution += 7; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-7); erase[x] = 7;}
					  else { solution = ((solution*10)+7);
					  erase[x] = 7;}
				       break;
		case '8':    eight;    if(x==1 && negative != enegative)
                			  {solution += 8; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-8); erase[x] = 8;}
					  else { solution = ((solution*10)+8);
					  erase[x] = 8;}
				       break;
		case '9':    nine;     if(x==1 && negative != enegative)
                			  {solution += 9; erase[x] = solution;}
					  else if(x==1 && negative == enegative)
					  {solution = (-9); erase[x] = 9;}
					  else { solution = ((solution*10)+9);
					  erase[x] = 9;}
				       break;
		case '0':    zero;     if(x==1 && negative != enegative)
					{solution = 0;}
					  else if(x==1 && negative == enegative)
					  {solution = 0; erase[x] = 0;}
					  else { solution = ((solution*10));
					  erase[x] = 0;}
				       break;

		case '+':    plus;	if(x!=1){value = solution;}
					operate_a = eplus;
					x = 0; negative = enone;
					for(y=0;y<=10;y++)
					{
					erase[y]=0;
					}
					break;
		case '-':    minus;     if(x!=1){value = solution; negative = enone;}
					if(value){negative = enegative;}
					operate_a = eminus;
					x = 0; negative = enone;
					for(y=0;y<=10;y++)
					{
					erase[y]=0;
					}
					break;
                case '*':    multiply;  if(x!=1){value = solution;}
					operate_a = emultiply;
					x = 0; negative = enone;
					for(y=0;y<=10;y++)
					{
					erase[y]=0;
					}
					break;

		case '/':    divide;    if(x!=1){value = solution;}
					operate_a = edivide;
					x = 0; negative = enone;
					for(y=0;y<=10;y++)
					{
					erase[y]=0;
					}
					break;
		case '\x08': C; x--;
					if(x==1 && solution!=0){solution = (solution - erase[x]);}
					else if(solution!=0){solution = ((solution - erase[x])/10); }
					x--;
		}

	{

	if(symbol == '\x1B'){break;}

	calcuForm();
	if(symbol == '+' || symbol == '-' || symbol == '*' || symbol == '/')
	{printSol1(value); x=0;
	}
	else if(symbol != '\r' && negative != enegative)
	{
		printSol2(solution);
	}
	else if(symbol != '\r' && negative == enegative)
	{
		printSol3(solution);
	}
	else if(symbol == '\r' && operate_a == eplus)
	{
		value += solution; x = 0; ENTER;
		printSol1(value); operate_a = enone;
                for(y=0;y<=19;y++)
		{
			erase[y]=0;
		}
	}
	else if(symbol == '\r' && operate_a == eminus)
	{
		value -= solution; x = 0; ENTER;
		printSol1(value); operate_a = enone;
		for(y=0;y<=10;y++)
		{
			erase[y]=0;
		}
	}
	else if(symbol == '\r' && operate_a == edivide)
	{
		if(solution != 0)
		{
			value /= solution; printSol1(value);
		}
		x = 0; ENTER;
		operate_a = enone;
		for(y=0;y<=10;y++)
		{
			erase[y]=0;
		}
	}
	else if(symbol == '\r' && operate_a == emultiply)
	{
		value *= solution; x = 0;  ENTER;
		printSol1(value); operate_a = enone;
                for(y=0;y<=19;y++)
		{
			erase[y]=0;
		}
	}
	else {ENTER; printSol2(solution); }
	}

	{
	switch(symbol)
	{
	 default:  SHOW_;
	}
	}

	symbol = '\x0';
	symbol = getch();
	}
	if (symbol == '\x1B'){break;}
	}
}
void printSol1 (double value)
{
	gotoxy(2, 13); printf("%18.2f", value);
	return;
}

void printSol2 (double solution)
{
	gotoxy(2, 13); printf("%18.2f", solution);
	return;
}

void printSol3 (double solution)
{
	gotoxy(2, 13); printf("%18.2f", -solution);
	return;
}



........can anyone would like to help me?!..what will i do?..thank yoU!..i wait for replies!..its due will be on wednesday! and i like to have it tomorrow for me to finalise it!:cry:
Last edited by LuciWiz : 16-Oct-2007 at 14:11. Reason: Please insert your C/C++ code between [cpp] & [/cpp] tags
  #2  
Old 15-Oct-2007, 15:28
seprich seprich is offline
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Join Date: Jun 2007
Posts: 110
seprich has a spectacular aura aboutseprich has a spectacular aura about

Re: Flowchart Problem

Please use code tags [c] and [/c] when posting c code.

Other than that:
  • I assume you have at least seen some flowchart sometime, right? Anyway you could perhaps benefit from looking it up at good old wikipedia: http://en.wikipedia.org/wiki/Flowchart
  • Next thing: How much you understand about c programs? Making flowchart from a procedural program is quite straightforward. The program starts execution from the beginning of the main() function. So you follow there.
  • But perhaps most importantly: What did your lecturer/instructor instruct you to do? It doesn't seem likely that you were expected to transform the whole program line-by-line into flowchart. However you should have the best knowledge about what is expected.
 
 
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