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  1. In Topic: 12 errors

    Posted 9 Oct 2012

    View PostSalem_c, on 09 October 2012 - 12:24 PM, said:

    View PostBeRG, on 08 October 2012 - 09:32 AM, said:

    View PostSalem_c, on 07 October 2012 - 10:22 PM, said:

    > 029 valores = new float [valores];
    Are you writing C or C++?
    Because apart from this single line, the rest of the code is C.

    > 1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(
    Which means you should create a file called ficha1.c instead.
    It will mean you'll get further errors when you try to sneak in bits of C++ without realising it (such as calls to new).



    It's C

    Weird then that you're still using new/delete.
    It's like you just ignored half of what was said.



    Becouse it's beging. I'm study recently in university this language C. and i'm mistaken it's C++. sorry, but thanks for all help. it's relly very fast ansver :)
  2. In Topic: 12 errors

    Posted 9 Oct 2012

    I can do it :)

    #include <stdio.h>
    #include <math.h>
    
    
    float menor(float lista[], int n);
    float maior(float lista[],int n);
    
    
    void main()
    {
    	int i,g;
    	int b1,b2,b3,b4,b5,b6,b7,b8,b9;
    	int frab[10]={0};
    	float frel[10]={0};
    	float inf, sup, p, a, c;
    	int nlinhas;
    
    	FILE *pfile;  // Apontador para uma estrutura de um ficheiro
    	char nome_ficheiro[]= {"C:\\Users\\Vladimir\\Desktop\\(1)\\Ficha1\\DOC\\Teste.txt"};  // String com o nome do ficheiro
    	float * valores;// Apontador para o Array dinamico que guarda os valores lidos do ficheiro
    
    	pfile= fopen(nome_ficheiro, "r");
    
    	if(pfile == NULL)
    		printf("ERRO NA ABERTURA DO FICHEIRO");
    	else
    	{
    		fscanf(pfile, "%d", &nlinhas);
    		valores = new float [nlinhas];
    
    
    
    		for (i=0; i<nlinhas; i++)
    		{
    			fscanf(pfile, "%f", &valores[i]);
    		}
    
    
    
    		p=(maior(valores, nlinhas) - menor(valores, nlinhas))/10;
    
    		b1=menor(valores, nlinhas) + p;
    		b2=b1 + p;
    		b3=b2 + p;
    		b4=b3 + p;
    		b5=b4 + p;
    		b6=b5 + p;
    		b7=b6 + p;
    		b8=b7 + p;
    		b9=b8 + p;
    
    
    		for (i=0; i<nlinhas; i++)
    		{
    			if (valores[i]>=menor(valores, nlinhas) && valores[i]<b1) ++frab[0];
    		    else if(valores[i]>=b1 && valores[i]<b2) ++frab[1];
    		    else if(valores[i]>=b2 && valores[i]<b3) ++frab[2];
    		    else if(valores[i]>=b3 && valores[i]<b4) ++frab[3];
    		    else if(valores[i]>=b4 && valores[i]<b5) ++frab[4];
    		    else if(valores[i]>=b5 && valores[i]<b6) ++frab[5];
    		    else if(valores[i]>=b6 && valores[i]<b7) ++frab[6];
    		    else if(valores[i]>=b7 && valores[i]<b8) ++frab[7];
    		    else if(valores[i]>=b8 && valores[i]<b9) ++frab[8];
    		    else if(valores[i]>=b9 && valores[i]<=maior(valores, nlinhas)) ++frab[9];
    		}
    
    	}
    
    	 i=0;
    	 inf=menor(valores, nlinhas);
    	 sup=p;
    
    
    	printf("\n Limites \t Frequencia Absoluta \t Frequencia Relativa \t Grafico \n\n");
    
    	do 	{
    		a=nlinhas/100.00;
    		c=float(frab[i])/a;
    
    		frel[i]= c;
    
    		printf(" %5.2f a %.2f\t            %d\t                  %3.2f\t      ",inf,sup,frab[i],frel[i]);
    
    		for(g=1;g<=frab[i];++g)
    		{				
    			printf("*");
    		}
    
    		printf("\n");
    		inf+=p;
    		sup+=p;
    		i++;
    
    	}
    	while(i<10);
    
    	delete [] valores;
    }
    
    float menor(float lista[], int n)
    {
    	float min=lista[0];
    	int i;
    	for(i=1; i<n; i++)
    	{
    		if(lista[i]<min)
    		{
    			min=lista[i];
    		}
    	}
    	return min;
    }
    float maior(float lista[],int n)
    {
    	float max=lista[0];
    	int i;
    	for(i=1; i<n; i++)
    	{
    		if(lista[i]>max)
    		{
    			max=lista[i];
    		}
    	}
    	return max;
    }
    
  3. In Topic: 12 errors

    Posted 8 Oct 2012

    View PostSalem_c, on 07 October 2012 - 10:22 PM, said:

    > 029 valores = new float [valores];
    Are you writing C or C++?
    Because apart from this single line, the rest of the code is C.

    > 1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(
    Which means you should create a file called ficha1.c instead.
    It will mean you'll get further errors when you try to sneak in bits of C++ without realising it (such as calls to new).



    It's C
  4. In Topic: 12 errors

    Posted 7 Oct 2012

    View Postjimblumberg, on 07 October 2012 - 01:34 PM, said:

    Do you have a problem or question?

    If you are getting error messages, post the complete error messages exactly as they appear in your development environment.


    Jim

    Hello
    I have problem, becouse i don't know where from error and as can corect they
    sorri for my very bed english
    thnks

    View PostBeRG, on 07 October 2012 - 01:50 PM, said:

    View Postjimblumberg, on 07 October 2012 - 01:34 PM, said:

    Do you have a problem or question?

    If you are getting error messages, post the complete error messages exactly as they appear in your development environment.


    Jim

    Hello
    I have problem, becouse i don't know where from error and as can corect they
    sorri for my very bed english
    thnks

    show me this
    1>------ Build started: Project: Ficha1, Configuration: Debug Win32 ------
    1>Compiling...
    1>Ficha1.cpp
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(22) : warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
    1> c:\program files (x86)\microsoft visual studio 8\vc\include\stdio.h(234) : see declaration of 'fopen'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(28) : warning C4996: 'fscanf': This function or variable may be unsafe. Consider using fscanf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
    1> c:\program files (x86)\microsoft visual studio 8\vc\include\stdio.h(249) : see declaration of 'fscanf'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(29) : error C2440: 'initializing' : cannot convert from 'float *' to 'size_t'
    1> There is no context in which this conversion is possible
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(33) : error C2296: '+' : illegal, left operand has type 'float (__cdecl *)(float [],int)'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(34) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(35) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(36) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(37) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(38) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(39) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(40) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(41) : warning C4244: '=' : conversion from 'float' to 'int', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(49) : error C2446: '>=' : no conversion from 'float (__cdecl *)(float [],int)' to 'float'
    1> There is no context in which this conversion is possible
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(49) : error C2440: '>=' : cannot convert from 'float (__cdecl *)(float [],int)' to 'float'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(58) : error C2446: '<=' : no conversion from 'float (__cdecl *)(float [],int)' to 'float'
    1> There is no context in which this conversion is possible
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(58) : error C2440: '<=' : cannot convert from 'float (__cdecl *)(float [],int)' to 'float'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(68) : error C2086: 'int i' : redefinition
    1> c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(11) : see declaration of 'i'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(69) : error C2086: 'float inf' : redefinition
    1> c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(15) : see declaration of 'inf'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(69) : error C2440: 'initializing' : cannot convert from 'float (__cdecl *)(float [],int)' to 'float'
    1> Context does not allow for disambiguation of overloaded function
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(70) : error C2086: 'float sup' : redefinition
    1> c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(15) : see declaration of 'sup'
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(77) : warning C4244: '=' : conversion from 'double' to 'float', possible loss of data
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(79) : error C2563: mismatch in formal parameter list
    1>c:\users\vladimir\desktop\ficha1\ficha1\ficha1.cpp(98) : error C2447: '{' : missing function header (old-style formal list?)
    1>Build log was saved at "file://c:\Users\Vladimir\Desktop\Ficha1\Ficha1\Debug\BuildLog.htm"
    1>Ficha1 - 12 error(s), 11 warning(s)
    ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

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