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quest15.cpp
434 lines (326 loc) · 11.1 KB
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quest15.cpp
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//---------------------------------------------------------------------------
#include <vcl.h>
#include <stdlib.h>
#include <math.h>
#include "quest15.h"
#include "drobi.h"
#include "MGiper.h"
#include "qvarnt.h"
#pragma hdrstop
//---------------------------------------------------------------------------
#pragma package(smart_init)
quest15::quest15(FILE* f)
{
char* buf = new char[256];
randomize();
keygen = random (1000) + 1;
reads(f,buf);
strpar1 = strdup(buf);
reads(f,buf);
strpar2 = strdup(buf);
sscanf(strpar1,"%d %d",&amin,&amax);
qtype = type;
delete buf;
}
quest15::Save(FILE* f)
{
fprintf(f,"head %i\n",type);
fprintf(f,"%s\n",name);
fprintf(f,"%i %i %i\n",itemnumber,subitemnumber,qtype);
fprintf(f,"%s\n",strpar1);
fprintf(f,"%s\n",strpar2);
return 0;
}
quest15::Edit()
{
sscanf(strpar2,"%i%i",&amin,&amax);
nvar = 1;
keygen = 0;
Giper->quest = this;
Giper->Edit1->Text = IntToStr(amin);
Giper->Edit2->Text = IntToStr(amax);
Giper->Edit3->Text = IntToStr(keygen);
Giper->Edit4->Text = IntToStr(nvar);
Giper->ShowModal();
return 0;
}
quest15::Print(TList* plist)
{
int a, b, i;
double c;
drobi d;
char * buf = new char[256];
if( keygen == 0 )
{
keygen = random( 1000 ) + 1;
}
srand( keygen );
a = rgen(keygen, 1, amin, amax );
b = rgen(keygen, 1, amin, amax );
if( !a )
a ++;
if( !b )
b ++;
a = abs (a);
b = abs (b);
if ( !qvar->MZad || ( qvar->MZad && nvar == 1 ) )
{
sprintf( buf, "String(\"# Òåìà - %s \")", selecttask->name );
plist->Add( strdup(buf) );
}
else
{
sprintf( buf, "String(#)" );
plist->Add( strdup(buf) );
}
sprintf( buf, "String(Âàðèàíò %i, çàäà÷à %i.)", nvar, nzad );
plist->Add( strdup(buf) );
if ( !qvar->MZad || ( qvar->MZad && nvar == 1 ) )
{
sprintf( buf, "String(Âûïèñàòü êàíîíè÷åñêîå óðàâíåíèå ãèïåðáîëû çíàÿ å¸ ïîëóîñè.)" );
plist->Add( strdup(buf) );
sprintf( buf, "String(Íàéòè ðàññòîÿíèå ìåæäó ôîêóñàìè ýòîé ãèïåðáîëû.)" );
plist->Add( strdup(buf) );
sprintf( buf, "String(Âû÷èñëèòü ýêñöåíòðèñèòåò ýòîé ãèïåðáîû.)" );
plist->Add( strdup(buf) );
sprintf( buf, "String(Íàéòè acèìïòîòû ýòîé ãèïåðáîëû.)" );
plist->Add( strdup(buf) );
}
sprintf( buf, "a=%d", a );
plist->Add( strdup(buf) );
sprintf( buf, "b=%d", b );
plist->Add( strdup(buf) );
sprintf( buf, "String(@×àñòü ïðåïîäàâàòåëÿ )" );
plist->Add( strdup(buf) );
sprintf( buf, "String(\"Òåìà - %s \")", selecttask->name );
plist->Add( strdup(buf) );
sprintf( buf, "String(ÂÀÐÈÀÍÒ %i, ðåøåíèå çàäà÷è %i, êëþ÷ %i)", nvar, nzad, keygen );
plist->Add( strdup(buf) );
c = sqrt( a*a + b*b );
//e = c / a;
sprintf( buf, "String(Èñêîìîå óðàâíåíèå: )" );
plist->Add( strdup(buf) );
sprintf( buf, "(x^2)/%d-(y^2)/%d=1", a*a, b*b );
plist->Add( strdup(buf) );
sprintf( buf, "String(Ðàññòîÿíèå ìåæäó ôîêóñàìè:)" );
plist->Add( strdup(buf) );
if ( (ceil(c)) == c )
sprintf( buf, "c=%f", c );
else
sprintf( buf, "c=sqrt(%d)", a*a + b*b );
plist->Add( strdup(buf) );
sprintf( buf, "String(Ýêñöåíòðèñèòåò ãèïåðáîëû:)" );
plist->Add( strdup(buf) );
if ( (ceil(c)) == c )
{
d = drobi( (int)c, a );
sprintf( buf, "e=%s", DrobiToStr( d ) );
//sprintf( buf, "e=%f", e );
}
else
sprintf( buf, "e=sqrt(%d)/%d", a*a + b*b,a );
plist->Add( strdup(buf) );
sprintf( buf, "String(Àñèìïòîòû ãèïåðáîëû:)" );
plist->Add( strdup(buf) );
d = drobi( b, a );
/*if ( d.b == 1 )
sprintf( buf, "y=+-%f*x", d.c );
else
sprintf( buf, "y=+-(%d/%d)*x", b, a );*/
if( d.znak > 0 )
if( d.c != 1)
sprintf( buf, "y=+-(%s)*x", DrobiToStr( d ) );
else
sprintf( buf, "y=+-x" );
else
sprintf( buf, "y=+%s*x", DrobiToStr( d ) );
plist->Add( strdup(buf) );
/* Graphics::TBitmap* bmv = new Graphics::TBitmap();
y0 = funk( -100, a, b );
bmv->Width = 300;
bmv->Height = 2 * y0 + 20;
y = funk( -100, a, b);
bmv->Canvas->MoveTo(0, 100 - y);
for( i = -100; i <= -a; i ++ )
{
y = funk( i, a, b);
draw(100,y0,i,y,bmv);
}
for( i = -a; i >= -100; i -- )
{
y = -funk( i, a, b);
draw(100,y0,i,y,bmv);
}
y = funk( 100, a, b);
bmv->Canvas->MoveTo(200, 100 - y);
for( i = 100; i >= a; i -- )
{
y = funk( i, a, b);
draw(100,y0,i,y,bmv);
}
for( i = a; i <= 100; i ++ )
{
y = -funk( i, a, b);
draw(100,y0,i,y,bmv);
}
y = gline( -100, a, b);
bmv->Canvas->MoveTo(0, y0 - y);
y = gline(100,a,b);
draw(100,y0,100,y,bmv);
y = -gline( -100, a, b);
bmv->Canvas->MoveTo(0, y0 - y);
y = -gline(100,a,b);
draw(100,y0,100,y,bmv);
bmv->Canvas->MoveTo(100,0);
bmv->Canvas->LineTo(100,2 * y0);
bmv->Canvas->MoveTo(0,y0);
bmv->Canvas->LineTo(200,y0);
sprintf(buf,"Ãèïåðáîëà ÂÀÐÈÀÍÒÀ %i, ðåøåíèå çàäà÷è %i, êëþ÷ %i",nvar,nzad,keygen);
bmv->Canvas->TextOutA(0, 2 * y0, buf);
bmv->SaveToFile("plane.bmp");
delete bmv;*/
keygen = 0;
delete buf;
return 0;
}
//---------------------------------------------------------------
/*
void draw(int x0, int y0, int x, int y, Graphics::TBitmap* map)
{
map->Canvas->LineTo( x0 + x, y0 - y);
}
//---------------------------------------------------------------
double funk( int x, int a, int b)
{
double y, temp;
temp = (double)(x * x ) / ( a * a ) - 1;
y = b * sqrt( temp );
return y;
}
//----------------------------------------------------------------
double gline(int x, int a, int b)
{
double y;
y = (double )x * ((double)b / a);
return y;
}*/
//----------------------------------------------------------------
quest15::Print(TList* plist, class test &t)
{
int a, b, i, y;
int n, Right_Numb;
double c;
drobi d;
char * buf = new char[256];
char * buf1 = new char[256];
if( keygen == 0 )
{
keygen = random( 1000 ) + 1;
}
Right_Numb = random( 5 ) + 1;
srand( keygen );
a = rgen( keygen, 1, amin, amax );
b = rgen( keygen, 1, amin, amax );
if( !a )
a ++;
if( !b )
b ++;
a = abs( a );
b = abs( b );
if( a <= b )
{
if( a * a < 5 )
Right_Numb = a * a;
}
else
{
if( b * b < 5 )
Right_Numb = b * b;
}
sprintf( buf, "String(\"# Òåìà - %s \")", selecttask->name );
plist->Add( strdup(buf) );
sprintf( buf, "String(Âàðèàíò %i, çàäà÷à %i.)", nvar, nzad );
plist->Add( strdup(buf) );
sprintf( buf, "String(Âûïèñàòü êàíîíè÷åñêîå óðàâíåíèå ãèïåðáîëû çíàÿ å¸ ïîëóîñè.)" );
plist->Add( strdup(buf) );
sprintf( buf, "String(Íàéòè ðàññòîÿíèå ìåæäó ôîêóñàìè ýòîé ãèïåðáîëû.)" );
plist->Add( strdup(buf) );
sprintf( buf, "String(Âû÷èñëèòü ýêñöåíòðèñèòåò ýòîé ãèïåðáîû.)" );
plist->Add( strdup(buf) );
sprintf( buf, "String(Íàéòè acèìïòîòû ýòîé ãèïåðáîëû.)" );
plist->Add( strdup(buf) );
sprintf( buf, "a=%d", a );
plist->Add( strdup(buf) );
sprintf( buf, "b=%d", b );
plist->Add( strdup(buf) );
for( n = 0; n < 5; n ++ )
{
c = sqrt( a * a + b * b - ( Right_Numb - 1 ) + n );
sprintf( buf, "String(\"Âàðèàíò %c):\")", 'a' + n );
plist->Add( strdup(buf) );
sprintf( buf, "String(Èñêîìîå óðàâíåíèå: )" );
plist->Add( strdup(buf) );
/*sprintf( buf, "(x^2)/%d-(y^2)/%d=1", a * a - ( Right_Numb - 1 ) + n, b * b - ( Right_Numb - 1 ) + n );
plist->Add( strdup(buf) );*/
if( a * a - ( Right_Numb - 1 ) + n > 1 )
sprintf( buf, "(x^2)/%d", a * a - ( Right_Numb - 1 ) + n );
else
sprintf( buf, "x^2" );
if( b * b - ( Right_Numb - 1 ) + n > 1 )
sprintf( buf1, "-(y^2)/%d=1", b * b - ( Right_Numb - 1 ) + n );
else
sprintf( buf1, "-y^2=1" );
strcat( buf, buf1 );
plist->Add( strdup(buf) );
sprintf( buf, "String(Ðàññòîÿíèå ìåæäó ôîêóñàìè:)" );
plist->Add( strdup(buf) );
if ( (ceil(c)) == c )
sprintf( buf, "c=%f", c );
else
sprintf( buf, "c=sqrt(%d)", a * a + b * b - ( Right_Numb - 1 ) + n );
plist->Add( strdup(buf) );
sprintf( buf, "String(Ýêñöåíòðèñèòåò ãèïåðáîëû:)" );
plist->Add( strdup(buf) );
if ( (ceil(c)) == c )
{
d = drobi( (int)c, a );
sprintf( buf, "e=%s", DrobiToStr( d ) );
}
else
sprintf( buf, "e=sqrt(%d)/%d", a * a + b * b - ( Right_Numb - 1 ) + n, a );
plist->Add( strdup(buf) );
sprintf( buf, "String(Àñèìïòîòû ãèïåðáîëû:)" );
plist->Add( strdup(buf) );
d = drobi( b - ( Right_Numb - 1 ) + n, a );
if( d.znak > 0 )
{
if( !d.c )
sprintf( buf, "y=0" );
else
if( d.c != 1)
sprintf( buf, "y=+-(%s)*x", DrobiToStr( d ) );
else
sprintf( buf, "y=+-x" );
}
else
sprintf( buf, "y=+%s*x", DrobiToStr( d ) );
plist->Add( strdup(buf) );
}
/*sprintf(buf,"String(@×àñòü ïðåïîäàâàòåëÿ )");
plist->Add(strdup(buf));
sprintf(buf,"String(\"Òåìà - %s \")",selecttask->name);
plist->Add(strdup(buf));
sprintf(buf,"String(ÂÀÐÈÀÍÒ %i, ðåøåíèå çàäà÷è %i, êëþ÷ %i)", nvar, nzad, keygen );
plist->Add(strdup(buf));
sprintf(buf,"String( Ïðàâèëüíûé îòâåò - %c)", 'a' + Right_Numb - 1 );
plist->Add(strdup(buf));*/
t.pr_tst = 1;
t.ch_ask = 5;
t.right_ask = Right_Numb;
t.msg = "Òåñò óñïåøíî ñãåíåðèðîâàí.";
keygen = 0;
delete buf;
delete buf1;
return 0;
}
//-----------------------------------------------------------