C++ задания - C++ - Ответ 1219831

#include <iostream>
#include <math.h>
#include <conio.h>
using namespace std;
void main()
{
float x,a,y=0;
 
for(x=1.5;x<=3.5;x+=0.5)
{
a=sqrt(cos(x)+pow(sin(x),2));
y=(pow(x,5)*a*x/(x*x+y))+pow(cos(x),5);
if((x<=3.5)&&(x>=2.5))
cout<<"x="<<x<<" "<<"a i y ne sushestvuiut"<<endl;
else
cout<<"x="<<x<<" "<<"a="<<a<<" "<<"y="<<y<<endl;
}
getch();
}

#include <iostream>
#include <math.h>
#include <conio.h>
using namespace std;
double f(double x)
{return pow(2*(x*x),1.0/3)-pow(x,3);}
void main()
{
double x1=4/15,x2=4/5,x_rez,y1,y2,y_rez;
const double eps=0.001;
do
{
x_rez=(x1+x2)/2;
y1=f(x1);
y2=f(x2);
y_rez=f(x_rez);
if(((y_rez>0)&&(y1>0))||((y_rez<0)&&(y1<0)))
x1=x_rez;
else
x2=x_rez;
}
while(fabs(y_rez)>eps);
{
cout<<x_rez<<" "<<y_rez<<endl;
}
getch();
}

#include <vcl\condefs.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream.h>
#include <math.h>
#include <conio.h>
#pragma hdrstop
//--------------------------------------------------------------------
//USERES("Project1.res");
//--------------------------------------------------------------------
float Inter(float x1,float y1, float x2,float y2)
{
   float y3,x3;
   x3 = (x1+x2)/2;
   float k = (y2 - y1)/fabs(x2-x1);
   y3 = (x3-x1)*k + y1;
   return y3;
}
int main(int argc, char **argv)
{
    const int n  = 8;
    float x[n],y[n];
    float x2[2*n-1],y2[2*n-1];
    cout << "Vvedite massv tochek v vide x y:" << endl;
    int i;
    for(i=0;i<n;i++)
      cin >> x[i] >> y[i];
    for (i=0;i<n-1;i++)
        {
           x2[i*2] = x[i];
           x2[i*2+1] = (x[i]+x[i+1])/2;
           y2[i*2] = y[i];
           y2[i*2+1] = Inter(x[i],y[i],x[i+1],y[i+1]);
        }
    y2[n*2-2] = y[n-1];
    x2[n*2-2] = x[n-1];
    cout << "resultat" << endl;
    cout << "nachalniy massiv:" <<endl;
    for(i=0;i<n;i++)
       cout << "x[" << i << "]=" << x[i] << " y[" << i << "]=" << y[i] << endl;
    cout << "Dopolneniy massiv:" << endl;
    for(i=0;i<n*2-1;i++)
       cout << "x2[" << i << "]=" << x2[i] << " y2[" << i << "]=" << y2[i] << endl;
    getch();
    return 0;
}