Задание №120

#include <iostream>

#include <string>

#include <cmath>

using namespace std;

int main()

{

double x;

double a[3];

string namef[3]={"sin(x)","cos(x)","ln(x)"};

int ind[3]={0,1,2};

int n=3;

cout<<"Введите х ";

cin>>x;

if(x<=0)

{

cout<<"ln(x) не определен"<<endl;

if(sin(x)>cos(x))

cout<<"cos(x)="<<cos(x)<<"; sin(x)="<<sin(x)<<endl;

else

cout<<"sin(x)="<<sin(x)<<"; cos(x)="<<cos(x)<<endl;

}

else

{

a[0]=sin(x);

a[1]=cos(x);

a[2]=log(x);

double dtmp;

int tmp;

for(int i=0;i<n-1;++i)

for(int j=0;j<n-1;++j)

if (a[j+1]<a[j])

{

dtmp=a[j+1];

a[j+1]=a[j];

a[j]=dtmp;

tmp=ind[j+1];

ind[j+1]=ind[j];

ind[j]=tmp;

}

cout<<namef[ind[0]]<<"="<<a[0]<<"; "<<namef[ind[1]]<<"="<<a[1]<<"; "<<namef[ind[2]]<<"="<<a[2]<<"; "<<endl;

}

return 0;

}