Функции

#include <iostream>
using namespace std;
 
double factoriel(unsigned int num);
 
int main()
{
    int n, m, k;
    cout << "n = ";
    cin >> n;
    cout << "m = ";
    cin >> m;
    cout << "k = ";
    cin >> k;
    double result;
    cout<<factoriel(m)<<endl;
    cout<<factoriel(n)<<endl;
    cout<<factoriel(k)<<endl;
    result = ( factoriel(m) + factoriel(n) + factoriel(k) )/( factoriel(5) + factoriel(3) );
    cout << "(n!+m!+k!):(3!+5!) = " << result << endl;
    return 0;
}
 
double factoriel(unsigned int num)
{
    if( 0 == num ) return 1;
    double mult = 1;
    do {
        mult*=num;
    }
    while(--num);
    return mult;
}

#include <iostream>
 
using namespace std;
 
double Area(double a, double b, double &P, double &S);
 
int main()
{
    double a1, b1, a2, b2, Area1, Area2, P1, P2;
    cout << "Vyvedete stranite na vynshniq pravoygylnik:"<<endl;
    cout << "a1 = ";
    cin >> a1;
    cout << "b = ";
    cin >> b1;
    cout << "Vyvedete stranite na vytreshniq pravoygylnik:"<<endl;
    cout << "a2 = ";
    cin >> a2;
    cout << "b2 = ";
    cin >> b2;
    Area (a1, b1, P1, Area1);
    Area (a2, b2, P2, Area2);
    cout << "Liceto na ocvetenata chast = " << Area1 - Area2 << endl;
    cout << "Obikolkata na ocvetenata chast = " << P1 + P2 << endl;
    return 0;
}
 
double Area(double a, double b, double &P, double &S)
{
    P = 2 * a + 2 * b;
    S = a * b;
}

#include <iostream>
 
using namespace std;
 
double fib(int n);
 
int main()
{
    int k,f,i;
    cout << "k = ";
    cin >> k;
    i=1;
    while (fib(i)<=k)
    {
     
       cout<<fib(i)<<endl;
       i++; 
    }
    return 0;
}
 
double fib(int n)
{
    double a1, a2, a3;
    a1=1;
    a2=1;
    if (n==1 || n==2) return 1;
    if (n==3) return 2;
    for (int i=3; i<=n; i++)
    {
        a3= a1+a2;
        a1=a2;
        a2=a3;
    }
    return a3;
}

#include<iostream>
//#include<cmath>
using namespace std;
double f1(double a,int n)
{
    if (n==0) return 1;
    if (n>0) return a*f1(a,n-1);
    if (n<0) return 1.0/f1(a,-n);
}
int main()
{
  double p,q,k,r,A;
  cout<<"p=";
  cin>>p;
  cout<<"k=";
  cin>>k;
  cout<<"q=";
  cin>>q;
  cout<<"r=";
  cin>>r;
  A=(f1(p,k)-f1(q,r))/2;
  cout<<"A="<<A<<endl;
return 0;
}

#include<iostream>
#include<cmath>
using namespace std;
int f1(double a,double b,double c, double &x1, double &x2)
{
 if (a==0)
    if (b==0)
        if (c==0) 
        {
            cout<<"Всяко х е решение"<<endl;
            return 0;
        }
        else
        {
            cout<<"Няма решение"<<endl;
            return 0;
        }
    else
    {
        cout<<"x = "<<-c/b<<endl;
        return 0;
    }
else
{
 double D;
 D=b*b-4*a*c;
 if (D<0)
 {
     cout<<"Няма реални корени"<<endl;
     return 0;
 }
 else
 {
 x1=(-b-sqrt(D))/(2*a);
 x2=(-b-sqrt(D))/(2*a);
 return 1;
 }
}
}
int main()
{
  double A,a,b,c,x1,x2,rez;
  cout<<"a=";
  cin>>a;
  cout<<"b=";
  cin>>b;
  cout<<"c=";
  cin>>c;
  rez=f1(a,b,c,x1,x2);
  if (rez==1)
  {
  A=x1+2*x2;
  cout<<"A="<<A<<endl;
  }
  else
  cout<<"Изразът не може да получи стойност"<<endl;
return 0;
}

#include<iostream>
using namespace std;
double fNOD(int a,int b)
{
    while(a!=b)
    if(a>b)a=a-b;
    else b=b-a;
    return a;
}
int main()
{
  double A,a,b,c,d;
  cout<<"a=";
  cin>>a;
  cout<<"b=";
  cin>>b;
  cout<<"c=";
  cin>>c;
  cout<<"d=";
  cin>>d;
  A=fNOD(a,b)+2*fNOD(c,d);
  cout<<"A="<<A<<endl;
return 0;
}

#include<iostream>
using namespace std;
double fNOD(int a,int b)
{
    while(a!=b)
    if(a>b)a=a-b;
    else b=b-a;
    return a;
}
int main()
{
  double NOK,a,b,c,d;
  cout<<"a=";
  cin>>a;
  cout<<"b=";
  cin>>b;
  NOK=(a*b)/fNOD(a,b);
  cout<<"NOK(a,b)="<<NOK<<endl;
return 0;
}

#include<iostream>
#include<math.h>
using namespace std;
double fNOD(int a,int b)
{
    while(a!=b)
    if(a>b)a=a-b;
    else b=b-a;
    return a;
}
int main()
{
  int i,mas[20];
  for(i=0;i<20;i++)
  {
    cout<<"mas["<<i<<"]=";
    cin>>mas[i];
 
  }
  int p=fNOD(mas[0],mas[1]);
  for(i=2;i<20;i++)
  {
      p=fNOD(p,mas[i]);
  }
  cout<<"NOD="<<p<<endl;
return 0;
}

#include<iostream>
using namespace std;
int f1(double a,double b,double c)
{
    if(a<b+c && b<c+a && c<a+b) return 1;
    else return 0;
}
void f2(double a,double b,double c)
{
    if(a==b && b==c) cout<<"ravnostranen";
    else
    if (a==b || b==c || c==a) cout<<"ravnobedren";
    else
    cout<<"raznostranen";
}
int main()
{
    int n,i,j,a[50][3],k;
    cout<<"n=";
    cin>>n;
    for(i=0;i<n;i++)
    for(j=0;j<3;j++)
    {
        cout<<"a["<<i<<"]["<<j<<"]=";
        cin>>a[i][j];
    }
    for(i=0;i<n;i++)
    {
        cout<<a[i][0]<<"  "<<a[i][1]<<"  "<<a[i][2]<<endl;
        k=f1(a[i][0],a[i][1],a[i][2]);
        if(k==1)
        {
            cout<<"Yes ";
            f2(a[i][0],a[i][1],a[i][2]);
        }
        else
        cout<<"No ";
        cout<<endl;
    }
return 0;
}

#include<iostream>
using namespace std;
void InputArray(int k,int arr[])
{
for(int i=0;i<k;i++)
{
   cout<<"arr["<<i<<"]=";
   cin>>arr[i];
}
}
void DisplayArray(int k,int arr[])
{
   for(int i=0;i<k;i++) cout<<arr[i]<<" ";
   cout<<endl;
}
void BinaryCode(int p)
{
    if(p<2) cout<<1;
    else
    {
       BinaryCode(p/2);
       cout<<p%2;
    }
}
int main()
{
  int i,n,mas[30];
  cin>>n;
  InputArray(n,mas);
  DisplayArray(n,mas);
  for(i=0;i<n;i++)
  {
      BinaryCode(mas[i]);
      cout<<" ";
  }
return 0;
}

#include<iostream>
using namespace std;
void InputArray(int k,int arr[])
{
for(int i=0;i<k;i++)
{
   cout<<"arr["<<i<<"]=";
   cin>>arr[i];
}
}
void DisplayArray(int k,int arr[])
{
   for(int i=0;i<k;i++) cout<<arr[i]<<" ";
   cout<<endl;
}
int Sum(int p)
{
    int ost,s=0;
    while(p!=0)
    {
        ost=p%10;
        p=p/10;
        s=s+ost;
    }
    return s;
}
int main()
{
    int i,n,A[40],B[40];
    cin>>n;
    InputArray(n,A);
    for(i=0;i<n;i++)
    {
        B[i]=Sum(A[i]);
    }
    DisplayArray(n,B);
    return 0;
}

#include<iostream>
using namespace std;
void InputArray(int k,int arr[])
{
for(int i=0;i<k;i++)
{
   cout<<"arr["<<i<<"]=";
   cin>>arr[i];
}
}
void DisplayArray(int k,int arr[])
{
   for(int i=0;i<k;i++) cout<<arr[i]<<" ";
   cout<<endl;
}
int Mul(int p)
{
    int ost,s=1;
    while(p!=0)
    {
        ost=p%10;
        p=p/10;
        s=s*ost;
    }
    return s;
}
 
void SortArray(int k,int *q)
{
    int temp;
    for(int i=0;i<k-1;i++)
    for(int j=0;j<k-i-1;j++)
    if(*(q+j)>*(q+j+1)) 
    {
        temp=*(q+j);
        *(q+j)=*(q+j+1);
        *(q+j+1)=temp;
    }
}
 
int main()
{
    int i,n,A[40],B[40],f,m=0;
    cin>>n;
    InputArray(n,A);
    for(i=0;i<n;i++)
    {
        f=Mul(A[i]);
        if (f%3==0) {
                        B[m]=f; 
                        m++;
                    }
    }
    SortArray(m,B);
    DisplayArray(m,B);
    return 0;
}