inapoi la pagina principala

Generare siruri

#include<iostream.h>

#include<conio.h>

main()//sa se calculeze 1+1*2+1*2*3+...+1*2*...*n

{int n,i,s=0,p=1;

clrscr();

cout<<"dati pe n ";cin>>n;

for(i=1;i<=n;i++)

{p=p*i;cout<<p<<",";}

getch();

 //o.k

}

////////////////

#include<iostream.h>

#include<conio.h>

void main()

{ float x1,x0,t,n,i;

  clrscr();cout<<"n="; cin>>n;

  x0=1; x1=2;

  for(i=1;i<=n;i++)

   { t=2*x1+x0; cout<<t<<" ";

     x0=x1; x1=t;}

getch();

}

///////

#include<iostream.h>

#include<conio.h>

int n,i,k,j;

void main(){

clrscr();

 

 cout<<"n=";

 cin>>n;

 for(i=1;i<=n;i++) {

   for(j=1;j<=i;j++) cout<<j<<",";

   for(k=1;k<=i-1;k++) cout<<i<<",";

   cout<<endl;  }

 getch();  }   //ok

 

/////////

#include<iostream.h>

main()//sa se calculeze 1+1*2+1*2*3+...+1*2*...*n

{int n,i,s=0,p=1;

cout<<"dati pe n ";cin>>n;

for(i=1;i<=n;i++)

{

p=p*i;s=s+p;

}

cout<<"suma este "<<s;

endl; //o.k

}

Free Web Hosting