23.03.2010 Triunghiuri(2)

/*Sa se afiseze triunghiurile:*/
#include< iostream.h >
#include< conio.h >
#include< math.h >
int main()
{int j,n,i,k;
cout<<"n=";cin>>n;
k=n;
for(i=1;i<=n;i++)
{for(j=1;j<=n-i;j++)
cout<<" ";
for(k=1;k<=i;k++)
cout << k;
cout << endl;}
return 0;
}

23.03.2010 Triunghiuri(1)

/*Sa se afiseze triunghiurile:*/
#include< iostream.h >
#include< conio.h >
#include< math.h >
int main()
{int j,n,i,k;
cout<<"n=";cin>>n;
k=1;
for(i=1;i<=n;i++)
{for(j=1;j<=k;j++)
cout << i << " ";
cout << endl;
k=k+1;}
return 0;
}

23.03.2010 Triunghiuri

/*Sa se afiseze triunghiurile:*/
#include< iostream.h >
#include< conio.h >
#include< math.h >
int main()
{int h,n,i,k;
cout<<"n=";cin>>n;
k=n;
for(i=1;i<=n;i++)
{
for(h=1;h<=k;h++)
cout << h << " ";
cout << endl;
k=k-1;
}
return 0;
}

23.03.2010 Numarul valorilor divizibile

/*Sa se afiseze numarul valorilor 4 cifre care sunt divizibile cu 7.*/
#include< iostream.h >
#include< conio.h >
#include< math.h >
int main()
{int k,nr;
k=0;
for(nr=1000;nr<=9999;nr++)
{if(nr%7==0)
k++;
cout << "nr=" << nr << endl;}
cout << "k=" << k;
return 0;
}

23.03.2010 Formarea unui numar

/*Se citesc de la tastatura n val.Sa se formeze un nr cu ultima cifra
a fiecarei valori citite.*/
#include< iostream.h >
#include< conio.h >
#include< math.h >
int main()
{int n,x,nr,i;
cout<<"n=";cin>>n;
nr=0;
for(i=1;i<=n;i++)
{cout<<"x=";cin>>x;
x=x%10;
nr=nr*10+x;}
cout << "Numarul format este:" << nr;
return 0;
}

Tema 16.03.2010(8)

/*Se citesc de la tastatura 10 nr reale.Sa se determine cate au ultimele 2 cifre identice.*/
#include< iostream.h >
#include< math.h >
int main()
{int i,y,k;
float x;
k=0;
for(i=1;i<=10;i++)
{cout<<"x=";cin>>x;
y=(int)x;
if(y%10==y%100/10)
k++;}
cout << "S-au citit:" << k << "Numere cu ultimele 2 cifre identice";
return 0;
}

Tema 16.03.2010(7)

/*Se citesc n cifre de la tastatura.Sa se formeze un nr cu cifrele citite.*/
#include< iostream.h >
#include< conio.h >
#include< math.h >
int main()
{int n,x,i,nr;
cout<<"n=";cin>>n;
nr=0;
for(i=1;i<=n;i++)
{cout<<"x=";cin>>x;
nr=nr*10+x;}
cout << "nr=" << nr;
return 0;
}