3)
#include <iostream>
using namespace std;
int main(){
int i,n,nr;
cout<<"Introduce nr de linii: ";
cin>>n;
for (i=1;i<=n;i++){
nr=i;
while(nr>0){
cout<<'*';
nr--;
}
cout<<endl;
}
return 0;
}
4)
#include <iostream>
using namespace std;
int main(){
int n,k,x,x0,ok=0,nr;
cout<<"Cifra ce trebuie cautata ";
cin>>k;
cout<<"De cel putin: ";
cin>>n;
cout<<"Introduceti numere pana la 0\n";
do
{
cin>>x;
x0=x;
nr=0;
while(x0>0){
if(k==x0%10){
nr++;
}
x0=x0/10;
}
if(nr==n){
ok=1;
cout<<x<<" ";
}
}while(x!=0);
if(ok==0){
cout<<"Nu exista numere sa contina cifra "<<k<<" de "<<n<<" ori";
}
return 0;
}
5)
#include <iostream>
using namespace std;
int main(){
int c,x,x0,ok;
cout<<"Introduceti cifra fata de care numerele sa aiba toate cifrele mai mari: ";
cin>>c;
cout<<"Introduceti numerele pana la 0: \n";
do{
cin>>x;
x0=x;
ok=1;
while(x0>0){
if(x0%10<=c){
ok=0;
}
x0=x0/10;
}
if(ok==1&&x!=0){
cout<<x<<" ";
}
}while(x!=0);
return 0;
}
