atestatul.MyForum.ro

valy_d11 · Administrator Data inscrierii: 27/Mai/2008 Mesaje: 2

1)
#include <iostream.h>
#include <conio.h>

int i, j, float aux, x, v[11];
ofstream f("c:\\atestat\\date.in),
g("c:\\atestat\\date.out);

void inserare (float v[10])
{
int i;
v[10]=v[9]; v[9]=(float) (v[8]+v[10])/2;
}

int minim (float v[11])
{
int i; float min=v[10];
for (i=1; i<10; i++)
if (min>v[i]) min= v[i];
return min;
}

void main()
{
clrscr();
cout<<"introduceti 10 valori mai mici ca 100: "<<endl;
for (i=1; i<10; i++)
{
do cin>>x; while (x>100);
f<<x<<" "; v[i]=x;
}
f.close();
inserare (v);
cout<<"dupa inserare: ";
for(i=0; i<11; i++) cout<<v[i]<<" ";
cout<<endl<<"minimul este: "<<minim(v)<<endl;
for (i=o; i<10; i++)
for (j=i+1; j<11; j++)
if (v[i]>v[j])
{
aux= v[i]; v[i]=v[j]; v[j]= aux;
}
for( i= 0; i<11; i++)
g<<v[i]<<" ";
g.close();
}

2)
#include <iostream.h>
#include <math.h>
#include <conio.h>

ofstream
f("c:\\atestat\\date.in"), g("c:\\date.out");
int v[10], i, j, aux, x;

inr prim(int x)
{
for (int i=2; i<=sqrt(x); i++)
if (x%i==0) return 0;
return 1;
}

int nrprime(int v[10])
{
int s=0, i;
for(i=0; i<10;i++)
if (prim(v[i])) s++;
return s;
}

int maxim (int v[10])
{
int i; float max=v[0];
for(i=0; i<10;i++)
if (max<v[i]) max =v[i];
return max;
}

void main()
{
clrscr();
cout<<"introduceti 10 valori mai mici ca 100";
for (i=0; i<10; 1++)
{
do cin>>x; while (x>100);
f<<x<<" "; v[i]=x;
}
f.close();
cout<<endl<<"maximul este: "<<maxim(v)<<endl;
cout<<"numarul celor prime este: "<<nrprime(v);
for(i=0; i<9; i++)
for (j=i+1; j<10; j++)
if (v[i]>v[j]) aux=v[i]; v[i]=v[j]; v[j]=aux;
for (i=0; i<10; i++) g<<v[i]<<" ";
g.close();
}

3)
#include <iostream.h>
#include <math.h>
#include <conio.h>

ofstream
f("c:\\atestat\\date.in"), g("c:\\date.out");
int v[10], i, j, aux, x;

int sumacif(int x)
{
int i, s=0;
while (x)
{
s+= x % 10; x /= 10;
}
return s;
}

int par(int v[10])
{
int s=0, i;
for(i=0; i<10; i++) if (v[i] % 2==0) s+=sumacif(v[i]);
return s;
}
int perfect(int x)
{
if (int(sqrt(x)*int(sqrt(x) ==x) return 1;
return 0;
}

int nperf(int v[10])
{
int i, s=0;
for(i=0; i<10; i++) if(perfect(v[i])) s++;
return s;
}

void main ()
{
cout<<"introduceti 10 valori mai mici ca 100";
for(i=0; i<<10; i++)
{
do cin>>x; while(x>100);
f<<x<<" "; v[i]=x;
}
f.close();
cout<<endl<<"suma cifrelor pare este: "<<par(v)<<endl;
cout<<"nr. elementelor patrate divine este: "<<nrperf(v)<<endl;
for(i=0; i<9; i++)
for(j=i+1; j<10; j++) if(v[i],v[j]) aux=v[i], v[i]=v[j], v[j]=aux;
for(i=0; i<10; i++) g<<v[i]<<" ";
g.close();
}

4)
#include <fstream.h>
#include <conio.h>

ofstream f("c:\\atestat\\date.in"),
g("c:\\atestat\\date.out");
int v[11];

int suma()
{
for (int i=1, s=0; i<=10; i++) if (v[i]%2==1) s+= v[i];
return s;
}

int palindrom(int x)
{
int y=x, nr=0;
while (y!=0)
{
nr = nr*10 + y%10;
y/=10;
}
if(nr==x) return 1;
else return 0;
}

int numar()
{
int n=0;
for(int i=1; i<=10; i++) if(v[i]>10&&palindrom(v[i])) n++;
return n;
}

void ordonare()
{
int x;
for(int i=1; i<=9; i++)
for(int j=i+1; j<=10; j++) if(v[i]<v[j]) x=v[i], v[i]=v[j], v[j]=x;
}

void main()
{
clrscr();
int i;
cout<<"introduceti cele 10 numere(<100): "<<endl;
for(i=1; i<=10; i++)
{
do cin>>v[i]; while( v[i]>100) f<<v[i]<<" ";
}
f.close();
cout<<"suma elementelor impare este: "<<suma()<<endl;
cout<<"nr. de palindroame din fisier este: "<<numar()<<endl;
ordonare();
for(i=1; i<=10; i++) g<<v[i]<<" ";
g.close();
}

5)
#include<fstream.h>
#include<math.h>
#include<conio.h>
ofstream f("c:\\atestat\\date.in"),
g("c:\\atestat\\date.out");
int v[10], i, j, aux, x;

int suma()
{
int c, s;
ifstream f("c:\\atestat\\date.in");
s=0
for(i=1; i<=10; i++)
{f>>c; if(c%2==0&&i%2==1) s+=c}
f.close();
return s;
}

int prim(int x)
{
for(int i=2; i<=sqrt(x); i++) if(x%i==0) return 0;
return 1;
}

int nrprime(int v[10])
{
int s=0, i;
for(i=0; i<10l i++) if(prim(v[i])) s++;
return s;
}

void main()
{
clrscr();
cout<<"introduceti 10 valori mai mici ca 100"<<endl;
for(i=0; i<10; i++)
{
do cin>>x; while (x>100);
f<<x<<" "; v[i]=x;
}
f.close();
cout<<endl<<"suma elem. pare de pe poz. impare este: "<<suma();
cout<<endl<<"numarul celor prime este: "<<nrprime(v)<<endl;
for(i=0; i<9; i++)
for(j=j+1; j<10; j++) if(v[i]>v[j]) aux=v[i], v[i]=v[j], v[j]=aux;
for(i=0; i<10; i++) g<<v[i]<<" ";
g.close();
}

6)
#include<fstream.h>
#include<math.h>
#include<conio.h>

ofstream f("c:\\atestat\\date.in"),
g("c:\\atestat\\date.out");
int v[10], i, j, aux, x;

int suma()
{
int c, s;
ifstream f("c:\\atestat\\date.in");
s=0
for(i=1; i<=10; i++)
{f>>c; if(c%2==0&&i%2==1) s+=c}
f.close();
return s;
}

int este(int x)
{
int i, vb, c;
ifstream f("c:\\atestat\\date.in");
vb=o;
for(i=1; i<=10; i++)
{
f>>c; if(c==x) vb=1;
}
f.close();
return vb;
}

void main()
{
clrscr();
cout<<"introduceti 10 valori mai mici ca 100: "<<endl;
for(i=0; i<10; i++)
{
do cin>>x; while(x>100);
f<<x<<" "; v[i]=x;
}
f.close()
cout>>"suma elem. impare de pe pozitii pare este: "<<suma();
cout<<endl;
do
{
cout<<"x= "; cin>>x;
}
while(x>100);
if(este(x)) cout<<"numarul este in fisier."<<endl;
else cout<<"numarul nu este in fisier."<<endl;
for(i=0; i<9; i++)
for(j=i+1; j<10; j++)
if(v[i]>v[j]) aux=v[i], v[i]=v[j], v[j]=aux;
for(i=0; i<10; i++) g<<v[i]<<" ";
g.close();
}

7)
#include<fstream.h>
#include<math.h>
#include<conio.h>

ofstream f("c:\\atestat\\date.in"),
g("c:\\atestat\\date.out");
int v[10], a[10][10], i, j, aux, x;

int palin(int x)
{
int x1=x, s=0;
while(x1) { s=s*10+x1 % 10; x1/=10; }
return x==s;
}

int nrpalin()
{
int c, s=0;
ifstream f("c:\\atestat\\date.in);
for(i=0; i<10; i++)
{
f>>c;
if (palin(c)&&c>10) s++
}
f.close();
return s;
}
int max()
{
int s=a[1][1];
for(i=1; i<=4; i++)
if(s<a[i][i]) s=a[i][i];
return s;
}

void ordonare(int v[16])
{
int i;
for(i=1; i<=4; i++) v[i]=a[2][i];
for(i=1; i<=3; i++)
for(j=j+1; j<=4; j++)
if(v[i]>v[j]) aux=v[i], v[i]=v[j], v[j]=aux;
for(i=1; i<=4; i++) g<<v[i]<<" ";
g.close();
}

void main()
{
clrscr();
cout<<"introduceti numere mai mici decat 100"<<endl;
for(i=1; i<=4; i++)
{
for(j=1; j<=4; j++)
{
do cin>>x; while(x>100);
f<<x<<" "; a[i][j]=x;
}
f<<endl;
}
f.close();
ifstream f1("c:\\atestat\\date.in");
cout<<"fisierul text date.in contine elementele:"<<endl;
for(i=1; i<=4; i++)
{
for(j=1; j<=4; j++)
{
f1>>x; cout<<x<<" ";
}
cout<<endl;
}
f1.close();
cout<<endl<"elem. maxim de pe diagonala principala: "<<max();
cout<<endl<<"nr. elementelor de tip palindrom: "<<nrpalin();
ordonare(v);
}

8)
#include<fstream.h>
#include<math.h>
#include<conio.h>

int v[10], a[10][10], i, j, aux, x;
ofstream f("c:\\atestat\\date.in"),
g("c:\\atesta\\date.out");

int inv(int n)
{
int s=0;
while(n) { s=s*10+n%10; n/=10; }
return s;
}

int prim(int x)
{
for(int i=2; i<=sqrt(x); i++)
if(x%i==0) return 0;
return 1;
}

int super_p()
{
int s, x;
ifstream f1("c:\\atestat\\date.in");
s=o;
while(f1>>x) if(prim(x)&&prim(inv(x))&&(x>10)) s++;
f1.close();
return s;
}

int max()
{
int s=a[1][4];
for(i=1; 1<=4; i++) if(s<a[i][5-i]) s=a[i][5-i];
return s;
}

void ordonare(int v[16])
{
int i;
for(i=1; i<=4; i++) v[i]=a[3][i];
for(i=1; i<=3; i++)
for(j=j+1; j<=4; j++)
if(v[i]>v[j]) aux=v[i], v[i]=v[j], v[j]=aux;
for(i=1; i<=4; i++) g<<v[i]<<" ";
g.close();
}

void maine()
{
clrscr()
cout<<"introduceti numere mai mici decat 100"<<endl;
for(i=1; i<=4; i++)
{
for(j=1; j<=4; j++)
{
do cin>>x; while(x>100);
f<<x<<" "; a[i][j]=x;};
f<<endl;}
f.close();
ifstream f1("c:\\atestat\\date.in");
cout<<"fisierul text date.in contine elementele:"<<endl;
for(i=1; i<=4; i++) {
for(j=1; j<=4; j++) { f1>>x; cout<<x<<" "; }
cout<<endl; }
f1.close();
cout<<"elem. maxim de pe diagonala secundara: "<<max()<<endl;
cout<<"nr elementelor superprime; "<<super_p()<<endl;
ordonare(v);
}

9)
#include<fstream.h>
#include<math.h>
#include<conio.h>

int v[10], i, j, aux, x;
ofstream f("c:\\atestat\\date.in"),
g("c:\\atestat\\date.out")

int prim(int x)
{
for(int i=2; i<=sqrt(x); i++) if (x%1==0) return 0;
return 1;
}
int nrprime(int v[10])
{
for (int i=0,s=0;i<10;i++) if(prim(v[i])) s++;
return s;
}

int maxim (int v[10])
{
int i, max=v[0];
for (i=1;i<=10; i++) if (max<v[i]) max=v[i];
return max;
}
int sumacif(int x)
{
int i, s=0;
while (x) {s+=x % 10; x/=10;}
return s;
}
void main(){
clrscr();
cout<<"introduceti 10 valori mai mici ca 100: "<<endl;
for (i=0;i<=10;i++){
do cin>>>x;
while (x>100);
f<<x<<" "; v[i]=x;}
f.close();
cout<<"suma cifrelor elementului max este: "<<sumacif(maxim(v))<<endl;
cout<<"nr celor prime este: "<<nrprime(v)<<endl;
for (i=0;i<9;i++)
for (j=i+1;j<10;j++)
if (v[i]>v[j]) aux=v[i], v[i]=v[j],v[j]=aux;
for (i=0; i<10;i++) g<<v[i]<<" ";
g.close();
}

10.#include<fstream.h>
#include<math.h>
#include<conio.h>

ofstream f(“c:\\atestat\\date.in”)
g(“c:\\atestat\\date.out”);
int v[10], i, j, aux, x;

int suma( int v[10])
{int i,s=0;
for (i=0; i<10; i++)
return s;
}

int sumacif(int x)
{int i,s=0;
while(x) { s+=x % 10; x/=10; }
return s;
}

int sumapar( int v[10] )
{
for(int i=0,s=0; i<10; i++) if(sumacif(v[i] )%2==0) s++;
return s;

void main()
{
cout<<”introduceti 10 valori mai mici ca 100”<<endl;
for(i=0; i<10; i++) {
do cin>>x; while(x>100);
f<<x<<” “; v[i]=x; }
f.close();
cout<<”Nr.elemente care au ultima cifra 3 este:
“<<suma(v)<endl;
cout<<”Nr.elemente cu suma cifrelor para: “<<sumapar(v)<<endl;
for (i=0; i<9; i++)
for (j=j+1; j<10; j++)
if (v[i]<v[j]) aux = v[i],v[i]=v[j],v[j]=aux;
for (i=o; i<10; i++) g<<v[i]<<” “;
g.close();
}

11.#include<fstream.h>
#include<math.h>
#include<conio.h>

ofstream f(“c\\atestat\\date.in”),
g(“c:\\atestat\\date.out);
int v[10], i, j, aux, x;
int sumacif(int x)
{int s=0;
while(x) { if(x%10%2 == 0) s+=x%10;}
return s;
}

int suma ( int v[10])
{
for( int i=0; i<10; i++) s += sumacif(v[i]);
return s;
}

int prim(int x)
{
for(int i=2; i<=sqrt(x) ; i++) if (x %i==0) return 0;
return 1;
}

int nrprime(int v[10])
{int s=0, i;
for (i=0; i<10; i++) if (prim(v[i])&&v[i]>10) s++;
return s;
}

void main()
{
clrscr();
cout<<”Introduceti 10 valori mai mici ca 100:<<endl;
for (i=o; i<10; i++) {
do cin>>x; while(x>100);
f<<x<<” “; v[i]=x; }
f.close();
cout<<”Suma cifrelor pare ale nr. din fisier:
“<<suma(v)<<endl;
cout<<”Nr. elem. prime:”<<nrprime(v)<<endl;
for(i=0 ;i<9; i++)
for(j=i+1; j<10; j++)
if (v[i]>v[j]) aux = v[i], v[i] = v[j], v[j]= aux;
for (i=0; i<10 i++) g<v[i]<” “;
g,close();

}

12.#include<fstream.h>
#include<conio.h>
#include<math.h>
ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int v[10], i, j, aux, x, a, b;

void interval( int v[10])
{
for(int i=0; i<10; i++)
if (v[i]>=a && v[i]<=b) cout<<v[i]<<” “;
cout<<endl;
}
int prim(int x)
{
for (int i=2; i<=sqrt(x) ; i++) if (x%i==0) return 0;
return 1;
}

int maxprim(int v[10])
{int s,i=0
while(!prim(v[i])) i++;
s=v[i];
for(int j=I; j<10; j++) if (prim(v[j]) && v[j]>s) s=v[j];
return s;
}

void main()
{
clrscr();
cout<<”Introduceti 10 valori mai mici ca 100”<<endl;
for (i=0; i<10; i++) {
do cin>>x; while(x>100);
f<<x<<” “; v[i]=x; }
f.close();
do {cout<<”a=”; cin>>a;} while (a>100);
do (cout<<”b=”;cin>>b;} while (b>100);
cout<<”In intervalul [a,b] se afla numerele: “;
interval(v);
cout<<”Cel mai mare numar prim este: “<<maxprim(v)<<endl;
for (i=0; i<9; i++)
for(j=i+1; j<10; j++)
if (v[i]<v[j]) aux=v[i], v[i]=v[j], v[j]=aux;
for (i=0; i<10; i++) g<<v[i]<<” “;
g.close();
}

13.#include<fstream.h>
#include<conio.h>
ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int v[11];

int suma()
{
int i,s=0,x;
for (i=1; i<=10; i++) {
x=v[i];
while(x!=0) {if(x%10%2==1) s+=x%10; x/=10; }
}
return s;
}

int palindrome(int x)
{
int y=x,nr=0;
while(y!=0) { nr=nr*10+y%10; y/=10; }
return x == nr;
}

int max()
{
int m=-32766;
for(int i=1; i<=10; i++)
if(v[i]>10 && palindrom(v[i]) && v[i]>m) m=v[i];
return m;
}

void ordonare()
{
int x;
for(int i=1; i<=9; i++)
for(int j=j+1; j<=10; j++)
if (v[i]>v[j]) x=v[i],v[i]=v[j],v[j]=x;
}

void main()
{
clrscr();
int i,m;
cout<<”Introduceti cele 10 numere (<100) :”<<endl;
for (i=1; i<= 10; i++) {
do cin>>v[i]; while(v[i]>100);
f<<v[i]<<” “; }
f.close();
cout<<”Suma cifrelor impare ale tuturor nr.=:
“<<suma()<<endl;
m=max();
if (m!=-32766)
cout<<”Cel mai mare nr.palindrom este: “<<max()<<endl;
else cout<<”Nu sunt numere palindrom in vector.”<<endl;
ordonare();
for(i=1; i<=10; i++) g<<v[i]<<” “;
g.close();
}

14.#include<fstream.h>
#include<conio.h>

ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int v[11];

int suma()
{
for (int i=1,s=0; i<=9; i+=2) if (v[i]%2==0) s+=v[i];
return s }
int prim(int x)
{
for(int d=2; d<= x/2; d++) if (x%d == 0) return o;
return 1;
}

int mare()
{
int max=-32766, i;
for (i=1; i<=10; i++) if (prim(v[i]) && max<v[i]) max=v[i];
return max;
}

void ordonare()
{
int x;
for (int i=1; i<=9; i++)
for (int j=i+1; j <= 10; j++)
if (v[i]<v[j] x=v[i], v[i]=v[j], v[j]=x;
}

void main()
{
clrscr();
int i;
cout<<”Introduceti cele 10 numere(<100):”<<endl:
for (i=1; i<=10; i++){
do cin>>v[i];while(v[i]>100);
f<<v[i]<<” “; }
f.close();
cout<<”Suma elem.pare de pe pozitia imp.este:
“<<suma()<<endl;
cout<<”Cel mai mare numar prim este: “<<mare()<<endl;
ordonare();
for(i=1; i <= 10; i++) g<<v[i]<<” “;
g.close();
}

15.#include<fstream.h>
#include<conio.h>

ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int a[5] [5];

int cmmdc(int x,int y)
{
while(x!=y) if (x>y) x-=y;
else y-=x;
return x;
}
int min()
{
int min=a[1][4],i;
for (i=2; i<=4; i++) if (min>a[i][5-i]) min=a[i][5-i];
return min;
}
void ordonare()
{
int x;
for (int i=1; i<=3; i++)
for(int j=i+1; j <= 4; j++)
if (a[2][i]>a[2][j]) x=a[2][i], a[2][i]=a[2][j],
a[2][j]=x;
}

void main()
{
clrscr();
int i,j;
cout>>”Introduceti cele 16 numere(<100):”<<endl;
for (i=1; i<=4; i++) {
for (j=1; j<=4;j++)
do cin>>a[i][j]; while(a[i][j]>100;
f<<a[i][j]<<” “; }
f<<endl; }
f.close();
cout<<”Elem.min,de pe diagonala sec.este: “<<min()<<endl;
cout<<”Cmmdc=”<<cmmdc(a[1][1],a[4][4]<<endl;
ordonare();
for(i=1; i<=4; i++) g<<a[2][i]<<” “;
g.close();
}

16.#include<fstream.h>
#include<math.h>
#include<conio.h>

ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int v[11];

int numar_divizori(int x)
{
for(int i=2,nd=2; i<=x/2; i++) if(x%i == 0) nd++;
return nd; }
int numar()
{
for (int i=1,s=0; i<=10; i++) if(numar_divizori(v[i]) == 3)
s++;
return s;
}
inr prim(int x)
{
for (int d=2; d<=x/2; d++) if (x%d == 0) return 0;
return 1;
}

int max()
{
int m=-32766;
for(int i=1; i<=10; i++) if(prim(abs(v[i]))== 0&&v[i]>m)
m=v[i];
return m; }
void ordonare()
{ int x;
for(int i=1; i<=9; i++)
for(int j=i+1;i<=10 ;j++)
if (v[i]<v[j]) x=v[i],v[i]=v[j],v[j]=x;
}

void main()
{
clrscr();
int i,m;
cout<<:Introduceti ele 10 numere(<100):”<<endl;
for (i=1;i<=10;i++) {
do cin>>v[i];while(v[i]>100);
f<<v[i]<<” “;
f.close();
cout<<”Nr.elem.cu 3 divizori este: “<<numar()<<endl;
m=max();
if(m!=-32766)
cout<<Cel mai mare nuamr prim este: “<<max()<<endl;
else cout<<”Nu sunt numere neprime in fisier.”<<endl;
ordonare();
for(i=1;i<=10;i++) g<<v[i]<<” “;
g.close();
}

17.#include<fstream.h>
#include<conio.h>
ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
float v[12];

int divizibil(int a,int b)
{
if(a%b == 0) return 1;
return 0;
}

void inserare()
{
v[11]=v[10];
v[10]=(v[9]+v[11])/2;
cout<<”Dupa inserare vectorul este: “;
for (int i=1;i<=11;i++) cout<<v[i]<<” “;
cout<<endl;
}

void ordonare()
{
float x;
for(int i=1; i<=10; i++)
for(int j=i+1;j<= 11;j++)
if(v[i]<v[j]) x=v[i], v[i]=v[j],v[j]=x;
}

void main()
{
clrscr();
int i,x;
cout<<”Introduceti cele 10 numere(<100):”<<endl;
for (i=1;i<=10;i++) {
do cin>>v[i]; while (v[i]>100);
f<<v[i]<<” “;
f.close();
cout<<”x= “;cin>>x;
cout<<:Elementele divizibile cu “<<x<<” sunt: “;
for(i=1;i<=10;i++)
if(divizibil(v[i],x)) cout <<v[i]<<” “;
cout<<endl;
inserare();
ordonare();
for(i=1;i<=11;i++) g<<v[i]<<” “;
g.close();
}

18.#include<fstream.h>
#include conio.h>

ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int v[12];

int cmmdc(int a,int b)
{
while(a!=b) if(a<b) b-=a; else a - = b;
return a;
}

int calcul();
{
int c=v[1],I;
for(i=2;i<=10;i++) c=cmmdc(c,v[i]);
return c;
}

void inserare(int x)
{
v[11]=v[10];v[10]=x;
cout <<”Dupa inserare ,vectorul este: “;
for (int i=1;i<=11;i++) cout <<v[i]<<” “;
cout<<endl;
}

void ordonare()
{
int x;
for(int i=1;i<=10;i++)
for (int j=i+1;j<=11;j++)
if(v[i]<v[j]) x=v[i],v[i]=v[j],v[j]=x;
}

void main()
{
clrscr();
int i,x;
cout<<”Introduceti cele 10 numere(<100):”<<endl;
for(i=1;i<=10;i++) {
do cin >>v[i];while (v[i]>100;
f<<v[i]<<” “; }
.close();
cout<<”Cmmdc al elementelor din fisier este:
“<<calcul()<<endl;
cout<<”x= “;cin>>x;
inserare(x);
ordonare();
for(i=1;i<=11;i++) g<<v[i]<<” “;
g.close();
}

19.
#include<fstream.h>
#include<conio.h>

ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
float v[12];
float medie()
{
for(i=1,s=0;i<=10;i++) s + = v[i];
return s/10.0;
}
int prime(int a,int b)
{
while (a!=b) if (a<b) b-=a;else a - = b;
if(a!=1) return 0;
else return 1;
}

int nr(int x)
{
for(int i=1,s=0;i<=10;i++) if (prime(v[i],x)) s++;
return s;
}

void ordonare()
{
float x;
for(int i=1;i<=10;i++)
for (int j=i+1;j<=11;j++) if (v[]i<v[j])
x=v[i],v[i]=v[j],v[j]=x;
}

void main()
{
int i;float x;
clrscr():
cout <<”Introduceti cele 10 numere(<100):”<<endl;
for(i=1;i<=10;i++) {
do cin>>v[i];while(v[i]>100;
f<<v[i]<<” “;
}
f.close();
cout<<”x=”;cin>>x;
cout<<”Nr.elem.care sunr prime cu”<<x<<”este:
“<<nr(x)<<endl;
float ma = medie();
for(i=10;i<=6;i--) v[i+1] = v[i];
v[6]=ma;
cout<<”Sirul construit este:”;
for(i=1;i<=11;i++) cout<<v[]i<<” “;
cout<<endl;
ordonare();
for(i=1;i<=11;i++) g<<v[i]<<” “;
g.close();}

20.
#include<fstream.h>
#include<conio.h>

ofstream f(“c:\\atestat\\date.in”),
g(“c:\\atestat\\date.out”);
int v[11];
void mare_mic(int &max,int& min,int& pmax,int& pmin)
{
max=min=v[1];pmax=pmin=1;
for(int i=2;i<=10;i++)
if (max<v[i]) max=v[i],pmax=i;
if(min>v[i]) min=v[i],pmin=i; }
}

int numar(int a,int b)
{
for(int i=1,s=0;i<=10;i++)
if (v[i]>=a && v[i]<=b && v[i]%2 == 0) s++;
return s;
void ordonare()
{
int x;
for(int i=1;i<=9;i++)
for(int j=i+1;j<=10;j++)
if(v[i]>v[j]) x=v[i],v[i]=v[j],v[j]=x;
}

void main()
(
clrscr();
int i,a,b,min,max,pmin,pmax;
cout<<Introduceti cele 10 numere(<100):”<<endl;
for(i=1;i<=10;i++) {
do cin>>v[i];while(v[i]>100)
f<<v[i]<<” “; }
f.close();
mare_mic(max,min,pmax,pmin);
cout<<”Elementul minim este:”<<min<<” si se gaseste pe pozitia “<<pmin<<endl;
cout<<:Elementul maxim este:”<<max>>”si se gaseste pe pozitia “<<pmax<<endl;
cout<<”a=:;cin>>a;cout<<”b=”;cin>b;
cout<<”Numarul elementelor pare din intervalul (“<<a<<”,”<<b<<”) este: “<<numar (a,b)<<endl;
ordonare();
for(i=1;i<=10;i++) g<<v[i]<<” “;
g.close();
}

21)
#include<fstream.h>
#include<conio.h>
ofstream f("c:\\atestat\\date.in"),
g("c\\atestat\\date.out");
float v[12];
int cmmdc(int a,int b)
{
while (a!=b)
if (a<b) b-=a;
elsea-=b;
return a;
}

int calcul()
{int c=v[1];
for (int i=2;i<=10;i++) c=cmmdc(c,v[i]) ;
return c;
}
void ordonare()
{float x;
for (int i=1; i<=10;i++)
for (int j=i+1;j<=11;j++)
if (v[i]<v[j]) x=v[i], v[i]=v[j], v[j]=x;
}
void main ()
{
int i;
clrscr();
cout<<"introduce-ti cele 10 numere: "<<endl;
for (i=1; i<=10;i++)
{ do cin>>v[i];
while (v[i]>100);
f<<v[i]<<" ";}
f.close();
cout<<"cmmdc al elementelor este: ";
for (i=1;i<=11;i++) cout<<v[i]<<" ";
cout<<endl;
ordonare();
for (i=1;i<=11;i++) g<<v[i]<<" ";
g.close();
}

22)
#include<fstream.h>
#include<conio.h>
ofstream f("c:\\atestat\\date.in"),
g("c\\atestat\\date.out");
int a[5][5];
void minim(int& min; int& na)
{
min=a[1][1]; na=0;
for (int i=1; i<=4;i++)
for (j=1;j<=4; j++)
if (min==a[i][j]) na++;
else if (min>a[i][j] min=a[i][j], na=1;
}
int palindrom (int x)
{ int y=x, m=0;
while (y!=0) { m=m*10+y%10; y/=10;}
return m==x;
}
int numar()
{
int n=0,i,j;
for (i=1;i<=4;i++)
for (j=i+1; j<=4; j++)
if (a[i][j]>10 && palindrom(a[i][j])) n++;
return n;
}
void ordonare()
{ int x;
for (int i=1;i<=3;i++)
for (int j=i+1;j<=4;j++)
if (a[1][i]>a[1][j]) x=a[1][i], a[1][i]=a[1][j], a[1][j]=x;
}
void main()
{
clscr();
int i,j,min,na;
cout<<"introduceti cele 16 nr: "<<endl;
for (i=1;i<=4;i++)
{ for (j=1;j<=4;j++)
{ do cin>>a[i][j];
while (a[i][j]>100);
f<<a[i][j]<<" ";}
f<<endl;}
f.close();
minim(min,na);
cout<<"min. este: "<<min<<"si apare de"<<na<<"ori"<<endl;
cout<<" nr elem de tip palindrom este: "<<numar()<<endl;
ordonare();
for(i=1; i<=4;i++) g<<a[1][i]<<" ";
g.close;
}

23)
#include<fstream.h>
#include<conio.h>
ofstream f("c:\\atestat\\date.in"),
g("c\\atestat\\date.out");
int a[5][5];
int maxim()
{int max=a[2][4];
for (int j=4; j>=1;j--)
for (int i=6-j; i<=4; i++) if (max<a[i][j])
max=a[i][j];
return max;}
int perfect(int x)
{
int s=1;
for (int d=2;d<=x/2;d++) if (x%d==0) s+=d;
return s==x;
}
int numar()
{
int n=0,i,j;
for (i=1;i<=4;i++)
for (j=1;j<=4;j++)
if (a[i][j]!=1 && perfect(a[i][j])) n++;
return n;
}
void ordonare()
{
int x;
for (int i=1;i<=3;i++)
for (int j=i+1;j<=4;j++)
if (a[i][2]>a[j][2]) x=a[i][2], a[i][2]=a[j][2], a[j][2]=x;
}
void main()
{
clrscr();
int i,j;
cout <<"introduceti cele 16 nr: "<<endl;
for (i=1; i<=4;i++)
{ for (j=1;j<=4;j++)
{ do cin>>a[i][j]; while (a[i][j]>100);
f<<a[i][j]<<" ";
}
f<<endl;
}
f.close();
cout<<"elem max de sub diagonla secundara este: "<<maxim()<<endl;
cout<<"nr elem ireproșabile este: "<<numar()<<endl;
ordonare();
for (i=1;i<=4;i++) g<<a[i][2]<<" ";
g.close();
}

24.
#include<fstream.h>
#include<conio.h>
ofstream f("c:\\atestat\\date.in"),
g("c\\atestat\\date.out");
int a[5][5];
int suma()
{int s=0;
for (int i=1; i<=4; i++)
{if (a[i][1]%2==0) s+=a[i][1];
if (a[i][4]%2==0) s+=a[i][4];
}
for (int j=2;j<=3;j++)
{ if a[1][j]%2==0) s+=a[1][j];
if a[4][j]%2==0) s+=a[4][j];
}
return s;
}
int numar(int x)
{
int n=0,i,j;
for (i=1;i<=4;i++)
for(j=1;j<=4;j++) if (a[i][j]==x) n++;
return n;
}

void ordonare()
{
int x;
for (int i=1;i<=3;i++)
for (int j=i+1;j<=4;j++)
if (a[i][3]>a[j][3]) x=a[i][3], a[i][3]=a[j][3], a[j][3]=x;
}

void main()
{
clrscr();
int i,j,x;
cout <<"introduceti cele 16 nr: "<<endl;
for (i=1; i<=4;i++)
{ for (j=1;j<=4;j++)
{ do cin>>a[i][j]; while (a[i][j]>100);
f<<a[i][j]<<" ";
}
f<<endl;
}
f.close();
cout<<"suma elem de pe marginea ext este: "<<suma()<<endl;
cout<<"x= ";cin>>x;
cout<<"nr lem egale cu "<<x<<" este: "<<numar(x)<<endl;
ordonare();
for (i=1;i<=4;i++) g<<a[i][3]<<" ";
g.close();
}

25.
#include<fstream.h>
#include<conio.h>
ofstream f("c:\\atestat\\date.in"),
g("c\\atestat\\date.out");
int a[5][5];

int maxim()
{
int max=a[1][1];
for (int i=2; i<=4;i++) if (max<a[i][i]) max=a[i][i];
return max;
}

int perfect( int x)
{int s=1;
for (int d=2; d<=x/2; d++) if(x%d==0) s+=d;
return x==s;
}

int numar(int x)
{
int n=0,i,j;
for (i=1;i<=4;i++)
for(j=1;j<=4;j++) if (a[i][j]!=1 && perfect(a[i][j])) n++;
return n;
}

void ordonare()
{
int x;
for (int i=1;i<=3;i++)
for (int j=i+1;j<=4;j++)
if (a[2][i]>a[2][j]) x=a[2][i], a[2][i]=a[2][j], a[2][j]=x;
}

void main()
{
clrscr();
int i,j;
cout <<"introduceti cele 16 nr: "<<endl;
for (i=1; i<=4;i++)
{ for (j=1;j<=4;j++)
{ do cin>>a[i][j]; while (a[i][j]>100);
f<<a[i][j]<<" ";
}
f<<endl;
}
f.close();
cout<<"elem maxime de pe diag principala este:"<<maxim()<<endl;
cout<<"nr elem care sunt desăvârșite este: "<<x<<" este: "<<numar()<<endl;
ordonare();
for (i=1;i<=4;i++) g<<a[2][i]<<" ";
g.close();
}

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