Citirea si afisarea unei matrici
/*programul foloseste fisiere(vezi varianta fara fisiere mai jos)*/#include<iostream.h>
#include<conio.h>
#include<fstream.h>
#include<iomanip.h>
int main()
{int x[100][100],i,j,n;
fstream f1("matrice.txt" ,ios::in);
fstream f2("rezolvare.txt" ,ios::out);
/*mai jos se face citirea matricei din fisierul f1(matrice.txt)*/
f1>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f1>>x[i][j];
/*mai jos se face afisarea matricei in fisierul f2(rezolvare.txt)
f2<<"Matricea este:"<<endl<<endl;
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
f2<<setw(4)<<x[i][j];
f2<<endl;}
getche();
}
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//varianta fara fisiere
#include<iostream.h>
#include<conio.h>
#include<fstream.h>
#include<iomanip.h>
int main()
{int x[100][100],i,j,n,m;
cout<<"n= ";cin>>n;
cout<<"m= ";cin>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{cout<<"x["<<i<<"]["<<j<<"]= ";cin>>x[i][j];}
cout<<"Matricea este:"<<endl<<endl;
for(i=1;i<=n;i++)
{for(j=1;j<=m;j++)
cout<<setw(4)<<x[i][j];
cout<<endl;}
getche();
}
/*program realizat in DevC++ / pt Microsoft studio visual c++ trebuie schimbata functia principala "int main()" in "void main()" si trebuie stearsa functia "gerche();" de la sfarsitul programului.*/
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