Cum calculez patratul unei matrice in C++/transpusa sa?
Răspunsuri la întrebare
Răspuns:
#include <iostream>
using namespace std;
int b[30][30];
void citire(int x[30][30], int n)
{
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
cout << "a[" << i << "][" << j << "]:";
cin >> x[i][j];
}
}
}
void afisare(int a[30][30], int n)
{
for (int i = 0; i < n; i++)
{
cout << endl;
for (int j = 0; j < n; j++)
{
cout << a[i][j] << " ";
}
}
}
void patrat(int a[30][30], int n)
{
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
for (int k = 0; k < n; k++)
{
b[i][j] += a[i][k] * a[k][j];
}
}
}
cout << "Matricea la patrat:" << endl;
afisare(b, n);
}
void transpusa(int a[30][30], int n)
{
int aux;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if (i <= j)
{
aux = a[i][j];
a[i][j] = a[j][i];
a[j][i] = aux;
}
}
}
cout << "Transpusa:" << endl;
afisare(a, n);
}
int main()
{
int a[30][30], n;
cout << "n:";
cin >> n;
citire(a, n);
patrat(a, n);
transpusa(a, n);
}
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