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- #include <iostream>
- #include <time.h>
- using namespace std;
- const int N = 3;
- const int P = 3;
- int main()
- {
- int a[N][P];
- int opred;
- setlocale(LC_ALL, "Rus");
- srand(time(NULL));
- cout << "Найти определитель матрицы 3 на 3 " << endl;
- cout << "Вывод элементов" << endl;
- for (int i = 0; i < N; i++)
- {
- for (int j = 0; j < P; j++)
- {
- a[i][j] = rand() % 12;
- cout << a[i][j] << " ";
- }
- cout << endl;
- }
- cout << "Определитель равен " << endl;
- for (int i = 0; i < P; i++)
- {
- for (int j = 0; j < N; j++)
- {
- opred= (a[0][0] * a[1][1] * a[2][2]) + (a[0][1]* a[1][2]* a[2][0]) + (a[0][2]* a[1][0]*a[2][1] )-
- ((a[2][0]* a[1][1] * a[0][2])+(a[2][1]* a[1][2]* a[0][0])+(a[2][2]* a[1][0]* a[0][1]));
- }
- }
- cout << opred<<endl;
- return 0;
- }
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