int cols;
int rows;
cout << "Введите размер столбцов ->" << endl;
cin >> cols;
cout << "Введите размер строк ->" << endl;
cin >> rows;
//выделение памяти для двумерного массива
int **ptrarray = new int*[cols];
for (int count = 0; count < cols; count++)
ptrarray[count] = new int[rows];
for (int count_row = 0; count_row < cols; count_row++)
for (int count_column = 0; count_column < rows; count_column++)
ptrarray[count_row][count_column] = rand() % 41 + (-20);
for (int count_row = 0; count_row < cols; count_row++)
{
for (int count_column = 0; count_column < rows; count_column++)
cout << setw(4) << setprecision(2) << ptrarray[count_row][count_column] << " ";
cout << endl;
}
// удаление двумерного динамического массива
for (int count = 0; count < cols; count++)
delete[] ptrarray[count];
delete[] ptrarray;
Объяснение:
using namespace std;
int main()
{
int A;
int B,C;
cin >> A;
B=0;
for (int i = 1; i<=3; i++)
{
B+=A%10;
A = A / 10;
}
C=0;
for (int i = 1; i<=3; i++)
{
C+=A%10;
A = A / 10;
}
if (B==C) cout << "HAPPY" << endl;
else cout << "NO" << endl;
return 0;
}