Convert numbers from decimal to binary and check your answers by converting binary back to decimal.Информатика по англиский

//PascalABC.NET 3.3,сборка 1611 от 06.01.2018//Внимание! Если программа не работает, обновите версию!

begin

  var mas:=ArrRandom(20,-99,99); mas.Println;

  var a:=mas[0:10]; var b:=mas[10:20]; 

   Writeln('количество положительных элементов=',a.Where(t->t>0).Count);

    Writeln('количество отрицательных элементов=',b.Where(t->t<0).Count);

end.
это как учат в школе :->

var 

i,k,l:integer;

mas:Array[1..20] of integer;

begin

randomize;

for i:=1 to 20 do

mas[i]:=random(-99,99);

for  i:=1 to 10 do

if mas[i]>0 then

k:=k+1;

for  i:=11 to 20 do

if mas[i]>0 then

l:=l+1;

Writeln('количество положительных элементов=',k);

    Writeln('количество отрицательных элементов=',l);

    end.

1)

#include <iostream>

#include <cstdlib>

#include <ctime>

using namespace std;

void print_matrix(int **matrix, const int n)

{

for (int jjj = 0; jjj < n; jjj++)

{

for (int kkk = 0; kkk < n; kkk++)

cout << matrix[jjj][kkk] << " ";

cout << endl;

};

}

void fill_matrix(int **matrix, const int n)

{

int min = 0;

int max = 100;

for (int jjj = 0; jjj < n; jjj++)

for (int kkk = 0; kkk < n; kkk++)

matrix[jjj][kkk] = rand() % (max - min + 1) + min;

}

void transform_matrix(int **matrix1, int **matrix2, const int n)

{

int xswap = rand() % n;

int yswap = rand() % n;

cout << "\n"

<< xswap << " " << yswap << endl;

for (int jjj = xswap; jjj < n; jjj++)

for (int kkk = 0; kkk < n; kkk++)

matrix2[jjj][kkk] = matrix1[jjj - xswap][kkk];

for (int jjj = 0; jjj < xswap; jjj++)

for (int kkk = 0; kkk < n; kkk++)

matrix2[jjj][kkk] = matrix1[jjj + n - xswap][kkk];

for (int jjj = 0; jjj < n; jjj++)

for (int kkk = yswap; kkk < n; kkk++)

matrix2[jjj][kkk] = matrix1[jjj][kkk - yswap];

for (int jjj = 0; jjj < n; jjj++)

for (int kkk = 0; kkk < yswap; kkk++)

matrix2[jjj][kkk] = matrix1[jjj][kkk + n - yswap];

}

int main()

{

srand(time(0));

const int n = 5;

int **matrix1 = new int *[n];

for (int jjj = 0; jjj < n; jjj++)

matrix1[jjj] = new int[n];

fill_matrix(matrix1, n);

print_matrix(matrix1, n);

int **matrix2 = new int *[n];

for (int jjj = 0; jjj < n; jjj++)

matrix2[jjj] = new int[n];

transform_matrix(matrix1, matrix2, n);

cout << endl;

print_matrix(matrix2, n);

}