Решение задачи Matrix 9

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int m, n;
    cin >> m >> n;
    int a[m][n];
    for(int i = 0; i < m; ++i){
        for(int j = 0; j < n; ++j)
            cin >> a[i][j];
    }
    for(int i = 1; i < m; i+=2){
        for(int j = 0; j < n; j++)
            cout << a[i][j] << ' ';
        cout << endl;
    }
    return 0;
}

import random
import numpy

M = random.randrange(2,10)
N = random.randrange(2,10)
print("M = ",M,"; N = ",N)
a = numpy.zeros((M, N))

for i in range(M):
    for j in range(N):
        a[i][j] = random.randrange(-5,5)
print(a)
print("Even Rows: ")
for i in range(0,M,2):
    print(a[i])
print()

Matrix = [[random.randrange(-5,5) for x in range(N)] for y in range(M)]
print(Matrix)
print("Even Rows: ")
for i in range(0,M,2):
    print(Matrix[i])
print()
									

program Matrix9;
var
  a:array [1..10,1..10] of integer;
  M, N, i, j:Integer;
 
begin
 Write('N: ');
 Readln(N);
 Write('M: ');
 Readln(M);
 
 for  i:=1 to M do
  begin
   writeln(i,': ');
   for j:=1 to N do
    begin
     Write(j,' : ');
     Read(a[i,j]);
    end;
  end;
 
  i:=0;
  while (i<M) do
  begin
   i:=i+2;
   for j:=1 to N do Write(' : ',a[i,j]);
   writeln(' : ');
  end;
end.