Crear cuenta
$items = ['a', 'b', 'c', 'a', 'b', 'c'];
extractItems($items, 'a', 'c');
print_r($items); // ['b', 'b']
$items = [1, 2, 3, 4, 5, 6, 7, 8];
extractItems($items, 4, 5, 6, 7);
print_r($items); // [1, 2, 3, 8]
$items = [1, 1, 2, 1, 1];
extractItems($items, 1);
print_r($items); // [2]
(1)1
4 1
9 4 1
16 9 4 1
25 16 9 4 1
36 25 16 9 4 1
49 36 25 16 9 4 1
64 49 36 25 16 9 4 1
81 64 49 36 25 16 9 4 1
100 81 64 49 36 25 16 9 4 1
(1)trianguloInvertido(5) # [[5, 4, 3, 2, 1], [5, 4, 3, 2], [5, 4, 3], [5, 4], [5]]
print("\n".join(map(str, trianguloInvertido(5))))
[5, 4, 3, 2, 1]
[5, 4, 3, 2]
[5, 4, 3]
[5, 4]
[5]
print("\n".join(map(lambda x: " ".join(map(str, x)), trianguloInvertido(5))))
5 4 3 2 1
5 4 3 2
5 4 3
5 4
5
print(trianguloInvertidoDecreciente(5)) # [[5, 4, 3, 2, 1], [4, 3, 2, 1], [3, 2, 1], [2, 1], [1]]
print("\n".join(map(str, trianguloInvertidoDecreciente(5))))
[5, 4, 3, 2, 1]
[4, 3, 2, 1]
[3, 2, 1]
[2, 1]
[1]
print("\n".join(map(lambda x: " ".join(map(str, x)), trianguloInvertidoDecreciente(5))))
5 4 3 2 1
4 3 2 1
3 2 1
2 1
1
