“Pascal Triangle Python” Code-Antworten

Pascal Triangle Python

def printPascal(n):  
  
    for i in range(1,n + 1):  
        m = 1;  
        for j in range(1,i + 1):
            print(m, end = " ")
            m = int(m * (i - j) / j)  
        print("")
          
printPascal(int(input()))

#code by fawlid
Fawlid

Pascals Dreieck Python

def solve(A):
    pascals_triangle = []

    for i in range(A):
        pascals_triangle.append([1]*(i+1))
  
    for i in range(2,A):
        for j in range(1,i):
            pascals_triangle[i][j] = pascals_triangle[i-1][j-1] + pascals_triangle[i-1][j]

    return pascals_triangle
Donate Me

Pascals Dreieck Python Reverse -Funktion

def pascal_triangle(n):
   	trow = [1]
   	y = [0]
   	for x in range(max(n,0)):
      	print(trow)
      	trow=[l+r for l,r in zip(trow+y, y+trow)]
   	return n>=1
pascal_triangle(6) 
Itchy Iguana

Wie erzeugt ich die Elemente des Pascal -Dreiecks in Python?

"""
This implementation demonstrates how to
generate the elements of the Pascal's
triangle 
(https://en.wikipedia.org/wiki/Pascal%27s_triangle).

Let n be the number of rows to create.

Time complexity: O(n^2)
Space complexity: O(1)
"""


def generate_triangle(num_rows):
    triangle = []
    for row_idx in range(num_rows):
        current_row = [None] * (row_idx+1)
        # first and last elements of current row are always 1
        current_row[0], current_row[-1] = 1, 1
        for col_idx in range(1, row_idx):
            above_to_left_elt = triangle[row_idx - 1][col_idx-1]
            above_to_right_elt = triangle[row_idx - 1][col_idx]
            current_row[col_idx] = above_to_left_elt + above_to_right_elt
        triangle.append(current_row)
    return triangle


# Below prints: [[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1]]
print(generate_triangle(5))
Wissam

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