Created
November 7, 2020 04:25
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Segitiga Pascal
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| def get_from_list_or_zero(list_to_get, index): | |
| if index < 0: | |
| return 0 | |
| try: | |
| value = list_to_get[index] | |
| except IndexError: | |
| value = 0 | |
| return value | |
| def buat_list_segitiga_pascal(tinggi): | |
| segitiga_pascal_list = [[1]] | |
| if tinggi <= 1: | |
| return segitiga_pascal_list | |
| for i in range(1, tinggi): | |
| baris_pascal_list = [] | |
| for j in range(i+1): | |
| nilai_sebelum = get_from_list_or_zero(segitiga_pascal_list[i-1], j-1) | |
| nilai_sekarang = get_from_list_or_zero( | |
| segitiga_pascal_list[i-1], j) | |
| baris_pascal_list.append(nilai_sebelum + nilai_sekarang) | |
| segitiga_pascal_list.append(baris_pascal_list) | |
| return segitiga_pascal_list | |
| if __name__ == "__main__": | |
| # Diasumsikan bahwa bilangan masukkan merupakan bilangan bulat >= 1 | |
| tinggi_segitiga_pascal = int(input()) | |
| list_segitiga_pascal_str = buat_list_segitiga_pascal(tinggi_segitiga_pascal) | |
| for i in range(len(list_segitiga_pascal_str)): | |
| list_segitiga_pascal_str[i] = ' '.join( | |
| list(map(str, list_segitiga_pascal_str[i]))) | |
| panjang_maks_segitiga_pascal_dengan_spasi = len(list_segitiga_pascal_str[-1]) | |
| for baris in list_segitiga_pascal_str: | |
| print(baris.center(panjang_maks_segitiga_pascal_dengan_spasi)) |
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