Submission #18,740

2025-11-03 12:12:42

python3

Accepted 100/100

17ms

3108 KiB

N = int(input())
#N = 3
letters = input().split()
#letters = ["A", "_", "_"]

possible = 26

product = 1

for i in letters:
    if i != "_":
        possible -= 1

for i in letters:
    if i == "_":
        product *= possible
        possible -= 1
        
print(product)

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	16ms	2868 KiB
		2	Accepted	16ms	2868 KiB
subtask2	10/10
		3	Accepted	17ms	2868 KiB
		4	Accepted	16ms	2844 KiB
		5	Accepted	16ms	2868 KiB
subtask3	20/20
		6	Accepted	16ms	2876 KiB
		7	Accepted	16ms	3000 KiB
		8	Accepted	17ms	2972 KiB
		9	Accepted	16ms	2872 KiB
		10	Accepted	16ms	2916 KiB
		11	Accepted	16ms	2936 KiB
subtask4	30/30
		12	Accepted	16ms	2932 KiB
		13	Accepted	16ms	2868 KiB
		14	Accepted	14ms	2856 KiB
		15	Accepted	14ms	2868 KiB
		16	Accepted	16ms	2868 KiB
		17	Accepted	16ms	2868 KiB
subtask5	40/40
		18	Accepted	16ms	2880 KiB
		19	Accepted	17ms	2868 KiB
		20	Accepted	14ms	2872 KiB
		21	Accepted	17ms	2956 KiB
		22	Accepted	14ms	2972 KiB
		23	Accepted	16ms	3108 KiB
		24	Accepted	14ms	2984 KiB