hossz = int(input())
a = list(set(input().split(' ')))
a.remove('_')
kezd = len(a)
x, k, b = 1, 26-kezd
for i in range(kezd, hossz):
x *= k
k -= 1
print(x)
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Runtime error | 17ms | 2988 KiB | ||||
| 2 | Runtime error | 17ms | 2916 KiB | ||||
| subtask2 | 0/10 | ||||||
| 3 | Runtime error | 17ms | 2916 KiB | ||||
| 4 | Runtime error | 17ms | 3048 KiB | ||||
| 5 | Runtime error | 17ms | 2916 KiB | ||||
| subtask3 | 0/20 | ||||||
| 6 | Runtime error | 17ms | 2916 KiB | ||||
| 7 | Runtime error | 17ms | 3056 KiB | ||||
| 8 | Runtime error | 17ms | 2916 KiB | ||||
| 9 | Runtime error | 17ms | 3064 KiB | ||||
| 10 | Runtime error | 17ms | 2788 KiB | ||||
| 11 | Runtime error | 17ms | 3064 KiB | ||||
| subtask4 | 0/30 | ||||||
| 12 | Runtime error | 17ms | 2916 KiB | ||||
| 13 | Runtime error | 17ms | 3052 KiB | ||||
| 14 | Runtime error | 17ms | 2916 KiB | ||||
| 15 | Runtime error | 18ms | 3192 KiB | ||||
| 16 | Runtime error | 17ms | 2940 KiB | ||||
| 17 | Runtime error | 17ms | 2920 KiB | ||||
| subtask5 | 0/40 | ||||||
| 18 | Runtime error | 17ms | 2916 KiB | ||||
| 19 | Runtime error | 17ms | 3052 KiB | ||||
| 20 | Runtime error | 17ms | 3044 KiB | ||||
| 21 | Runtime error | 17ms | 3192 KiB | ||||
| 22 | Runtime error | 17ms | 3100 KiB | ||||
| 23 | Runtime error | 17ms | 2916 KiB | ||||
| 24 | Runtime error | 17ms | 3052 KiB | ||||