#include <iostream>
using namespace std;
void solve() {
int n; cin >> n;
int rem = -1; for (int i = 0; i < n; ++i) { char t; cin >> t; if (t == '_') ++rem; }
int ans = 27 - n + rem, i = ans - 1; while (rem--) { ans *= i; --i; }
cout << ans << '\n'; }
int main() { ios::sync_with_stdio(false); cin.tie(nullptr); solve(); return 0; }| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 512 KiB | ||||
| 2 | Accepted | 1ms | 316 KiB | ||||
| subtask2 | 10/10 | ||||||
| 3 | Accepted | 1ms | 316 KiB | ||||
| 4 | Accepted | 1ms | 316 KiB | ||||
| 5 | Accepted | 1ms | 556 KiB | ||||
| subtask3 | 20/20 | ||||||
| 6 | Accepted | 1ms | 316 KiB | ||||
| 7 | Accepted | 1ms | 316 KiB | ||||
| 8 | Accepted | 1ms | 316 KiB | ||||
| 9 | Accepted | 1ms | 316 KiB | ||||
| 10 | Accepted | 1ms | 316 KiB | ||||
| 11 | Accepted | 1ms | 316 KiB | ||||
| subtask4 | 30/30 | ||||||
| 12 | Accepted | 1ms | 316 KiB | ||||
| 13 | Accepted | 1ms | 316 KiB | ||||
| 14 | Accepted | 1ms | 316 KiB | ||||
| 15 | Accepted | 1ms | 316 KiB | ||||
| 16 | Accepted | 1ms | 316 KiB | ||||
| 17 | Accepted | 1ms | 316 KiB | ||||
| subtask5 | 40/40 | ||||||
| 18 | Accepted | 1ms | 512 KiB | ||||
| 19 | Accepted | 1ms | 316 KiB | ||||
| 20 | Accepted | 1ms | 316 KiB | ||||
| 21 | Accepted | 1ms | 508 KiB | ||||
| 22 | Accepted | 1ms | 316 KiB | ||||
| 23 | Accepted | 1ms | 356 KiB | ||||
| 24 | Accepted | 1ms | 316 KiB | ||||