結果
問題 |
No.2807 Have Another Go (Easy)
|
ユーザー |
![]() |
提出日時 | 2025-03-31 17:57:15 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,036 bytes |
コンパイル時間 | 314 ms |
コンパイル使用メモリ | 82,260 KB |
実行使用メモリ | 52,476 KB |
最終ジャッジ日時 | 2025-03-31 17:58:38 |
合計ジャッジ時間 | 4,751 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 1 TLE * 1 -- * 44 |
ソースコード
MOD = 998244353 def main(): import sys input = sys.stdin.read data = input().split() N = int(data[0]) M = 2 k = int(data[2]) Cs = list(map(int, data[3:3+k])) # Precompute the total_sequences max_sum = 2 * N + 6 dp = [0] * (max_sum + 1) dp[0] = 1 total_sequences = 0 for s in range(0, 2 * N): current = dp[s] if current == 0: continue for D in range(1, 7): new_s = s + D if new_s >= 2 * N: total_sequences = (total_sequences + current) % MOD else: dp[new_s] = (dp[new_s] + current) % MOD dp[s] = 0 # Process each query Ci for Ci in Cs: forbidden_count = 0 F0 = [0] * N F1 = [0] * N F0[0] = 1 for s in range(N): current = F0[s] if current == 0: continue for D in range(1, 7): new_s = s + D if new_s >= 2 * N: forbidden_count = (forbidden_count + current) % MOD else: if new_s < N: if new_s != Ci: F0[new_s] = (F0[new_s] + current) % MOD else: new_b = new_s - N if new_b != Ci: F1[new_b] = (F1[new_b] + current) % MOD for b in range(N): current = F1[b] if current == 0: continue s_in_a1 = N + b for D in range(1, 7): new_s = s_in_a1 + D if new_s >= 2 * N: forbidden_count = (forbidden_count + current) % MOD else: new_b = b + D if new_b != Ci: F1[new_b] = (F1[new_b] + current) % MOD ans = (total_sequences - forbidden_count) % MOD print(ans) if __name__ == '__main__': main()