結果
問題 |
No.2807 Have Another Go (Easy)
|
ユーザー |
![]() |
提出日時 | 2025-04-15 22:44:35 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,741 bytes |
コンパイル時間 | 294 ms |
コンパイル使用メモリ | 81,708 KB |
実行使用メモリ | 52,972 KB |
最終ジャッジ日時 | 2025-04-15 22:46:00 |
合計ジャッジ時間 | 5,054 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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().split() ptr = 0 N = int(input[ptr]) ptr +=1 M = int(input[ptr]) ptr +=1 k = int(input[ptr]) ptr +=1 C = list(map(int, input[ptr:ptr+k])) ptr +=k # Compute total paths total_dp = [0] * (2*N) total = 0 total_dp[0] = 1 for s in range(2*N): if total_dp[s] == 0: continue for d in range(1,7): new_s = s + d if new_s >= 2*N: total = (total + total_dp[s]) % MOD else: total_dp[new_s] = (total_dp[new_s] + total_dp[s]) % MOD # Precompute ways_from[s] for all s < 2N ways_from = [0] * (2*N) for s in reversed(range(2*N)): cnt = 0 for d in range(1,7): if s + d >= 2*N: cnt +=1 else: cnt += ways_from[s + d] cnt %= MOD ways_from[s] = cnt % MOD # Process each query for c in C: r = c % N forbidden_dp = [0] * (2*N) if 0 % N != r: forbidden_dp[0] = 1 forbidden_total = 0 for s in range(2*N): if forbidden_dp[s] == 0: continue if s % N == r: continue for d in range(1,7): new_s = s + d if new_s >= 2*N: forbidden_total = (forbidden_total + forbidden_dp[s]) % MOD else: if new_s % N != r: forbidden_dp[new_s] = (forbidden_dp[new_s] + forbidden_dp[s]) % MOD ans = (total - forbidden_total) % MOD print(ans) if __name__ == "__main__": main()