結果
| 問題 |
No.2423 Merge Stones
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-03-20 20:57:46 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,314 bytes |
| コンパイル時間 | 171 ms |
| コンパイル使用メモリ | 82,948 KB |
| 実行使用メモリ | 76,628 KB |
| 最終ジャッジ日時 | 2025-03-20 20:57:56 |
| 合計ジャッジ時間 | 7,310 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 10 TLE * 1 -- * 61 |
ソースコード
def main():
import sys
input = sys.stdin.read().split()
idx = 0
N = int(input[idx])
idx +=1
K = int(input[idx])
idx +=1
A = list(map(int, input[idx:idx+N]))
idx +=N
C = list(map(int, input[idx:idx+N]))
idx +=N
# Extend the array to handle circular case
A_extended = A + A
C_extended = C + C
max_val = 0
# Try all possible starting points
for start in range(N):
end = start + N
current_A = A_extended[start:end]
current_C = C_extended[start:end]
# Initialize DP
DP = [[dict() for _ in range(N)] for __ in range(N)]
for i in range(N):
c = current_C[i]
DP[i][i][c] = current_A[i]
if current_A[i] > max_val:
max_val = current_A[i]
for length in range(2, N+1):
for i in range(N - length +1):
j = i + length -1
for k in range(i, j):
left = DP[i][k]
right = DP[k+1][j]
for c1 in left:
sum1 = left[c1]
for c2 in right:
sum2 = right[c2]
if abs(c1 - c2) > K:
continue
total = sum1 + sum2
# Update for color c1 and c2
if c1 in DP[i][j]:
if total > DP[i][j][c1]:
DP[i][j][c1] = total
else:
DP[i][j][c1] = total
if c2 in DP[i][j]:
if total > DP[i][j][c2]:
DP[i][j][c2] = total
else:
DP[i][j][c2] = total
# Update max_val after processing all splits for i..j
for c in DP[i][j]:
if DP[i][j][c] > max_val:
max_val = DP[i][j][c]
# Check DP[0][N-1] for max_val
final_dict = DP[0][N-1]
for c in final_dict:
if final_dict[c] > max_val:
max_val = final_dict[c]
print(max_val)
if __name__ == '__main__':
main()
lam6er