結果

問題 No.2210 equence Squence Seuence
ユーザー lam6er
提出日時 2025-03-26 15:46:33
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 525 ms / 2,000 ms
コード長 1,135 bytes
コンパイル時間 301 ms
コンパイル使用メモリ 82,284 KB
実行使用メモリ 117,744 KB
最終ジャッジ日時 2025-03-26 15:47:20
合計ジャッジ時間 7,108 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 25
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import sys
from functools import cmp_to_key
def main():
N, K = map(int, sys.stdin.readline().split())
A = list(map(int, sys.stdin.readline().split()))
next_diff = [-1] * N
next_diff[-1] = -1 # since there's no next element after last
for i in range(N-2, -1, -1):
if A[i] != A[i+1]:
next_diff[i] = i
else:
next_diff[i] = next_diff[i+1]
def compare(i, j):
if i == j:
return 0
if i > j:
return -compare(j, i)
# Now i < j
m = next_diff[i]
if m != -1 and m < j:
a = A[m+1]
b = A[m]
if a < b:
return -1
elif a > b:
return 1
else:
return 0
else:
# All elements from i to j-1 are same, compare indices
return -1 # since i < j, so X_i comes before X_j
indices = list(range(N))
indices.sort(key=cmp_to_key(compare))
selected = indices[K-1]
result = A[:selected] + A[selected+1:]
print(' '.join(map(str, result)))
if __name__ == "__main__":
main()
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