結果

問題 No.1994 Confusing Name
ユーザー mkawa2
提出日時 2022-07-01 21:34:27
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 436 ms / 2,000 ms
コード長 1,164 bytes
コンパイル時間 329 ms
コンパイル使用メモリ 82,352 KB
実行使用メモリ 141,340 KB
最終ジャッジ日時 2024-11-26 04:07:04
合計ジャッジ時間 7,518 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
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 * 28
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
# sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()
dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
# inf = (1 << 63)-1
inf = (1 << 31)-1
# md = 10**9+7
md = 998244353
from collections import Counter
n = II()
ss = [SI() for _ in range(n)]
cnt = Counter()
for s in ss:
cc = list(s)
for i in range(len(cc)):
cc[i] = "*"
t = "".join(cc)
cnt[t] += 1
cc[i] = s[i]
# pDB(cnt)
for s in ss:
cc = list(s)
ans = 0
for i in range(len(cc)):
cc[i] = "*"
t = "".join(cc)
ans += cnt[t]-1
cc[i] = s[i]
# pDB(t,ans)
print(ans)
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