結果

問題 No.709 優勝可能性
ユーザー Coki628
提出日時 2020-09-02 17:31:05
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 371 ms / 3,500 ms
コード長 1,186 bytes
コンパイル時間 358 ms
コンパイル使用メモリ 82,304 KB
実行使用メモリ 168,064 KB
最終ジャッジ日時 2024-11-21 14:34:51
合計ジャッジ時間 5,290 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
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 * 2
other AC * 22
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 collections import Counter
def input(): return sys.stdin.readline().strip()
def list2d(a, b, c): return [[c] * b for i in range(a)]
def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)]
def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)]
def ceil(x, y=1): return int(-(-x // y))
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)]
def Yes(): print('Yes')
def No(): print('No')
def YES(): print('YES')
def NO(): print('NO')
sys.setrecursionlimit(10**9)
INF = 10**19
MOD = 10**9 + 7
EPS = 10**-10
N, M = MAP()
A = [[] for i in range(N)]
for i in range(N):
A[i] = LIST()
mx = [0] * M
se = [set() for i in range(M)]
C = Counter()
for i in range(N):
for j in range(M):
if A[i][j] > mx[j]:
mx[j] = A[i][j]
for a in se[j]:
C[a] -= 1
if C[a] == 0:
del C[a]
se[j] = set([i])
C[i] += 1
elif A[i][j] == mx[j]:
se[j].add(i)
C[i] += 1
print(len(C))
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