結果

問題 No.2509 Beam Shateki
ユーザー miya145592miya145592
提出日時 2023-10-21 01:02:56
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,202 ms / 2,000 ms
コード長 2,281 bytes
コンパイル時間 183 ms
コンパイル使用メモリ 82,560 KB
実行使用メモリ 77,808 KB
最終ジャッジ日時 2024-09-21 01:52:07
合計ジャッジ時間 36,606 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
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 * 61
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
input = sys.stdin.readline
H, W = map(int, input().split())
A = [list(map(int, input().split())) for _ in range(H)]
ans = 0
for dx, dy in [(0, 1), (1, 0), (1, 1), (-1, 1)]:
if dx==0:
rng = range(1, H+1)
elif dy==0:
rng = range(1, W+1)
else:
rng = range(H+W+4)
for x in rng:
sco = 0
S = set()
if dx==0:
nx = x
ny = 0
elif dy==0:
nx = 0
ny = x
elif dx==1:
nx = x-(W+2)
ny = 0
else:
nx = x
ny = 0
nx+=dx
ny+=dy
if dx==0 or dy==0:
while 1<=nx<=H and 1<=ny<=W:
sco += A[nx-1][ny-1]
S.add((nx, ny))
nx+=dx
ny+=dy
else:
while 1<=ny<=W:
if 1<=nx<=H and 1<=ny<=W:
sco += A[nx-1][ny-1]
S.add((nx, ny))
nx+=dx
ny+=dy
for dx2, dy2 in [(0, 1), (1, 0), (1, 1), (-1, 1)]:
if dx2==0:
rng2 = range(1, H+1)
elif dy2==0:
rng2 = range(1, W+1)
else:
rng2 = range(H+W+4)
for x2 in rng2:
sco2 = 0
if dx2==0:
nx2 = x2
ny2 = 0
elif dy2==0:
nx2 = 0
ny2 = x2
elif dx2==1:
nx2 = x2-(W+2)
ny2 = 0
else:
nx2 = x2
ny2 = 0
nx2+=dx2
ny2+=dy2
if dx2==0 or dy2==0:
while 1<=nx2<=H and 1<=ny2<=W:
if (nx2, ny2) not in S:
sco2 += A[nx2-1][ny2-1]
nx2+=dx2
ny2+=dy2
else:
while 1<=ny2<=W:
if 1<=nx2<=H and 1<=ny2<=W:
if (nx2, ny2) not in S:
sco2 += A[nx2-1][ny2-1]
nx2+=dx2
ny2+=dy2
ans = max(ans, sco+sco2)
print(ans)
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