結果
| 問題 |
No.2096 Rage With Our Friends
|
| コンテスト | |
| ユーザー |
AngrySadEight
|
| 提出日時 | 2022-09-14 23:44:04 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,458 bytes |
| コンパイル時間 | 453 ms |
| コンパイル使用メモリ | 82,528 KB |
| 実行使用メモリ | 849,924 KB |
| 最終ジャッジ日時 | 2024-12-15 12:32:55 |
| 合計ジャッジ時間 | 56,260 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 2 |
| other | AC * 5 WA * 15 TLE * 5 MLE * 2 |
ソースコード
from collections import deque
H, W = map(int, input().split())
sx, sy, gx, gy = map(int, input().split())
sx -= 1
sy -= 1
gx -= 1
gy -= 1
S = []
for i in range(H):
s = str(input())
S.append(s)
calc_highest_x = [H - 1 for _ in range(W)]
highest_x = [[H - 1 for _ in range(W)] for _ in range(H)]
for i in range(H):
for j in range(W):
if S[i][j] == '#':
calc_highest_x[j] = i
highest_x[i][j] = calc_highest_x[j]
INF = 1 << 24
isvisited = [[False for _ in range(W)] for _ in range(H)]
dist = [[INF for _ in range(W)] for _ in range(H)]
dq = deque()
dq.appendleft([sx, sy])
dist[sx][sy] = 0
while len(dq):
px, py = dq.popleft()
if px == gx and py == gy:
print(dist[gx][gy])
exit()
if isvisited[px][py]:
continue
isvisited[px][py] = True
if py - 1 >= 0:
next_x = min(H - 1, px + 1)
next_x = highest_x[next_x][py - 1]
dq.appendleft([next_x, py - 1])
dist[next_x][py - 1] = min(dist[next_x][py - 1], dist[px][py])
if py + 1 < W:
next_x = min(H - 1, px + 1)
next_x = highest_x[next_x][py + 1]
dq.appendleft([next_x, py + 1])
dist[next_x][py + 1] = min(dist[next_x][py + 1], dist[px][py])
if py - 2 >= 0:
next_x = min(H - 1, px + 1)
next_x = highest_x[next_x][py - 2]
dq.append([next_x, py - 2])
dist[next_x][py - 2] = min(dist[next_x][py - 2], dist[px][py] + 1)
if py - 2 >= 0:
diffs_x = -(highest_x[px][py - 1] - px)
next_x = highest_x[px][py - 1] + 1 + diffs_x // 2
next_x = highest_x[min(H - 1, next_x)][py - 2]
dq.appendleft([next_x, py - 2])
dist[next_x][py - 2] = min(dist[next_x][py - 2], dist[px][py])
if py + 2 < W:
next_x = min(H - 1, px + 1)
next_x = highest_x[next_x][py + 2]
dq.append([next_x, py + 2])
dist[next_x][py + 2] = min(dist[next_x][py + 2], dist[px][py] + 1)
if py + 2 < W:
diffs_x = -(highest_x[px][py + 1] - px)
next_x = highest_x[px][py + 1] + 1 + diffs_x // 2
next_x = highest_x[min(H - 1, next_x)][py + 2]
dq.appendleft([next_x, py + 2])
dist[next_x][py + 2] = min(dist[next_x][py + 2], dist[px][py])
if 0 <= py < W:
next_x = min(H - 1, px + 1)
next_x = highest_x[next_x][py]
dq.append([next_x, py])
dist[next_x][py] = min(dist[next_x][py], dist[px][py] + 1)
print(-1)
AngrySadEight