結果
| 問題 |
No.340 雪の足跡
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 20:58:22 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,562 bytes |
| コンパイル時間 | 206 ms |
| コンパイル使用メモリ | 82,088 KB |
| 実行使用メモリ | 91,520 KB |
| 最終ジャッジ日時 | 2025-06-12 21:02:03 |
| 合計ジャッジ時間 | 9,077 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 5 |
| other | AC * 15 TLE * 1 -- * 16 |
ソースコード
import sys
from collections import deque
def main():
input = sys.stdin.read().split()
ptr = 0
W = int(input[ptr]); ptr += 1
H = int(input[ptr]); ptr += 1
N = int(input[ptr]); ptr += 1
max_cell = W * H - 1
if max_cell == 0:
print(0)
return
adjacency = [[] for _ in range(W * H)]
for _ in range(N):
M_i = int(input[ptr]); ptr += 1
path = list(map(int, input[ptr:ptr + M_i + 1]))
ptr += M_i + 1
for j in range(M_i):
B = path[j]
next_B = path[j + 1]
if B == next_B:
continue
w1 = B % W
h1 = B // W
w2 = next_B % W
h2 = next_B // W
if h1 == h2:
if w2 > w1:
direction = 'east'
w_start = w1
w_end = w2
cells = []
for w in range(w_start, w_end + 1):
cells.append(w + h1 * W)
else:
direction = 'west'
w_start = w1
w_end = w2
cells = []
for w in range(w_start, w_end - 1, -1):
cells.append(w + h1 * W)
else:
if h2 > h1:
direction = 'north'
h_start = h1
h_end = h2
cells = []
for h in range(h_start, h_end + 1):
cells.append(w1 + h * W)
else:
direction = 'south'
h_start = h1
h_end = h2
cells = []
for h in range(h_start, h_end - 1, -1):
cells.append(w1 + h * W)
for i in range(len(cells) - 1):
u = cells[i]
v = cells[i + 1]
if v not in adjacency[u]:
adjacency[u].append(v)
if u not in adjacency[v]:
adjacency[v].append(u)
visited = [-1] * (W * H)
queue = deque()
start = 0
end = W * H - 1
visited[start] = 0
queue.append(start)
while queue:
u = queue.popleft()
if u == end:
print(visited[u])
return
for v in adjacency[u]:
if visited[v] == -1:
visited[v] = visited[u] + 1
queue.append(v)
print("Odekakedekinai..")
if __name__ == "__main__":
main()
gew1fw