結果
| 問題 |
No.1949 足し算するだけのパズルゲーム(2)
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 13:18:52 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 1,021 ms / 3,000 ms |
| コード長 | 1,501 bytes |
| コンパイル時間 | 366 ms |
| コンパイル使用メモリ | 82,748 KB |
| 実行使用メモリ | 100,788 KB |
| 最終ジャッジ日時 | 2025-06-12 13:21:17 |
| 合計ジャッジ時間 | 9,519 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 |
|---|---|
| other | AC * 26 |
ソースコード
import heapq
def main():
H, W, Y, X = map(int, input().split())
Y -= 1 # Convert to 0-based index
X -= 1
grid = []
for _ in range(H):
grid.append(list(map(int, input().split())))
current_power = grid[Y][X]
visited = [[False for _ in range(W)] for _ in range(H)]
heap = []
directions = [(-1, 0), (0, 1), (1, 0), (0, -1)]
# Initialize the heap with adjacent cells of the starting position
for dy, dx in directions:
ny = Y + dy
nx = X + dx
if 0 <= ny < H and 0 <= nx < W:
if not visited[ny][nx]:
heapq.heappush(heap, (grid[ny][nx], ny, nx))
visited[ny][nx] = True
total_enemies = H * W - 1 # Exclude the starting position
count = 0
while heap:
power, i, j = heapq.heappop(heap)
if current_power <= power:
print("No")
return
current_power += power
count += 1
if count == total_enemies:
print("Yes")
return
# Add adjacent cells to the heap
for dy, dx in directions:
ny = i + dy
nx = j + dx
if 0 <= ny < H and 0 <= nx < W:
if not visited[ny][nx] and (ny != Y or nx != X):
heapq.heappush(heap, (grid[ny][nx], ny, nx))
visited[ny][nx] = True
# If heap is empty but not all enemies are processed
print("No")
if __name__ == "__main__":
main()
gew1fw