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 20:04:49 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,413 bytes |
| コンパイル時間 | 218 ms |
| コンパイル使用メモリ | 82,160 KB |
| 実行使用メモリ | 99,944 KB |
| 最終ジャッジ日時 | 2025-06-12 20:10:40 |
| 合計ジャッジ時間 | 9,133 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 18 WA * 8 |
ソースコード
import sys
import heapq
from collections import deque
def main():
H, W, Y, X = map(int, sys.stdin.readline().split())
Y -= 1
X -= 1
grid = []
for _ in range(H):
row = list(map(int, sys.stdin.readline().split()))
grid.append(row)
processed = [[False for _ in range(W)] for _ in range(H)]
in_queue = [[False for _ in range(W)] for _ in range(H)]
bfs_queue = deque()
bfs_queue.append((Y, X))
processed[Y][X] = True
heap = []
S = grid[Y][X]
# Initial BFS to find all reachable enemies with attack <= S
while bfs_queue:
i, j = bfs_queue.popleft()
for di, dj in [(-1, 0), (1, 0), (0, -1), (0, 1)]:
ni = i + di
nj = j + dj
if 0 <= ni < H and 0 <= nj < W:
if not processed[ni][nj]:
if (ni, nj) != (Y, X) and grid[ni][nj] <= S:
if not in_queue[ni][nj]:
heapq.heappush(heap, (grid[ni][nj], ni, nj))
in_queue[ni][nj] = True
while heap:
ai, i, j = heapq.heappop(heap)
if ai > S:
print("No")
return
if processed[i][j]:
continue
processed[i][j] = True
S += ai
# Add this cell to BFS queue to explore further
bfs_queue.append((i, j))
# Explore neighbors to find new reachable cells
while bfs_queue:
ci, cj = bfs_queue.popleft()
for di, dj in [(-1, 0), (1, 0), (0, -1), (0, 1)]:
ni = ci + di
nj = cj + dj
if 0 <= ni < H and 0 <= nj < W:
if not processed[ni][nj]:
if (ni, nj) != (Y, X) and grid[ni][nj] <= S:
if not in_queue[ni][nj]:
heapq.heappush(heap, (grid[ni][nj], ni, nj))
in_queue[ni][nj] = True
# Check if all enemies are processed
total_enemies = 0
processed_enemies = 0
for i in range(H):
for j in range(W):
if (i, j) != (Y, X):
total_enemies += 1
if processed[i][j]:
processed_enemies += 1
if processed_enemies == total_enemies:
print("Yes")
else:
print("No")
if __name__ == "__main__":
main()
gew1fw