結果

問題 No.2375 watasou and hibit's baseball
ユーザー ikoma
提出日時 2023-07-07 23:05:04
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 1,357 bytes
コンパイル時間 330 ms
コンパイル使用メモリ 82,192 KB
実行使用メモリ 79,900 KB
最終ジャッジ日時 2024-07-21 19:26:03
合計ジャッジ時間 6,414 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
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 * 23 TLE * 2 -- * 11
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

N,A,B=map(int,input().split())
XYK=[list(map(int,input().split())) for _ in range(N)]
dist = [[0]*N for _ in range(N)]
distK = [[0]*N for _ in range(N)]
for i in range(N):
x1,y1,k1 = XYK[i]
for j in range(N):
x2,y2,k2 = XYK[j]
dist[i][j] = dist[j][i] = abs(x1-x2)+abs(y1-y2)
distK[i][j] = distK[j][i] = abs(k2-k1)
visit = [0]*N
def dfs(route:list):
ret = len(route)
for i in range(N):
if visit[i]:continue
i0,i1 = route[-2:]
flg=0
if distK[i1][i]>=B:
flg=1
else:
if A<=dist[i][i1]+dist[i][i0]:
flg=1
if flg:
route.append(i)
visit[i]=1
ret2 = dfs(route)
visit[i]=0
route.pop()
ret = max(ret, ret2)
if ret==N:
print(N)
exit()
return ret
def solve():
ret = 1
route = []
for i in range(N):
route.append(i)
visit[i]=1
for j in range(N):
if i==j:continue
if A<=dist[i][j] or B<=distK[i][j]:
if ret==1:ret=2
route.append(j)
visit[j]=1
ret2 = dfs(route)
ret = max(ret, ret2)
route.pop()
visit[j]=0
visit[i]=0
route.pop()
return ret
print(solve())
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