結果

問題 No.177 制作進行の宮森あおいです!
ユーザー 山本信二
提出日時 2022-03-23 10:41:22
言語 Python3
(3.13.1 + numpy 2.2.1 + scipy 1.14.1)
結果
WA  
実行時間 -
コード長 2,100 bytes
コンパイル時間 99 ms
コンパイル使用メモリ 12,800 KB
実行使用メモリ 12,416 KB
最終ジャッジ日時 2024-10-11 08:10:52
合計ジャッジ時間 3,633 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
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 * 2 WA * 1
other AC * 6 WA * 7
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

from collections import deque
INF = 10 ** 11
class Dinic:
def __init__(self, N):
self.N = N
self.G = [[] for i in range(N)]
def add_edge(self, fr, to, cap):
forward = [to, cap, None]
forward[2] = backward = [fr, 0, forward]
self.G[fr].append(forward)
self.G[to].append(backward)
def add_multi_edge(self, v1, v2, cap1, cap2):
edge1 = [v2, cap1, None]
edge1[2] = edge2 = [v1, cap2, edge1]
self.G[v1].append(edge1)
self.G[v2].append(edge2)
def bfs(self, s, t):
self.level = level = [None]*self.N
deq = deque([s])
level[s] = 0
G = self.G
while deq:
v = deq.popleft()
lv = level[v] + 1
for w, cap, _ in G[v]:
if cap and level[w] is None:
level[w] = lv
deq.append(w)
return level[t] is not None
def dfs(self, v, t, f):
if v == t:
return f
level = self.level
for e in self.it[v]:
w, cap, rev = e
if cap and level[v] < level[w]:
d = self.dfs(w, t, min(f, cap))
if d:
e[1] -= d
rev[1] += d
return d
return 0
def flow(self, s, t):
flow = 0
INF = 10**9 + 7
G = self.G
while self.bfs(s, t):
*self.it, = map(iter, self.G)
f = INF
while f:
f = self.dfs(s, t, INF)
flow += f
return flow
W = int(input())
N = int(input())
j = list(map(int, input().split()))
M = int(input())
C = list(map(int, input().split()))
dinic = Dinic(N+M)
for i in range(N):
dinic.add_edge(0,i,INF)
for j2 in range(M):
dinic.add_edge(j2,N+M-1,C[j2])
if i != j2:
dinic.add_edge(i,j2,j[i])
for i in range(M):
q = list(map(int, input().split()))
for l1 in q[1:]:
dinic.add_edge(i,l1,-INF)
if dinic.flow(0, N+M-1) > W:
print('SHIROBAKO')
else:
print('BANSAKUTSUKITA')
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