結果
問題 | No.654 Air E869120 |
ユーザー | kamojiro |
提出日時 | 2020-06-11 22:04:04 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,193 bytes |
コンパイル時間 | 198 ms |
コンパイル使用メモリ | 82,136 KB |
実行使用メモリ | 90,684 KB |
最終ジャッジ日時 | 2024-06-24 03:23:13 |
合計ジャッジ時間 | 9,022 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 47 ms
62,816 KB |
testcase_01 | AC | 45 ms
55,076 KB |
testcase_02 | AC | 43 ms
54,724 KB |
testcase_03 | AC | 43 ms
55,596 KB |
testcase_04 | AC | 44 ms
55,956 KB |
testcase_05 | AC | 43 ms
55,824 KB |
testcase_06 | AC | 45 ms
55,420 KB |
testcase_07 | AC | 44 ms
54,768 KB |
testcase_08 | AC | 45 ms
54,920 KB |
testcase_09 | AC | 43 ms
55,176 KB |
testcase_10 | AC | 658 ms
77,400 KB |
testcase_11 | AC | 495 ms
77,368 KB |
testcase_12 | AC | 471 ms
77,620 KB |
testcase_13 | AC | 669 ms
77,608 KB |
testcase_14 | AC | 378 ms
77,800 KB |
testcase_15 | AC | 442 ms
77,416 KB |
testcase_16 | AC | 1,537 ms
80,952 KB |
testcase_17 | TLE | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
ソースコード
import sys input = sys.stdin.readline from collections import defaultdict INF = 10**13 def dfs_for_Ford_Fulkerson(N,E,capacity,s,g,flowing): stack = [(s,INF)] root = [0]*N root[s] = -1 V = [False]*N V[s] = True while stack: u, flow = stack.pop() for v in E[u]: if not V[v] and capacity[(u,v)] > 0: root[v] = u V[v] = True if v == g: if capacity[(u,v)] < flow: flow = capacity[(u,v)] break stack.append((v, min(flow, capacity[(u,v)]))) else: continue break else: return False now = g while now != s: before = root[now] capacity[(before, now)] -= flow capacity[(now, before)] += flow now = before flowing[0] += flow return True def Ford_Fulkerson(N,E,capacity, s, g): flowing = [0] while dfs_for_Ford_Fulkerson(N,E,capacity,s,g, flowing): pass return flowing[0] def main(): N, M, d = map( int, input().split()) UVPQW = [ tuple( map( int, input().split())) for _ in range(M)] L = 10**9 X = [(u << 32)+p for u,_,p,_,_ in UVPQW] Y = [(v << 32)+q+d for _,v,_,q,_ in UVPQW] nodes = sorted(set(X+Y)) VtoI = {x: i for i, x in enumerate(nodes)} L = len(nodes) s = L g = L+1 G = [[] for _ in range(L+2)] capacity = defaultdict( int) u, t = divmod(nodes[0], 1<<32) if u == 1: G[s].append(0) capacity[(s,0)] = INF G[0].append(s) u, t = divmod(nodes[-1], 1<<32) if u == N: G[L-1].append(g) capacity[(L-1,g)] = INF G[g].append(L-1) for i, (x, y) in enumerate(zip(nodes, nodes[1:])): if x >> 32 == y >> 32: G[i].append(i+1) capacity[(i,i+1)] = INF G[i+1].append(i) W = [ w for _,_,_,_,w in UVPQW] for x, y, w in zip(X, Y, W): a = VtoI[x] b = VtoI[y] G[a].append(b) capacity[(a,b)] += w G[b].append(a) # print(L+2) print( Ford_Fulkerson(L+2,G,capacity,s,g)) if __name__ == '__main__': main()