結果

問題 No.2604 Initial Motion
ユーザー 👑 amentorimaruamentorimaru
提出日時 2024-01-01 19:22:10
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 2,304 bytes
コンパイル時間 222 ms
コンパイル使用メモリ 82,272 KB
実行使用メモリ 104,492 KB
最終ジャッジ日時 2024-09-27 17:27:35
合計ジャッジ時間 19,525 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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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 128 ms
88,272 KB
testcase_01 AC 129 ms
88,792 KB
testcase_02 AC 138 ms
88,764 KB
testcase_03 AC 306 ms
90,600 KB
testcase_04 AC 295 ms
90,328 KB
testcase_05 AC 330 ms
90,616 KB
testcase_06 AC 286 ms
90,612 KB
testcase_07 AC 296 ms
90,584 KB
testcase_08 AC 292 ms
90,788 KB
testcase_09 AC 284 ms
90,708 KB
testcase_10 AC 305 ms
90,852 KB
testcase_11 AC 293 ms
90,376 KB
testcase_12 AC 288 ms
90,544 KB
testcase_13 AC 2,990 ms
101,280 KB
testcase_14 AC 1,702 ms
96,224 KB
testcase_15 AC 1,331 ms
94,804 KB
testcase_16 AC 2,311 ms
99,260 KB
testcase_17 TLE -
testcase_18 TLE -
testcase_19 TLE -
testcase_20 AC 2,179 ms
98,664 KB
testcase_21 AC 1,744 ms
96,348 KB
testcase_22 TLE -
testcase_23 AC 1,970 ms
97,268 KB
testcase_24 AC 2,832 ms
100,620 KB
testcase_25 TLE -
testcase_26 AC 2,173 ms
98,024 KB
testcase_27 AC 1,561 ms
95,112 KB
testcase_28 AC 1,929 ms
97,192 KB
testcase_29 AC 2,935 ms
101,072 KB
testcase_30 AC 1,580 ms
95,340 KB
testcase_31 AC 2,324 ms
98,348 KB
testcase_32 AC 2,103 ms
97,000 KB
testcase_33 AC 150 ms
89,844 KB
testcase_34 AC 1,982 ms
100,524 KB
testcase_35 AC 1,981 ms
102,408 KB
testcase_36 AC 1,894 ms
99,848 KB
testcase_37 AC 169 ms
90,912 KB
testcase_38 AC 186 ms
90,448 KB
testcase_39 AC 189 ms
89,832 KB
testcase_40 AC 1,473 ms
98,480 KB
testcase_41 AC 1,446 ms
98,920 KB
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 #

import sys
from fractions import Fraction
input = sys.stdin.readline
def read_values(): return tuple(map(int, input().split()))
def read_list(): return list(map(int, input().split()))

from heapq import heappush, heappop
class MinCostFlow:
    INF = 10**18

    def __init__(self, N):
        self.N = N
        self.G = [[] for i in range(N)]

    def add_edge(self, fr, to, cap, cost):
        forward = [to, cap, cost, None]
        backward = forward[3] = [fr, 0, -cost, forward]
        self.G[fr].append(forward)
        self.G[to].append(backward)

    def flow(self, s, t, f):
        N = self.N; G = self.G
        INF = MinCostFlow.INF

        res = 0
        H = [0]*N
        prv_v = [0]*N
        prv_e = [None]*N

        d0 = [INF]*N
        dist = [INF]*N

        while f:
            dist[:] = d0
            dist[s] = 0
            que = [(0, s)]

            while que:
                c, v = heappop(que)
                if dist[v] < c:
                    continue
                r0 = dist[v] + H[v]
                for e in G[v]:
                    w, cap, cost, _ = e
                    if cap > 0 and r0 + cost - H[w] < dist[w]:
                        dist[w] = r = r0 + cost - H[w]
                        prv_v[w] = v; prv_e[w] = e
                        heappush(que, (r, w))
            if dist[t] == INF:
                return None

            for i in range(N):
                H[i] += dist[i]

            d = f; v = t
            while v != s:
                d = min(d, prv_e[v][1])
                v = prv_v[v]
            f -= d
            res += d * H[t]
            v = t
            while v != s:
                e = prv_e[v]
                e[1] -= d
                e[3][1] += d
                v = prv_v[v]
        return res

def main():  
    k,n,m = read_values()
    a = read_list()
    b = read_list()
    mcf = MinCostFlow(n+2)
    s=n
    t=n+1
    ac = [0]*n
    for v in a:
        ac[v-1]+=1
    for _ in range(m):
        u,v,d=read_values()
        u-=1
        v-=1
        mcf.add_edge(u,v,k,d)
        mcf.add_edge(v,u,k,d)
    for i in range(n):
        if ac[i]:
            mcf.add_edge(s,i,ac[i],0)
        if b[i]:
            mcf.add_edge(i,t,b[i],0)
    print(mcf.flow(s,t,k))
    return
    
if __name__ == "__main__":
    main()
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