結果
問題 | No.1324 Approximate the Matrix |
ユーザー | chineristAC |
提出日時 | 2022-03-16 18:28:04 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,028 ms / 2,000 ms |
コード長 | 2,216 bytes |
コンパイル時間 | 734 ms |
コンパイル使用メモリ | 82,184 KB |
実行使用メモリ | 89,848 KB |
最終ジャッジ日時 | 2024-09-24 18:58:15 |
合計ジャッジ時間 | 13,666 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(要ログイン)
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 | 38 ms
53,188 KB |
testcase_01 | AC | 39 ms
53,244 KB |
testcase_02 | AC | 39 ms
53,864 KB |
testcase_03 | AC | 536 ms
83,564 KB |
testcase_04 | AC | 489 ms
83,884 KB |
testcase_05 | AC | 527 ms
83,868 KB |
testcase_06 | AC | 525 ms
83,800 KB |
testcase_07 | AC | 541 ms
83,588 KB |
testcase_08 | AC | 150 ms
78,160 KB |
testcase_09 | AC | 172 ms
78,188 KB |
testcase_10 | AC | 198 ms
79,072 KB |
testcase_11 | AC | 246 ms
79,992 KB |
testcase_12 | AC | 176 ms
78,344 KB |
testcase_13 | AC | 145 ms
78,056 KB |
testcase_14 | AC | 253 ms
80,684 KB |
testcase_15 | AC | 175 ms
78,864 KB |
testcase_16 | AC | 123 ms
77,428 KB |
testcase_17 | AC | 256 ms
79,372 KB |
testcase_18 | AC | 178 ms
78,944 KB |
testcase_19 | AC | 160 ms
77,860 KB |
testcase_20 | AC | 127 ms
78,124 KB |
testcase_21 | AC | 139 ms
77,228 KB |
testcase_22 | AC | 58 ms
69,404 KB |
testcase_23 | AC | 248 ms
79,412 KB |
testcase_24 | AC | 309 ms
81,464 KB |
testcase_25 | AC | 297 ms
80,312 KB |
testcase_26 | AC | 255 ms
80,372 KB |
testcase_27 | AC | 192 ms
78,780 KB |
testcase_28 | AC | 38 ms
53,348 KB |
testcase_29 | AC | 49 ms
62,592 KB |
testcase_30 | AC | 49 ms
62,916 KB |
testcase_31 | AC | 53 ms
66,060 KB |
testcase_32 | AC | 37 ms
53,460 KB |
testcase_33 | AC | 37 ms
54,668 KB |
testcase_34 | AC | 37 ms
54,868 KB |
testcase_35 | AC | 42 ms
60,308 KB |
testcase_36 | AC | 39 ms
54,804 KB |
testcase_37 | AC | 875 ms
89,564 KB |
testcase_38 | AC | 1,028 ms
89,752 KB |
testcase_39 | AC | 901 ms
89,848 KB |
testcase_40 | AC | 969 ms
89,400 KB |
testcase_41 | AC | 926 ms
88,852 KB |
testcase_42 | AC | 57 ms
70,788 KB |
testcase_43 | AC | 56 ms
70,724 KB |
testcase_44 | AC | 56 ms
72,024 KB |
ソースコード
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 else: pass 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)) else: pass 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 N,K = map(int,input().split()) A = list(map(int,input().split())) B = list(map(int,input().split())) p = [list(map(int,input().split())) for i in range(N)] G = MinCostFlow(2*N+2) for i in range(1,N+1): G.add_edge(0,i,A[i-1],0) for j in range(N+1,2*N+1): for k in range(min(A[i-1],B[j-N-1])): G.add_edge(i,j,1,2*k+1-2*p[i-1][j-N-1]) for j in range(N+1,2*N+1): G.add_edge(j,2*N+1,B[j-N-1],0) f = G.flow(0,2*N+1,K) for i in range(N): for j in range(N): f += p[i][j]**2 print(f)