結果
問題 | No.1341 真ん中を入れ替えて門松列 |
ユーザー | chineristAC |
提出日時 | 2021-01-15 22:03:28 |
言語 | PyPy3 (7.3.15) |
結果 |
MLE
|
実行時間 | - |
コード長 | 2,208 bytes |
コンパイル時間 | 495 ms |
コンパイル使用メモリ | 82,172 KB |
実行使用メモリ | 744,112 KB |
最終ジャッジ日時 | 2024-11-26 14:48:59 |
合計ジャッジ時間 | 35,666 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 | 90 ms
82,928 KB |
testcase_01 | MLE | - |
testcase_02 | AC | 40 ms
60,296 KB |
testcase_03 | MLE | - |
testcase_04 | AC | 40 ms
60,372 KB |
testcase_05 | MLE | - |
testcase_06 | AC | 755 ms
92,748 KB |
testcase_07 | MLE | - |
testcase_08 | AC | 157 ms
85,768 KB |
testcase_09 | MLE | - |
testcase_10 | TLE | - |
testcase_11 | MLE | - |
testcase_12 | TLE | - |
testcase_13 | MLE | - |
testcase_14 | TLE | - |
testcase_15 | MLE | - |
testcase_16 | MLE | - |
testcase_17 | MLE | - |
testcase_18 | MLE | - |
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 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 N,M = map(int,input().split()) AC = [] B = [] for i in range(N): a,b,c = map(int,input().split()) AC.append((a,c)) B.append(b) G = MinCostFlow(2*N+2) for i in range(N): b = B[i] G.add_edge(0,i+1,1,0) for j in range(N): a,c = AC[j] if b < min(a,c): G.add_edge(i+1,N+1+j,1,-max(a,c)) if b > max(a,c): G.add_edge(i+1,N+1+j,1,-b) for j in range(N): G.add_edge(N+1+j,2*N+1,1,0) res = G.flow(0,2*N+1,N) if res: print("YES") res = - res if res >= M: print("KADOMATSU!") else: print("NO") else: print("NO")