結果
問題 | No.1078 I love Matrix Construction |
ユーザー | roaris |
提出日時 | 2020-12-24 21:35:59 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,074 ms / 2,000 ms |
コード長 | 2,902 bytes |
コンパイル時間 | 218 ms |
コンパイル使用メモリ | 82,176 KB |
実行使用メモリ | 216,268 KB |
最終ジャッジ日時 | 2024-09-21 17:05:46 |
合計ジャッジ時間 | 12,979 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 35 ms
52,480 KB |
testcase_01 | AC | 35 ms
52,992 KB |
testcase_02 | AC | 267 ms
93,676 KB |
testcase_03 | AC | 601 ms
125,300 KB |
testcase_04 | AC | 652 ms
144,912 KB |
testcase_05 | AC | 562 ms
128,384 KB |
testcase_06 | AC | 209 ms
93,440 KB |
testcase_07 | AC | 185 ms
83,652 KB |
testcase_08 | AC | 588 ms
139,680 KB |
testcase_09 | AC | 124 ms
80,124 KB |
testcase_10 | AC | 1,074 ms
216,268 KB |
testcase_11 | AC | 649 ms
147,856 KB |
testcase_12 | AC | 913 ms
183,024 KB |
testcase_13 | AC | 975 ms
205,144 KB |
testcase_14 | AC | 763 ms
159,592 KB |
testcase_15 | AC | 1,008 ms
193,232 KB |
testcase_16 | AC | 162 ms
82,536 KB |
testcase_17 | AC | 34 ms
52,608 KB |
testcase_18 | AC | 244 ms
89,472 KB |
testcase_19 | AC | 296 ms
104,548 KB |
testcase_20 | AC | 332 ms
106,328 KB |
testcase_21 | AC | 77 ms
77,568 KB |
ソースコード
import sys input = sys.stdin.readline sys.setrecursionlimit(250010) class Scc: def __init__(self, N, G): self.N = N self.G = G self.RG = [[] for _ in range(N)] for v in range(N): for nv in G[v]: self.RG[nv].append(v) def decomp(self): order = [] visited = [False]*self.N def dfs(v): visited[v] = True for nv in self.G[v]: if not visited[nv]: dfs(nv) order.append(v) for v in range(self.N): if not visited[v]: dfs(v) visited = [False]*self.N comp = [-1]*self.N label = 0 def rdfs(v, label): comp[v] = label visited[v] = True for nv in self.RG[v]: if not visited[nv]: rdfs(nv, label) for v in reversed(order): if not visited[v]: rdfs(v, label) label += 1 return label, comp def construct(self): label, comp = self.decomp() belong = [[] for _ in range(label)] nG = [set() for _ in range(label)] for v in range(self.N): for nv in self.G[v]: if comp[v]!=comp[nv]: nG[comp[v]].add(comp[nv]) belong[comp[v]].append(v) return belong, nG class Two_sat: def __init__(self, N): self.N = N self.G = [[] for _ in range(2*N)] def add_clause(self, i, f, j, g): #0:負リテラル 1:正リテラル self.G[2*i+1^f].append(2*j+g) self.G[2*j+1^g].append(2*i+f) def allocate(self): scc = Scc(2*self.N, self.G) label, comp = scc.decomp() res = [-1]*self.N for i in range(self.N): if comp[2*i]==comp[2*i+1]: return -1 res[i] = 1 if comp[2*i]<comp[2*i+1] else 0 return res N = int(input()) S = list(map(int, input().split())) T = list(map(int, input().split())) U = list(map(int, input().split())) ts = Two_sat(N*N) for Si, Ti, Ui in zip(S, T, U): if Ui==0: for j in range(N): ts.add_clause((Si-1)*N+j, 1, j*N+Ti-1, 1) elif Ui==1: for j in range(N): ts.add_clause((Si-1)*N+j, 0, j*N+Ti-1, 1) elif Ui==2: for j in range(N): ts.add_clause((Si-1)*N+j, 1, j*N+Ti-1, 0) else: for j in range(N): ts.add_clause((Si-1)*N+j, 0, j*N+Ti-1, 0) res = ts.allocate() if res==-1: print(-1) exit() ans = [[0]*N for _ in range(N)] for i in range(N): for j in range(N): ans[i][j] = res[i*N+j] for ans_i in ans: print(*ans_i)