結果
問題 | No.1078 I love Matrix Construction |
ユーザー | tamato |
提出日時 | 2020-06-13 17:40:59 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 848 ms / 2,000 ms |
コード長 | 3,748 bytes |
コンパイル時間 | 196 ms |
コンパイル使用メモリ | 82,308 KB |
実行使用メモリ | 185,900 KB |
最終ジャッジ日時 | 2024-06-25 15:54:10 |
合計ジャッジ時間 | 10,789 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(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 | 45 ms
55,436 KB |
testcase_01 | AC | 43 ms
54,876 KB |
testcase_02 | AC | 225 ms
93,180 KB |
testcase_03 | AC | 369 ms
115,972 KB |
testcase_04 | AC | 517 ms
130,284 KB |
testcase_05 | AC | 445 ms
122,100 KB |
testcase_06 | AC | 229 ms
92,732 KB |
testcase_07 | AC | 165 ms
83,352 KB |
testcase_08 | AC | 427 ms
122,584 KB |
testcase_09 | AC | 138 ms
80,044 KB |
testcase_10 | AC | 848 ms
185,900 KB |
testcase_11 | AC | 501 ms
132,416 KB |
testcase_12 | AC | 700 ms
165,244 KB |
testcase_13 | AC | 768 ms
178,260 KB |
testcase_14 | AC | 563 ms
146,188 KB |
testcase_15 | AC | 728 ms
170,560 KB |
testcase_16 | AC | 171 ms
81,824 KB |
testcase_17 | AC | 42 ms
55,184 KB |
testcase_18 | AC | 207 ms
88,632 KB |
testcase_19 | AC | 296 ms
102,896 KB |
testcase_20 | AC | 290 ms
102,592 KB |
testcase_21 | AC | 96 ms
77,944 KB |
ソースコード
mod = 1000000007 eps = 10**-9 def main(): import sys from collections import deque input = sys.stdin.readline from collections import deque # compressed[v]: 縮約後のグラフで縮約前のvが属する頂点 # num: 縮約後のグラフの頂点数 def SCC(adj, adj_rev): N = len(adj) - 1 seen = [0] * (N + 1) compressed = [0] * (N + 1) order = [] for v0 in range(1, N + 1): if seen[v0]: continue st = deque() st.append(v0) while st: v = st.pop() if v < 0: order.append(-v) else: if seen[v]: continue seen[v] = 1 st.append(-v) for u in adj[v]: st.append(u) seen = [0] * (N + 1) num = 0 for v0 in reversed(order): if seen[v0]: continue num += 1 st = deque() st.append(v0) seen[v0] = 1 compressed[v0] = num while st: v = st.pop() for u in adj_rev[v]: if seen[u]: continue seen[u] = 1 compressed[u] = num st.append(u) return num, compressed # 縮約後のグラフを構築 # 先にSCC()を実行してnum, compressedを作っておく def construct(adj, num, compressed): N = len(adj) - 1 adj_compressed = [set() for _ in range(num + 1)] for v in range(1, N + 1): v_cmp = compressed[v] for u in adj[v]: u_cmp = compressed[u] if v_cmp != u_cmp: adj_compressed[v_cmp].add(u_cmp) return adj_compressed def fin(): print(-1) exit() N = int(input()) S = list(map(int, input().split())) T = list(map(int, input().split())) U = list(map(int, input().split())) def idx(i, j, flg): return i * N + j + 1 + flg * N*N adj = [[] for _ in range(N*N*2 + 1)] adj_rev = [[] for _ in range(N * N * 2 + 1)] for i in range(N): s = S[i] - 1 t = T[i] - 1 u = U[i] if u == 0: flg_s = 1 flg_t = 1 elif u == 1: flg_s = 0 flg_t = 1 elif u == 2: flg_s = 1 flg_t = 0 else: flg_s = 0 flg_t = 0 for j in range(N): a = idx(s, j, flg_s) b = idx(j, t, flg_t) if a > N*N: adj[a - N*N].append(b) adj_rev[b].append(a - N*N) else: adj[a + N*N].append(b) adj_rev[b].append(a + N*N) if b > N*N: adj[b - N*N].append(a) adj_rev[a].append(b - N*N) else: adj[b + N*N].append(a) adj_rev[a].append(b + N*N) _, G_idx = SCC(adj, adj_rev) for v in range(1, N*N+1): v_ = v + N*N if G_idx[v] == G_idx[v_]: fin() ans = [[0] * N for _ in range(N)] for i in range(N): for j in range(N): v = idx(i, j, 0) v_ = idx(i, j, 1) if G_idx[v] < G_idx[v_]: ans[i][j] = 1 for i in range(N): print(*ans[i]) # check for i in range(N): s = S[i] - 1 t = T[i] - 1 u = U[i] for j in range(N): if u == ans[s][j] + ans[j][t] * 2: assert False if __name__ == '__main__': main()