結果
問題 | No.1640 簡単な色塗り |
ユーザー | mkawa2 |
提出日時 | 2021-08-07 00:18:54 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 343 ms / 2,000 ms |
コード長 | 2,529 bytes |
コンパイル時間 | 222 ms |
コンパイル使用メモリ | 82,352 KB |
実行使用メモリ | 111,728 KB |
最終ジャッジ日時 | 2024-06-29 16:38:57 |
合計ジャッジ時間 | 18,693 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(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 | 39 ms
54,012 KB |
testcase_01 | AC | 36 ms
53,456 KB |
testcase_02 | AC | 33 ms
53,628 KB |
testcase_03 | AC | 35 ms
53,676 KB |
testcase_04 | AC | 170 ms
111,728 KB |
testcase_05 | AC | 163 ms
101,076 KB |
testcase_06 | AC | 33 ms
53,732 KB |
testcase_07 | AC | 35 ms
53,568 KB |
testcase_08 | AC | 33 ms
53,616 KB |
testcase_09 | AC | 33 ms
53,156 KB |
testcase_10 | AC | 247 ms
92,464 KB |
testcase_11 | AC | 235 ms
89,664 KB |
testcase_12 | AC | 220 ms
87,676 KB |
testcase_13 | AC | 329 ms
99,804 KB |
testcase_14 | AC | 325 ms
100,140 KB |
testcase_15 | AC | 199 ms
85,236 KB |
testcase_16 | AC | 211 ms
86,264 KB |
testcase_17 | AC | 283 ms
96,448 KB |
testcase_18 | AC | 122 ms
78,536 KB |
testcase_19 | AC | 216 ms
87,624 KB |
testcase_20 | AC | 251 ms
91,900 KB |
testcase_21 | AC | 228 ms
89,388 KB |
testcase_22 | AC | 113 ms
77,984 KB |
testcase_23 | AC | 262 ms
92,148 KB |
testcase_24 | AC | 168 ms
81,520 KB |
testcase_25 | AC | 235 ms
87,720 KB |
testcase_26 | AC | 299 ms
93,580 KB |
testcase_27 | AC | 199 ms
85,300 KB |
testcase_28 | AC | 318 ms
98,328 KB |
testcase_29 | AC | 277 ms
93,728 KB |
testcase_30 | AC | 130 ms
79,820 KB |
testcase_31 | AC | 226 ms
94,016 KB |
testcase_32 | AC | 203 ms
92,416 KB |
testcase_33 | AC | 166 ms
87,400 KB |
testcase_34 | AC | 197 ms
89,908 KB |
testcase_35 | AC | 174 ms
87,260 KB |
testcase_36 | AC | 114 ms
79,796 KB |
testcase_37 | AC | 124 ms
80,940 KB |
testcase_38 | AC | 211 ms
92,760 KB |
testcase_39 | AC | 149 ms
83,800 KB |
testcase_40 | AC | 150 ms
83,948 KB |
testcase_41 | AC | 182 ms
90,784 KB |
testcase_42 | AC | 167 ms
84,536 KB |
testcase_43 | AC | 152 ms
85,180 KB |
testcase_44 | AC | 150 ms
84,460 KB |
testcase_45 | AC | 139 ms
83,536 KB |
testcase_46 | AC | 124 ms
79,844 KB |
testcase_47 | AC | 121 ms
79,348 KB |
testcase_48 | AC | 227 ms
93,172 KB |
testcase_49 | AC | 91 ms
77,312 KB |
testcase_50 | AC | 33 ms
53,480 KB |
testcase_51 | AC | 33 ms
53,608 KB |
testcase_52 | AC | 326 ms
102,144 KB |
testcase_53 | AC | 343 ms
102,196 KB |
07_evil_01.txt | AC | 663 ms
127,996 KB |
07_evil_02.txt | AC | 1,009 ms
152,000 KB |
ソースコード
import sys # sys.setrecursionlimit(200005) int1 = lambda x: int(x)-1 p2D = lambda x: print(*x, sep="\n") def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] # dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = 10**16 # md = 998244353 md = 10**9+7 class UnionFind: def __init__(self, n): self.state = [-1]*n self.e = [0]*n self.size_table = [1]*n # cntはグループ数 self.cnt = n def root(self, u): stack = [] while self.state[u] >= 0: stack.append(u) u = self.state[u] for v in stack: self.state[v] = u return u def merge(self, u, v): u = self.root(u) v = self.root(v) self.e[u] += 1 if u == v: return du = -self.state[u] dv = -self.state[v] if du < dv: u, v = v, u if du == dv: self.state[u] -= 1 self.state[v] = u self.cnt -= 1 self.size_table[u] += self.size_table[v] self.e[u] += self.e[v] return # グループの要素数 def size(self, u): return self.size_table[self.root(u)] def cnt_egde(self, u): u = self.root(u) return self.e[u] n = II() uf = UnionFind(n) to = [[] for _ in range(n)] for i in range(n): a, b = LI1() to[a].append((b, i)) to[b].append((a, i)) uf.merge(a, b) fin = set() for u in range(n): u = uf.root(u) if u in fin: continue fin.add(u) if uf.size(u) != uf.cnt_egde(u): print("No") exit() def dfs(u): stack = [(u, -1)] while stack: u, par = stack.pop() for v, i in to[u]: if v == par: continue if vis[v]: ans[i] = v+1 ee[i] = True return v vis[v] = True stack.append((v, u)) def match(u): stack = [u] while stack: u = stack.pop() for v, i in to[u]: if ee[i]: continue ee[i] = True ans[i] = v+1 stack.append(v) ans = [-1]*n ee = [False]*n vis = [False]*n for u in fin: r = dfs(u) match(r) print("Yes") print(*ans, sep="\n")