結果
問題 | No.307 最近色塗る問題多くない? |
ユーザー | rpy3cpp |
提出日時 | 2015-11-27 23:56:34 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,257 bytes |
コンパイル時間 | 111 ms |
コンパイル使用メモリ | 13,056 KB |
実行使用メモリ | 25,600 KB |
最終ジャッジ日時 | 2024-09-14 01:34:16 |
合計ジャッジ時間 | 9,129 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 32 ms
18,208 KB |
testcase_01 | AC | 32 ms
11,136 KB |
testcase_02 | AC | 33 ms
11,136 KB |
testcase_03 | AC | 33 ms
11,264 KB |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | AC | 66 ms
13,312 KB |
testcase_11 | AC | 128 ms
16,384 KB |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | AC | 40 ms
11,904 KB |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | AC | 467 ms
23,936 KB |
testcase_28 | TLE | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
ソースコード
class DisjointSet(object): def __init__(self, n): self.parent = list(range(n)) self.rank = [0] * n self.num = n # number of disjoint sets def union(self, x, y): self._link(self.find_set(x), self.find_set(y)) def _link(self, x, y): if x == y: return self.num -= 1 if self.rank[x] > self.rank[y]: self.parent[y] = x else: self.parent[x] = y if self.rank[x] == self.rank[y]: self.rank[y] += 1 def find_set(self, x): xp = self.parent[x] if xp != x: self.parent[x] = self.find_set(xp) return self.parent[x] class PaintSet(object): def __init__(self, color, H, W): self.color = color self.H = H self.W = W self.ds = DisjointSet(H * W) self._init2() def _init2(self): ds = self.ds color = self.color W = self.W H = self.H pos = 0 for r in range(H): for c in range(W): col = color[pos] if r+1 < H and color[pos + W] == col: ds.union(pos, pos + W) if c+1 < W and color[pos + 1] == col: ds.union(pos, pos + 1) pos += 1 Es = [set() for i in range(W * H)] pos = 0 for r in range(H): for c in range(W): col = color[pos] p = ds.find_set(pos) if r+1 < H and color[pos + W] != col: p2 = ds.find_set(pos + W) Es[p].add(p2) Es[p2].add(p) if c+1 < W and color[pos + 1] != col: p2 = ds.find_set(pos + 1) Es[p].add(p2) Es[p2].add(p) pos += 1 self.Es = Es def paint(self, r, c, x): ds = self.ds p = ds.find_set(r * self.W + c) if self.color[p] == x: return self.color[p] = x self._update(p, x) def _update(self, p, x): Es = self.Es ds = self.ds new_neighbour = set() for v in Es[p]: pv = ds.find_set(v) ds.union(p, pv) new_neighbour |= Es[pv] new_neighbour.remove(p) newp = ds.find_set(p) Es[newp] = new_neighbour def pprint(self): W = self.W H = self.H color = self.color ds = self.ds pos = 0 for r in range(H): row = [] for c in range(W): col = color[ds.find_set(pos)] row.append(col) pos += 1 print(*row) def read_data(): H, W = map(int, input().split()) color = [] for r in range(H): color.extend(list(map(int, input().split()))) Q = int(input()) query = [] for q in range(Q): r, c, x = map(int, input().split()) query.append((r-1, c-1, x)) return H, W, color, Q, query def solve(H, W, color, Q, query): paintset = PaintSet(color, H, W) for r, c, x in query: paintset.paint(r, c, x) paintset.pprint() H, W, color, Q, query = read_data() solve(H, W, color, Q, query)