24.1.编辑板块 cms/js/banners.js $(function () { $('.edit-board-btn').click(function () { var...self = $(this); var tr = self.parent().parent(); var name = tr.attr('data-name');...} } }); } }); }); }); 24.2.删除板块 cms/js.../banners.js $(function () { $('.delete-board-btn').click(function (event) { event.preventDefault...(); var self = $(this); var board_id = self.parent().parent().attr('data-id');
class DisjointSet: def __init__(self, size): self.parent = [i for i in range(size)]...self.rank = [0] * size def find(self, x): if self.parent[x] !...= x: self.parent[x] = self.find(self.parent[x]) # 路径压缩 return self.parent[x]...def find(self, x): if self.parent[x] !...= x: self.parent[x] = self.find(self.parent[x]) # 路径压缩 return self.parent[x] 应用场景 并查集常用于解决集合的合并和查找问题
class DisjointSet: def __init__(self, size): self.parent = [i for i in range(size)]...self.rank = [0] * size def find(self, x): if self.parent[x] !...= x: self.parent[x] = self.find(self.parent[x]) # 路径压缩 return self.parent[x] def...def find(self, x): if self.parent[x] !...= x: self.parent[x] = self.find(self.parent[x]) # 路径压缩 return self.parent[x]应用场景并查集常用于解决集合的合并和查找问题
UnionFind Class class UnionFind: def __init__(self, n): self.count = n self.parent...= [i for i in range(n)] def find(self, idx): if self.parent[idx] !...= idx: self.parent[idx] = self.find(self.parent[idx]) return self.parent[idx]...= j_pos: self.parent[i_pos] = j_pos self.count -= 1 def Count...= self.parent[p]: self.parent[p] = self.parent[self.parent[p]] p = self.parent
(i)]: self.heap[i], self.heap[self.parent(i)] = self.heap[self.parent(i)], self.heap[i]...i = self.parent(i) def _heapify_down(self, i): max_index = i left = self.left_child(...(i)]: self.heap[i], self.heap[self.parent(i)] = self.heap[self.parent(i)], self.heap[i]..._heapify_up_min(i) def _heapify_up_min(self, i): grandparent = self.parent(self.parent(i))..._heapify_up_min(grandparent) def _heapify_up_max(self, i): grandparent = self.parent(self.parent
1、创建JS文件:jquery.JPlaceholder.js js代码如下: /* * jQuery placeholder, fix for IE6,7,8,9 * hovertree.com...left:pos.left, top:pos.top, height:h, lienHeight:h, paddingLeft:paddingleft, color:'#aaa'}).appendTo(self.parent...jQuery JPlaceholder Demo - 何问起 </head
代码实现 class UnionFind: def __init__(self): self.co = 0 # 用于记录群的个数 self.parent = [...= x: # self.parent[x] = self.parent[self.parent[x]] # 用于路径压缩 x = self.parent...[rootQ] = rootP self.size[rootP] += self.size[rootQ] else: self.parent...=[0,1,2,3,4,5,6,7,8,9],self.parent[0]=0表示0节点的父节点是0。...def uf(self, n): self.co = n self.parent = [0 for _ in range(n)] self.size =
= self.parent[x]: x = self.parent[x] return x def union(self, p, q):...if self.connected(p, q): return self.parent[self.find(p)] = self.find(q) self.cnt -=...= self.parent[x]: x = self.parent[x] # 路径压缩 self.parent[x] = self.parent...[self.parent[x]]; return x def union(self, p, q): if self.connected(p, q): return...[leader_p] = leader_q else: self.parent[leader_q] = leader_p self.cnt -=
并查集(参考leetcode323题)link class UnionFind: def __init__(self, n): self.count = n self.parent...= self.parent[p]: self.parent[p] = self.parent[self.parent[p]] p = self.parent...[p] return self.parent[p] def Union(self, p, q): p_root = self.Find(p) q_root...= self.Find(q) self.parent[p_root] = q_root self.count -= 1 def Count(
class UnionFind: def __init__(self,size): self.size = size self.parent = np.arange...def find(self,p): assert p>=0 and p<self.size while (self.parent[p]!...class UnionFind: def __init__(self,size): self.size = size self.parent = np.arange...=self.parent(p): self.parent[p] = self.findCompress2(self.parent[p]) return...self.parent[p] 通过递归调用,函数从某一点出发,上溯到祖宗节点,返回值传递祖宗节点。
= self.parent[x]: x = self.parent[x] return x connected def connected(self, p, q): return...= self.parent[x]: x = self.parent[x] return x def union(self, p, q):...if self.connected(p, q): return self.parent[self.find(p)] = self.find(q) def connected(self...= self.parent[x]: parent[x] = find(parent[x]) return parent[x] def union(self..., p, q): if self.connected(p, q): return self.parent[self.find(p)] = self.find(q)
else: return self.left(x) # 上浮第x个元素 def up(self, x): while self.parent...(x) > 0: # 如果新节点小于父节点 if self.pq[x] > self.pq[self.parent(x)]:...self.swap(self.parent(x), x) x = self.parent(x) # 下浮第x个元素 def down(self, x):
Qt.FramelessWindowHint | Qt.Dialog) self.hide() def eventFilter(self, widget, event): if widget == self.parent...eventFilter(widget, event) def moveWithParent(self): if self.isVisible(): self.move(self.parent...().geometry().x(), self.parent().geometry().y()) self.setFixedSize(QSize(self.parent().geometry...().width(), self.parent().geometry().height())) @staticmethod def showToast(window, tip='加载中
key self.payload = val self.leftchild = left self.rightchild = right self.parent...def hasrightchild(self): return self.rightchild def isleftchild(self): return self.parent...== self def isroot(self): return not self.parent def isleaf(self): return...self.parent.rightchild = self.leftchild # 应该不会出现 self.leftchild.parent = self.parent...else: self.parent.rightchild = self.rightchild self.rightchild.parent = self.parent
= self.parent[p]: p = int(self.parent[p]) return p def isConnected(self...= self.parent[p]: p = int(self.parent[p]) return p def isConnected(self...= self.parent[p]: p = int(self.parent[p]) return p def isConnected(self...= self.parent[p]: self.parent[p] = int(self.parent[int(self.parent[p])])...= int(self.parent[p]): self.parent[p] = int(self.find(int(self.parent[p])))
例题: 1584.连接所有点的最小费用 from typing import List class UnionFind: def __init__(self, n): self.parent...= self.parent[x]: x = self.parent[x] self.parent[x] = self.parent[self.parent...self.find(p) root_q = self.find(q) if root_p == root_q: return False self.parent
= self.parent[i as usize] { self.help[hi as usize] = i; hi += 1;...i = self.parent[i as usize]; } hi -= 1; while hi >= 0 { self.parent...self.size[f2 as usize] { self.size[f1 as usize] += self.size[f2 as usize]; self.parent...} else { self.size[f2 as usize] += self.size[f1 as usize]; self.parent...isize { let mut ans: isize = 0; for i in 0..self.parent.len() { ans += if self.parent
以下是并查集的基本实现示例:pythonclass UnionFind: def __init__(self, size): self.parent = list(range(size...)) self.rank = [1] * size def find(self, p): if self.parent[p] !...= p: self.parent[p] = self.find(self.parent[p]) # Path compression return self.parent...[rootQ] = rootP elif self.rank[rootP] < self.rank[rootQ]: self.parent[rootP...] = rootQ else: self.parent[rootQ] = rootP self.rank[rootP]
val_type_ def get_name(self): return self.name def get_parent(self): return self.parent...def set_parent(self, p): self.parent = p def get_type(self): return self.type...class struct_def_t: def __init__(self, name, parent = None): self.name = name self.parent...def set_parent(self, parent): self.parent = parent def add_field(self, field_def...def get_all_field(self): return self.all_fields def get_parent(self): return self.parent
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