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题解(7)

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#include <unordered_set> /* struct UndirectedGraphNode { int label; vector<struct UndirectedGraphNode *> neighbors; Undirected...

2020-10-07

0 526

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/* struct ListNode { int val; struct ListNode *next; ListNode(int x) : val(x), next(NULL) {} };*/ class Palindrome { public: bool isPa...

2020-10-07

1 613

O(1) 额外空间

class Clearer { public: vector<vector<int> > clearZero(vector<vector<int> > mat, int n) { bool fr = any_of(mat[0]....

2020-10-07

0 733

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class Transform { public: vector<vector<int> > transformImage(vector<vector<int> > mat, int n) { reverse(mat.begin...

2020-10-07

0 641

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class Zipper { public: string zipString(string iniString) { char p = 0; int cnt = 0; string ret; int i = 0, n = i...

2020-10-07

0 683

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class Replacement { public: string replaceSpace(string iniString, int length) { // count zeros int last = length + 2 * count(iniSt...

2020-10-07

1 798

Python EAFP 风格 C++ 异常处理

原题：猫狗收容所有家动物收容所只收留猫和狗，但有特殊的收养规则，收养人有两种收养方式，第一种为直接收养所有动物中最早进入收容所的，第二种为选择收养的动物类型（猫或狗），并收养该种动物中最早进入收容所的。给定一个操作序列int[][2] ope(C++中为vector<vector<i...

2020-10-06

1 936