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题解

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c++ only 4 lines

class Solution { public: struct Less { bool operator()(int a, int b) { return stoi(to_string(a)+to_string(b)) < stoi(to_str...

2020-04-30

0 628

c++

class Solution { public: int FindGreatestSumOfSubArray(vector<int> array) { if (array.size() <= 0) return INT_MIN; int ma...

2020-04-30

0 609

c++

利用辅助空间，时间复杂度O(nlogk) class Solution { public: vector<int> GetLeastNumbers_Solution(vector<int> input, int k) { vector<int&g...

2020-04-30

0 615

c++

class Solution { public: int GetUglyNumber_Solution(int index) { if (index <= 0) return 0; vector<int> ugly(index); ...

2020-04-29

6 915

c++

/* struct TreeLinkNode { int val; struct TreeLinkNode *left; struct TreeLinkNode *right; struct TreeLinkNode *next; TreeLinkNode(i...

2020-04-28

0 594

c++

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

2020-04-28

0 509

c++

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

2020-04-28

0 459

c++

class Solution { public: //Insert one char from stringstream void Insert(char ch) { hashmap[ch] ++; data+=ch; } //...

2020-04-28

0 613

c++

class Solution { public: int Add(int num1, int num2) { int result = 0, carry = 0; do { result = num1 ^ num2; ...

2020-04-28

0 643

c++

class Solution { public: int Sum_Solution(int n) { int sum = n; sum && (sum+=Sum_Solution(n-1)); return sum; }...

2020-04-27

0 706