摘要：
``` class Solution { public: int hammingWeight(uint32_t n) { int res = 0; for (int i = 0; i >i); } return res; } }; ``` 阅读全文
posted @ 2019-04-12 15:28
JohnRed
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``` class Solution { public: uint32_t reverseBits(uint32_t n) { uint32_t res = 0; for (int i = 0; i >i)); } return res; } }; ``` 阅读全文
posted @ 2019-04-12 15:27
JohnRed
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``` class Solution { public: void rotate(vector& nums, int k) { if (nums.empty() || (k %= nums.size()) == 0) return; int n = nums.size(); reverse(nums.begin(), nums.begin()... 阅读全文
posted @ 2019-04-12 15:26
JohnRed
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``` class Solution { public: void reverseWords(vector& str) { reverse(str.begin(), str.end()); for (int i = 0, j = 0; i 阅读全文
posted @ 2019-04-12 15:25
JohnRed
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``` class Solution { public: string largestNumber(vector& nums) { string res; sort(nums.begin(), nums.end(), "" { return to_string(a) + to_string(b) t 阅读全文
posted @ 2019-04-12 09:45
JohnRed
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``` class Solution { public: int calculateMinimumHP(vector>& dungeon) { int m = dungeon.size(), n = dungeon[0].size(); vector> dp(m + 1, vector(n + 1, INT_MAX)); dp[m][n - ... 阅读全文
posted @ 2019-04-12 09:44
JohnRed
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```
class Solution {
public: int trailingZeroes(int n) { int res = 0; while (n) { res += n / 5; n /= 5; } return res; }
};
``` ```
clas... 阅读全文
posted @ 2019-04-12 09:42
JohnRed
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``` class TwoSum { public: void add(int number) { ++m[number]; } bool find(int value) { for (auto a : m) { int t = value - a.first; if ((t != a.firs... 阅读全文
posted @ 2019-04-12 09:41
JohnRed
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``` class Solution { public: int majorityElement(vector& nums) { int res = 0, cnt = 0; for (int num : nums) { if (cnt == 0) {res = num; ++cnt;} else (num ==... 阅读全文
posted @ 2019-04-12 09:39
JohnRed
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``` // O(n) class Solution { public: vector twoSum(vector& numbers, int target) { int l = 0, r = numbers.size() 1; while (l 阅读全文
posted @ 2019-04-12 09:38
JohnRed
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