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计算二进制数的0的个数
#include using namespace std; int calZeroNum(int num) { if (0 == num) { return 0; } int count = 0; while (0 != num) { if (0 == (num & 1)) { ...
分类:其他好文   时间:2015-01-05 16:46:48    阅读次数:111
合唱队
#include using namespace std; int main() {     int N = 0;     while(cin>>N)     {         int *students = new int [N + 1];//students[0]保留不用         memset(students, 1, sizeof(int) * (N +1...
分类:其他好文   时间:2015-01-05 16:41:34    阅读次数:115
删除重复字符
#include #include "OJ.h" using namespace std; /* Description 给定一个字符串,将字符串中所有和前面重复多余的字符删除,其余字符保留,输出处理后的字符串。需要保证字符出现的先后顺序。 Prototype int GetResult(const char *input, char *output) I...
分类:其他好文   时间:2015-01-05 16:40:34    阅读次数:109
[Leetcode] 1 - Two Sum
原题链接:https://oj.leetcode.com/problems/two-sum/ 撇开暴力破解,这道题有众所周知的两种做法: 1. 先排序,再一前一尾双指针。这种方法要注意的是,排序时需要保存原来的index,这样的话其实是一个有着value和index的结构体基于value的排序。 2. 直接hash。这道题需要注意的是,如果数组有两个相同元素,但是仍然构成唯一解。比如...
分类:其他好文   时间:2015-01-05 14:54:31    阅读次数:190
最大公约数
#include using namespace std; int gcd(int m, int n) { int temp = 0; if (m < n) { temp = m; m = n; n = temp; } while (0 != m%n) { temp = n; ...
分类:其他好文   时间:2015-01-05 11:11:57    阅读次数:128
[LeetCode]88 Merge Sorted Array
https://oj.leetcode.com/problems/merge-sorted-array/http://blog.csdn.net/linhuanmars/article/details/19712333publicclassSolution{ publicvoidmerge(intA[],intm,intB[],intn){ //SolutionA: //merge_NoExtraSpace(A,m,B,n); //SolutionB: merge_ExtraSpace(A,m,B,n);..
分类:其他好文   时间:2015-01-05 07:14:31    阅读次数:141
[LeetCode]90 Subsets II
https://oj.leetcode.com/problems/subsets-ii/http://blog.csdn.net/linhuanmars/article/details/24613193publicclassSolution{ publicList<List<Integer>>subsetsWithDup(int[]num){ Arrays.sort(num); Set<List<Integer>>results=newHashSet<..
分类:其他好文   时间:2015-01-05 07:13:53    阅读次数:190
[LeetCode]84 Largest Rectangle in Histogram
https://oj.leetcode.com/problems/largest-rectangle-in-histogram/http://blog.csdn.net/linhuanmars/article/details/20524507publicclassSolution{ publicintlargestRectangleArea(int[]height) { //SolutionA //returnlargestRectangleArea_Expand(height); //SolutionB ..
分类:其他好文   时间:2015-01-05 07:13:52    阅读次数:132
[LeetCode]89 Gray Code
https://oj.leetcode.com/problems/gray-code/publicclassSolution{ publicList<Integer>grayCode(intn) { //规律: //n=0: //0 // //n=1: //0 //1 // //n=2: //00 //01 //11 //10 // //n=3 //000 //001 //011 //010 //110 //111 //101 //100 // //设n-1结果集为s //正序..
分类:其他好文   时间:2015-01-05 07:12:52    阅读次数:150
LeetCode-Clone Graph
Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors.OJ's undirected graph serialization:Nodes are labeled u...
分类:其他好文   时间:2015-01-05 07:03:18    阅读次数:261
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