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其他好文 时间:
2015-01-15 21:46:46
阅读次数:
198
这个题是个高中的物理公式,只要细节处理好就能过(现在最怕的就是细节啊)~~
题目大意:
城市A、B之间有一条路,长度为l,在距离A城市d的位置放置了限速标志,意味着到那个点的时候速度必须不大于限制速度。现有一车在城市A出发,车的加速度为a,最大速度为v,求通过这条路的最小时间。车出发时的速度为零。
解题思路:
套物理公式,分类讨论
下面...
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其他好文 时间:
2015-01-15 13:02:21
阅读次数:
154
Given a linked list, determine if it has a cycle in it.
Follow up:
Can you solve it without using extra space?
/**
* Definition for singly-linked list.
* struct ListNode {
* int val;
* ...
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其他好文 时间:
2015-01-15 11:01:23
阅读次数:
186
Given a linked list, return the node where the cycle begins. If there is no cycle, return null.
Follow up:
Can you solve it without using extra space?
/**
* Definition for singly-linked list.
*...
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其他好文 时间:
2015-01-15 11:01:22
阅读次数:
236
https://oj.leetcode.com/problems/linked-list-cycle/Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using ext...
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其他好文 时间:
2015-01-13 13:55:51
阅读次数:
193
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.
click to show follow up.
Follow up:
Did you use extra space?
A straight forward solution using O(m...
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其他好文 时间:
2015-01-13 10:39:06
阅读次数:
156
You are given an n x n 2D matrix representing an image.
Rotate the image by 90 degrees (clockwise).
Follow up:
Could you do this in-place?
先转置class Solution
{
public:
void rotate(vector...
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其他好文 时间:
2015-01-12 10:57:18
阅读次数:
137
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?我直接开了一个大小相同的数组resul...
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其他好文 时间:
2015-01-11 14:50:19
阅读次数:
154
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?题意判...
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其他好文 时间:
2015-01-11 14:44:45
阅读次数:
160
Robot Motion
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 10968
Accepted: 5319
Description
A robot has been programmed to follow the instructions ...
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其他好文 时间:
2015-01-11 09:37:27
阅读次数:
155