Tom and Jerry are going on a vacation. They are now driving on a one-way road and several cars are in front of them. To be more specific, there are nn ...
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其他好文 时间:
2020-07-17 09:30:42
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82
Pass a year learning in Hangzhou, yifenfei arrival hometown Ningbo at finally. Leave Ningbo one year, yifenfei have many people to meet. Especially a ...
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其他好文 时间:
2020-07-17 01:14:23
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90
a_list = [ ('mac',9000), ('kindle',8000), ('tesla',6000), ('python book',105),]saving = input('输入你的钱:')shopping = []if saving.isdigit():#如果输入的为数字,转换为整 ...
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其他好文 时间:
2020-07-16 11:52:13
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75
场景:投票点赞 在更新总条数字段时 EF先读取model 再进行更新的情景 容易出现并发问题 可参考文档: https://docs.microsoft.com/zh-cn/ef/ef6/saving/concurrency?redirectedfrom=MSDNhttps://www.cnblog ...
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其他好文 时间:
2020-07-16 10:16:39
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103
一个数最多能取8-9次根号。 #include <bits/stdc++.h> using namespace std; #define debug printf("bug!!!\n"); typedef long long ll; const int MAXN=1e5+10; const ll M ...
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2020-07-16 10:11:53
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74
链接:https://leetcode-cn.com/problems/subsets-ii/ 代码 class Solution { public: vector<vector<int>> ans; vector<int> path; vector<vector<int>> subsetsWith ...
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其他好文 时间:
2020-07-16 00:27:10
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75
循环 为什么使用循环: 在达到同样的效果的同时可以用较简洁的代码 public void demo1(){ //直接打印:易错、代码量多、效率低 System.out.println("好好学习第一遍"); System.out.println("好好学习第二遍"); System.out.prin ...
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其他好文 时间:
2020-07-15 23:50:09
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62
Description A wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string "13" and can be divided by 13. ...
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其他好文 时间:
2020-07-15 23:20:22
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96
##题面 Problem Description Queues and Priority Queues are data structures which are known to most computer scientists. The Queue occurs often in our dai ...
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其他好文 时间:
2020-07-12 17:05:48
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132
列一下hdu,poj,CF上常见的Stirling数相关的习题(补充完善中): hdu2643 hdu3625 hdu4372 hdu4045 POJ1430 POJ2621 CF932E CF961G CF960G ...
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其他好文 时间:
2020-07-12 16:52:18
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64