hdu 1251 統計難題 (map水過),hdu1251# include <stdio.h># include <algorithm># include <string># include <map># include <iostream>using namespace std;int main(){ char a; string x; map<string,int>q; while(true)
Codeforces 459E Pashmak and Graph(dp+貪心),codeforces459e題目連結:Codeforces 459E Pashmak and Graph題目大意:給定一張有向圖,每條邊有它的權值,要求選定一條路線,保證所經過的邊權值嚴格遞增,輸出最長路徑。解題思路:將邊按照權值排序,每次將相同權值的邊同時加入,維護每個點作為終止點的最大長度即可。#include <cstdio>#
HDU 4946 Area of Mushroom 凸包 第八次多校,hdu4946Problem DescriptionTeacher Mai has a kingdom with the infinite area.He has n students guarding the kingdom.The i-th student stands at the position (xi,yi), and his walking speed is vi.If a point can be
[Django]Django的orm中get和filter的不同,djangoormDjango的orm中get和filter的不同Django的orm架構對於業務複雜度不是很高的應用來說還是不錯的,寫起來很方面,用起來也簡單。對於新手來說查詢操作中最長用的兩個方法get和filter有時候一不注意就會犯下一些小錯誤。那麼今天就來小節下這兩個方法使用上的不同。我常用的是1.5版本的django,就以此為例來說說吧。文檔首先對比下兩個函數文檔上的解釋。getReturns the object
codeforces #261 C題 Pashmak and Buses(瞎搞),題目地址:http://codeforces.com/contest/459/problem/CC. Pashmak and Busestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently Pashmak has been employed in a