ColorGraph题意：给出一个由(n)个点和(m)条边组成的无向图，保证无自环无重边，初始时所有的边都是白色的，每一次都可以选择一条边把它染成红色，不过需要保证不存在红色的奇环，现在要求尽可能多的将白边染成红色，问最多能染多少条边题解：看到奇环首先想到二分图：所以这道题就转化成了一个二分图问题:就是要找尽可能多的边...

M- MeetingTimeLimit:6000MS     MemoryLimit:262144KB     64bitIOFormat:%I64d&%I64uSubmit cid=113817#status//M/0"class="ui-buttonui-widgetui-state-defaultui-c...

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AAnOlympianMathProblem #include<bits/stdc++.h>usingnamespacestd;typedeflonglongll;llT,n;intmain(){scanf("%lld",&T);while(T--){scanf("%lld",&n...

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AHardtoprepare#include<bits/stdc++.h>usingnamespacestd;#defineN1000005longlongmod=1e9+7;longlongpower(longlonga,longlongb){a%=mod;longlongret=1;while(b){i...

A MagicMirror#include<bits/stdc++.h>usingnamespacestd;chars[20];intmain(){intT;scanf("%d",&T);cin.ignore();while(T--){gets(s);intlen=strlen(s);fo...

 I.CharacterswithHashMurloveshashalgorithm,andhesometimesencryptanotherone'sname,andcallhimwiththatencryptedvalue.Forinstance,hecallsKimuraKMR,andcallsSuzu...

P2:Heshen'sAccountBookTimeLimit:1000msCaseTimeLimit:1000msMemoryLimit:512MBDescriptionHeshenwasanofficialoftheQingdynasty.Hemadeafortunewhichcouldbecomparableto...