在C#版看到这一篇文章,手边现在正开著MacBook上网
实在不太想重新开Windows跟Visual Studio来编码
正好我也在练习C++ Template,那就很刚好试著用Template来实践一下
//
// main.cpp
// RandomTest
//
// Created by Cloud on 2011/4/10.
// Copyright 2011年 Orz. All rights reserved.
//
#include <iostream>
#include <vector>
using namespace std;
template<class T>
class RandomWord
{
T m_Word;
int m_Probability;
public:
RandomWord(T word, int probability):m_Word(word),m_Probability(probability){}
T getWord() { return m_Word; }
int getProbability() { return m_Probability; }
};
template<class T>
class RandManager
{
vector<RandomWord<T> > m_randomList;
int m_sumOfProbability;
public:
RandManager() :m_randomList(), m_sumOfProbability(0)
{
}
void AddRandomWord(RandomWord<T> word)
{
if(m_sumOfProbability <= 100)
m_randomList.push_back(word);
cout<<"Add word:"<<word.getWord()<<endl;
cout<<"Probability:"<<m_sumOfProbability;
cout<<"-"<<word.getProbability() + m_sumOfProbability<<endl;
m_sumOfProbability += word.getProbability();
}
void RandomGenerate(int randNum)
{
cout<<"Random:"<<randNum<<endl;
int sum = 0;
for(int i = 0 ; i < m_randomList.size() ; i++)
{
RandomWord<T> orz = m_randomList[i];
if( (sum <= randNum) && (randNum < (orz.getProbability() + sum)))
{
cout<<"Generate:"<<orz.getWord()<<endl;
break;
}
else
{
sum += orz.getProbability();
}
}
}
};
int main (int argc, const char * argv[])
{
RandManager<char> manager;
manager.AddRandomWord(RandomWord<char>('A',10));
manager.AddRandomWord(RandomWord<char>('B',10));
manager.AddRandomWord(RandomWord<char>('C',35));
manager.AddRandomWord(RandomWord<char>('D',25));
manager.AddRandomWord(RandomWord<char>('E',20));
srand(time(NULL));
manager.RandomGenerate(rand()0);
return 0;
}
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