[积累]C++复习 海大2014硕士生面试题字符串处理

#include <stdio.h>
#include <iostream>
#include <vector>

using namespace std;
class Counter{
public:
    Counter(char char1){
      mCount = 1;
      mChar = char1;
    }
    int mCount;
    char mChar;
};

int main()
{
    vector<Counter*> mCounters;
    cout<<"输入字符"<<endl;
    char* s =new char[100];  // new char 什么意思
    cin>>s;

    char* p;
    p = s;
    char pre = -1;
    Counter* counter;

    while(*p)
    {
        if(*p >= 'a' && *p <= 'z')
        {
            *p = *p - 32;
        }

        if(pre != *p){
            //cout << *p << endl;
            pre = *p;
            counter = new Counter(*p);
            mCounters.push_back(counter);
        }else{
            counter->mCount++;
        }
        p++;
    }

    for (vector<Counter*>::size_type i = 0; i != mCounters.size(); ++i)
       {
           Counter* counter = mCounters[i];
           cout  << counter->mChar << counter->mCount;

       }
    cout << endl;
    return 0;
}