字符：

#include <iostream>

#include <vector>

#include <algorithm>

using namespace std;

int main()

{

       vector<char>vec;

       char ch=0;

       while (ch!='\n')

       {

              ch = getchar();

              vec.push_back(ch);

              scanf("%c",&ch);

              if (ch != ' '&&ch!='\n')

              {

                     vec.push_back(ch);

                     while((ch = getchar())!='\n')

                           vec.push_back(ch);

                     break;

              }

       }

       for(char i=0;i<vec.size();i++)

       cout << vec[i];

       system("Pause");

       return 0;

}

整形：

#include <iostream>

#include <vector>

#include<string>

#include <algorithm>

using namespace std;

int main()

{

       vector<int>vec;

       char ch=0;

       char c = 'a';

       int b;

       while (ch!='\n')

       {

              ch =getchar();

              vec.push_back(ch-'0');

              scanf("%c",&ch);

              if (ch != ' '&&ch!='\n')

              {

                     vec.push_back(ch - '0');

                     while((ch = getchar())!='\n')

                           vec.push_back(ch - '0');

                     break;

              }

       }

       for(int i=0;i<vec.size();i++)

       cout << vec[i];

       system("Pause");

       return 0;

}