ошибка в программе

[julia9311]

C:\Program Files\Microsoft Visual Studio\MyProjects\kjhgf\jhgbfvdcs.c pp(5) : error C2146: syntax error : missing ';' before identifier 'str'
C:\Program Files\Microsoft Visual Studio\MyProjects\kjhgf\jhgbfvdcs.c pp(5) : error C2501: 'string' : missing storage-class or type specifiers
C:\Program Files\Microsoft Visual Studio\MyProjects\kjhgf\jhgbfvdcs.c pp(5) : fatal error C1004: unexpected end of file found

#include <fstream>
    string str("abcdefghijklmnopqrstuvwxyz^qwertyuiop[]asdfghjkl;'mn");
    cout << str.length();
    const char symbol=' ';
 
 
    int tab_count, i;
    for(tab_count=0, i = 0; i <= str.length()/2 ;i += 2)
        ++tab_count;
    --tab_count;
 
 
    cout << "Число отступов = " << tab_count << endl;
 
    size_t counter=0;
    size_t temp=0;
 
 
    for(i = 0; i <= str.length()/2; i += 2)
    {
 
        size_t ots=0;
 
        while(ots != tab_count)
        {
            cout << symbol;
            ++ots;
        }
 
        for(temp = counter; temp != i; ++temp)
            cout << str[temp];
 
        for(temp = i; temp != counter; --temp)
            cout << str[temp];
 
        cout << str[temp];
 
        --tab_count;
        ++counter;
 
        cout << endl;
    }

[julia9311]

проблема решена)