why this sol (C++)
///////////////////
#include <iostream>
using namespace std;
int main()
{
    char text[256001];
    int i, wbeg=-1;
    for(i=0;; i++)
    {
        cin.get(text[i]);if(cin.eof())break;
        if(('A'<=text[i] && text[i]<='Z') || ('a'<=text[i] && text[i]<='z'))
        {
            if(wbeg==-1)
                wbeg=i;
        }
        else
            if(wbeg!=-1)
            {
                for(int j=wbeg; j<(i-wbeg)/2+wbeg; j++)
                {
                    char tmp=text[j];
                    text[j]=text[i-1-j+wbeg];
                    text[i-1-j+wbeg]=tmp;
                }
                wbeg=-1;
            }
    }
    for(int j=0; j<i; j++)
        cout<<text[j];
    return 0;
}
////////////////////////////

returns WA#10, and this sol
////////////////////////////
#include <iostream>
using namespace std;
int main()
{
    char text[256001];
    int i, wbeg=-1;
    for(i=0; !cin.eof(); i++)
    {
        cin.get(text[i]);
        if(('A'<=text[i] && text[i]<='Z') || ('a'<=text[i] && text[i]<='z'))
        {
            if(wbeg==-1)
                wbeg=i;
        }
        else
            if(wbeg!=-1)
            {
                for(int j=wbeg; j<(i-wbeg)/2+wbeg; j++)
                {
                    char tmp=text[j];
                    text[j]=text[i-1-j+wbeg];
                    text[i-1-j+wbeg]=tmp;
                }
                wbeg=-1;
            }
    }
    for(int j=0; j<i-1; j++)
        cout<<text[j];
    return 0;
}
////////////////

returns AC?????
I only replaced the !cin.eof condition.
I don't understand, what the difference in the running of this programms. They returned the same answers in all of my tests!

Edited by author 23.03.2010 01:16

Edited by author 23.03.2010 01:27

ushbu dasturda ahamiyatli joylari bor yani  .,?! Shu singari belgilar har bir satrning oxirida kelishi kerak.botir_studio@mail.ru

Try test where last line do not ends with CR/LF