Comments

#include<bits/stdtr1c++.h>
using namespace std;
int main()
{
    freopen("cmntin.txt","r",stdin);
    freopen("cmnto.txt","w",stdout);
    char ch;
    bool t=0;
    while(cin>>ch)
    {
        t=0;
        if(ch=='/'){
            cin>>ch;
            if(ch=='*')
            {
                while(cin>>ch)
                {
                    if(ch=='*'){
                        cin>>ch;
                        if(ch=='/')
                            t=1;
                    }
                    if(t)
                        break;
                }
            }
            if(t==0)
                cout<<'/'<<ch;
        }
        else
            cout<<ch;
    }
    return 0;
}