Siruri de caractere probleme in clasa 25.2.2015

//verificati daca 2 cuv rimeaza

int main ()
{
    char s[256],s2[256],u2,*u,*q;
    int  m,n;
    cin.getline(s,256);
    cin.getline(s2,256);
    m=strlen(s)-2;
    u=s+m;
    n=strlen(s2)-2;
    q=s2+n;

if (strcmp(u,q)==0)
 cout<<"Rimeaza.";
else
 cout<<"Nu rimeaza";

return 0;

}



#include<iostream>
#include<cstring>

using namespace std;

//2. se citeste un sir de caractere. precizati daca sirul introdus repr. un numar

int main ()
{
    char s[256],s2[256],u2,*u,*q;
    int  m,n,ok=0,i;
    cin.getline(s,256);
     for (i=0;i<strlen(s);i++)
     {
         if (s[i]>='0' && s[i]<='9')
            {
            ok=1;
            break;
            }
     }
     if (ok==0)
        cout<<" nu sunt numere";
        else
        cout<<" sunt numere";




   return 0;

}