... if ( ob.str[i] >= '0' && ob.str[i[ <= '9') ....//=======================class MyClass {private: std::string str[SZ];public: int operator>= (unsigned char ch)};
//====================================int MyClass::operatr>= (unsigned char ch){ for ( int i = 0; i < 10; i ++) if ( ob.str[i] >= '0') return 1; else return 0;
int MyClass::operator>= (char ch){ MyClass ob; for ( int i = 0; i < 10; i ++) if ( ob.str[i] >= '0') return 1; else return 0;
int MyClass::operatr>= (char ch){ for ( int i = 0; i < 10; i ++) if (str[i] >= '0') return 1; else return 0;
str[i]
if ( str[i] >= '0' && str[i[ <= '9')