Important-Points-Summarised

language skills or proficiency as a developer List of Standard and Reference Books, Practice Forums, Refrence Websites, Doubt Discussion, Bonus Information

Imp-Keywords

1. const
2. goto
3. register
4. restrict
5. inline
6. sizeof
7. extern
8. enum
9. typedef
10. union
11. volatile
12. static
13. struct

Frequently-used-Keywords

• char, int, double, auto, float, long, short
• default, switch, case, else, if, break, continue, return, do, while, for, unsigned, void, signed

Note :-

  ' ' '
  
   1 / 10 = 0 
   1 % 10 = 1 

   divisor / dividend    or    divisor % dividend 

if divisor is SMALLER than dividend then ' / ' will return 0 as output and ' % ' will return DIVISOR itself

' ' '

  examples :  2 % 3 = 2            4 / 45 = 0
              2 % 5 = 2            2 / 76 = 0

' ' '

 for( initialization ; condition ; updation )

updation can be pre or post unary operator ++i/i++ --i/i-- working will be same

' ' '

     scanf("%placeholder",&value);  
     printf("%placeholder",value);

latest compiler works even if ' & ' not placed before variable in scanf and if by mistake ' & ' is placed before variable in printf for more details link -

range for loop link - std functions list link - non std functions list -

• Main function is necessary. No program is possible without main function in c/c++ but in java it's optional and only requires during execution of program
• Main function cannot be ' void ' in c/c++ it must always return someting