I want to achieve

Is it possible to omit it when declaring it with long long int?
Please tell me because it is very annoying when hitting
To tell the truth, I've only been programming for about half a year
It would be helpful if you kindly teach me.

Corresponding source code
int main () {
    unsigned long long int a;
    cin >>a;
  • Answer # 1

    You can do it by giving it an alias with typedef

  • Answer # 2

    If there are other modifiersintCan be omitted.

    unsigned intunsigned

    long intlong

    unsigned long long intunsigned long long