Confusion in problem

#1

how can we do this question without the usage of ASCII codes?
I am thinking of isupper() but its root functionality is also via ascii values only. Please help

#2

hi @yaheyafarooqui_8319591c036ff6e9
u can do it like this -->

#include <iostream>
using namespace std;
int main() {
    char ch;
    cin>>ch;
    if(ch >= 'a' && ch <= 'z'){
        cout<<"L";
    }
    else if(ch >= 'A' && ch <= 'Z'){
        cout<<"U";
    }
    else{
        cout<<"I";
    }
}
#3

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#4

cool, this solution stems from the similar logic as the ASCII values one. I thought it will have a different workaround. Anyways, thanks