I'm trying to get my way on LLVM currently.

> Actually, do you know of any compiler targeting arm7thumb (TDMI) with elf format? Then you shouldn't ask for "any" compiler :)

Everyone please this is urgent. I was working on an assignment and I realized that doing subtraction on unsigned integers work a bit strange. Please will anyone give me a quick tutorial on how unsigned integer subtraction works?

The subtraction is the same, just that your number cannot be negative, I'm not sure what confused you?

unsigned int gcd (unsigned int a, unsigned int b) { if (a == 0 && b == 0) b = 1; else if (b == 0) b = a; else if (a != 0) while (a != b) if (a < b) b -= a; else a -= b; return b; }

The subtraction is the same, just that your number cannot be negative, I'm not sure what confused you?

This code is meant to implement Euclidean algorithm to find the highest common divisor and using only unsigned integers, subtracting larger values from smaller values either result in a 1 or some other positive number.

I do not see why are you surprised about that, just use signed integers

I do not see why are you surprised about that, just use signed integers

I do not see why are you surprised about that, just use signed integers

Just realized the while loop. Being working the whole day on my assignments that I am constantly missing out on small details in my assignment as I am very tired.

Get some rest brah, otherwise you will just keep getting stuck like that

How to write a compare function for this

Look the docs at cppreference.com

In this they're no where explaining passing own comparators

comp - binary predicate which returns ​true if the first argument is less than (i.e. is ordered before) the second. The signature of the predicate function should be equivalent to the following: bool pred(const Type1 &a, const Type2 &b); https://en.cppreference.com/w/cpp/algorithm/lower_bound

24. Which of the following statement shows the correct implementation ¢ of nested conditional operation by finding greatest and smallest number out of three numbers? (A) a>b?a>c?a:c:b>c?b:c; and a>b?a>c?a:c:c>b? b:c; (B) b>a?a>c?a:c:b>c?b:c; and c>a?a>b?a:c:b>c?b:c; (C) a>b?c>a? a:c:b>c?b:c; and b>a?c>a?a:c:c>b?b:c; (D) a>b?a>c?a:c:b>c?b:c; and b>a? c>a?a:c:b>c?b:c;

24. Which of the following statement shows the correct implementation ¢ of nested conditional operation by finding greatest and smallest number out of three numbers? (A) a>b?a>c?a:c:b>c?b:c; and a>b?a>c?a:c:c>b? b:c; (B) b>a?a>c?a:c:b>c?b:c; and c>a?a>b?a:c:b>c?b:c; (C) a>b?c>a? a:c:b>c?b:c; and b>a?c>a?a:c:c>b?b:c; (D) a>b?a>c?a:c:b>c?b:c; and b>a? c>a?a:c:b>c?b:c;

24. Which of the following statement shows the correct implementation ¢ of nested conditional operation by finding greatest and smallest number out of three numbers? (A) a>b?a>c?a:c:b>c?b:c; and a>b?a>c?a:c:c>b? b:c; (B) b>a?a>c?a:c:b>c?b:c; and c>a?a>b?a:c:b>c?b:c; (C) a>b?c>a? a:c:b>c?b:c; and b>a?c>a?a:c:c>b?b:c; (D) a>b?a>c?a:c:b>c?b:c; and b>a? c>a?a:c:b>c?b:c;

string s = "ccoooooding"; s[1] = '\0'; cout << s << endl; Output: coooooding why it's printing the whole string?? this trick works work char array why not for strings?

because std::string 's are not terminated by \0 but have a length, replacing any char does not change the length of the string

but it works here string s = "123\0bc"; cout << s; output: 123 here it is working

yes, because you assign from a string literal, this is invoking constructor (5) Constructs the string with the contents initialized with a copy of the null-terminated character string pointed to by s. The length of the string is determined by the first null character. https://en.cppreference.com/w/cpp/string/basic_string/basic_string

sorry, didn't get the point .. can u explain a bit more

sorry, didn't get the point .. can u explain a bit more

std::string is a class it has its own operator<< definition, it resolves it differently than char*

yeah but why two different behaviour?? string s = "abcd"; s[1] = '\0'; cout << s << endl; here it is printing: acd and string s = "123\0bc"; cout << s; here it is printing 123

yeah but why two different behaviour?? string s = "abcd"; s[1] = '\0'; cout << s << endl; here it is printing: acd and string s = "123\0bc"; cout << s; here it is printing 123

As stated above Constructs the string with the contents initialized with a copy of the null-terminated character string pointed to by s. The length of the string is determined by the first null character.

ok got it.. Thanks ✌

std::string s = "123\0bc"; is basically the same as std::string s("123\0bc", strlen("123\0bc")); Which copies the number of chars (second argument) from the first argument. If you want to include the whole string you need to use std::string s("123\0bc", 6); ————- Just imagine for a second the behavior would be different.. how would std::string know when a string literal ends? Unless you specify the size it will only copy until the first \0 because it cannot know there might be a second one and probing for it might be undefined.

yeah but why two different behaviour?? string s = "abcd"; s[1] = '\0'; cout << s << endl; here it is printing: acd and string s = "123\0bc"; cout << s; here it is printing 123

Do we have any group for competitive programming discussion?

How can I store full names e.g. Carl Peters... in an array using fgets in C

Yes, but not this one.

Where? How can I join? I need to prepare for my interview, need a good group to get doubt cleared

I can't post a link for another group in this group, you can use search and you'll get the list...

I have exam in OOPs in c++, how to get started, what should I learn first

Oops- object oriented programming?

I have exam in OOPs in c++, how to get started, what should I learn first

Here, I googled this for you https://www.google.com/amp/s/www.geeksforgeeks.org/object-oriented-programming-in-cpp/amp/

Should I learn C before I learn for oops with c++

Should I learn C before I learn for oops with c++

Should I learn C before I learn for oops with c++

how to ask question then??