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by YoungProg19
Fibonacci Sequence
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| I recently got a hw assignment to create a program that calculates Fibonacci Sequence using a function. I've had problems with passing paremeters in the past so... |
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Apr 30, 2020 at 9:17pm
[8 replies] Last: Never mind I figured it out. Thanks for all the help! (by YoungProg19)
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by naveen1234
Compilation Error in using async with templates
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| I am trying to create a new thread with a recursive function call to the function itself: std::async(std::launch::async, &CQSort<typename T>::qSort1, arr... |
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Apr 30, 2020 at 4:28pm
[1 reply] : This compiles and runs. I'm not sure it's entirely correct, though. No... (by dutch)
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by google13
I need help with this program--creating classes
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| Create a class called Robot (living in a 2-dimensional city of streets and avenues) with the following characteristics: string cityName int ... |
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Apr 30, 2020 at 3:48pm
[4 replies] Last: Does it follow that if you go far enough South-East there's just a rea... (by helios)
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by mermaidly
Loop for fraction matrix
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| Hey. How do I build a matrix by rows and columns, and the values must consist of fractions (asks for each numerator and denominator)? There are errors in the co... |
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Apr 30, 2020 at 1:26pm
[1 reply] : Duplicate post: http://www.cplusplus.com/forum/beginner/270036/ (by deleted account xyzzy)
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by QueenJJ
errors
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| I have this question in one of my assignments but I am not sure how to do it. ostream& operator<<(ostream& out, const vec& v) { out << "Vec of size: " <... |
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Apr 29, 2020 at 6:05pm
[2 replies] Last: You have to cook up the answer, as c++ is not aware of significant dig... (by jonnin)
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by QueenJJ
Out of bounds
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| For this question in an assignment I have float vec::operator (const int i) const { return mem ; } Write a version of this access operator which r... |
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Apr 29, 2020 at 2:15pm
[3 replies] Last: float vec::operator (const unsigned int i) const //unsigned, unless yo... (by jonnin)
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by PoorBoiz
Print out each element from a node in binary tree by using format of output
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| I have a question about a node in a binary tree. I saw some tutorials about this topic on the Internet. But the tutorial is quite simple. So I don't know how to... |
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Apr 29, 2020 at 1:40pm
[3 replies] Last: 1. Why not just make general, sound and disp contained members of Set... (by doug4)
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by Leen0093
Can anyone have a look see what might be wrong with my code?
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| My goal is to do a program to predict credit rating using a decision tree. My program should compile as the following: $ make creditrating $ ./creditrati... |
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Apr 29, 2020 at 1:33pm
[3 replies] Last: Yes. actually refer to files (named train0x, test0x) that contain t... (by Leen0093)
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by cdl99
Program reports number of characters to make shape
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| Hello, first time here. I have a program that creates a half pyramid shape using the "*" symbol. The number of rows the pyramid has is determined by the user. C... |
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Apr 29, 2020 at 12:24pm
[9 replies] Last: Ah yes, you're correct! I got the OP question wrong xD (by malibor)
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by icecody12
Character choosing
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| I am having a problem with implementing the choosing of the character with the rest of my code. Instead of being able to choose a character from 1-4 and doing a... |
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Apr 28, 2020 at 11:39pm
[4 replies] Last: C++ is not Java. In general, don't explicitly call destructors. In g... (by mbozzi)
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by urundead
malloc(): corrupted top size. Aborted (core dumped)
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| I am simply opening a file inside a function. I really have no idea what could cause such a problem #include "encoder.h" void Encoder::Netpbm(unsigned int Ma... |
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Apr 28, 2020 at 11:21pm
[6 replies] Last: dutch ->Worked like a charm! Also very good suggestions, I will take t... (by urundead)
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by adam2016
log N time complexity of a graph
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| ( Graph / Union find) Hi guys, I'm studying a course on algorithms, the proposition is prove that any node x's depth is at most log(base 2) N let's take the... |
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Apr 28, 2020 at 10:41pm
[19 replies] Last: I think N is the size the of the tree. the problem is that they're ... (by dhayden)
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by urundead
"Shortcut" a command
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| I have something like this: class RGBMatrix{ int Matrix ; //STUFF } I want to be able, if possible, to access the RGBMatrix elements like this: RGBM... |
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Apr 28, 2020 at 8:51pm
[3 replies] Last: Thank you for the quick replays! (by urundead)
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by icecody12
Void function reset
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| Is there a way to set up a reset code using void to jump back up in place after a certain line of code is implemented? I was going to use GoTo, however, that is... |
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Apr 28, 2020 at 7:48pm
[3 replies] Last: "continue" (by TheToaster)
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by zakinithos
Derived class member function not being called (1,2)
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| So I posted a very similar question previously about this, but a fix that worked at the time has not stopped the same issue resurfacing in a different part of t... |
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Apr 28, 2020 at 6:07pm
[24 replies] Last: Oh man thank you so much!! I never would have got this otherwise (by zakinithos)
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by jakerg777
How to display two decimals places in the final result?
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| How do I make the final result display two decimal places? (since I am working with money.) and if there is no decimal I need .00 #include <iostream> #incl... |
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Apr 28, 2020 at 5:02pm
[1 reply] : Don't double post: http://cplusplus.com/forum/general/269977/ And don... (by Ganado)
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by lola124
HELP!
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| so I was given an input file where they gave me the following information #ofentries fruitname:color, length, width, vitamins\n. I need to run a program that ... |
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Apr 28, 2020 at 4:52pm
[1 reply] : https://www.cplusplus.com/reference/istream/istream/getline/ to read e... (by salem c)
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by Scarletpimp
how to force derived class to implement virtual functions of another class
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| class A { Public: virtual void A1() = 0; virtual void A2() = 0; } class B { public: virtual void B1() = 0; virtual void B2() = 0; } ... |
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Apr 28, 2020 at 4:36pm
[3 replies] Last: Thanks for the help (by Scarletpimp)
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by rdunnion
Decrease int value in member function
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| I am trying to build a dungeon crawler type game. I have figured out movement, and damage from attacks and traps. I have a variable 'health' that I initialize t... |
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Apr 28, 2020 at 3:55pm
[10 replies] Last: @Ganado, it was the Buddha who spoke first about the middle way. (by thmm)
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by muhammed1212
pls urgent
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| 3- Write the program that finds whether the number entered on the keyboard is missing or not. (The missing number is the number whose divisors are smaller tha... |
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Apr 28, 2020 at 3:30pm
[1 reply] : You need a better translator. Try deficient number https://en.wikipe... (by lastchance)
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