Beginners - C++ Forum - June 2017 (Page 10)

Hello, I am trying to read a file and take the average of the sum of grades and display the average. I am able to do that just fine, but I am just trying to fig...

[1 reply] : std::ios::fail() isn't really used for what you think it's used for,... (by xismn)

by ExSanity

/MT causing unresolved externals.

So I am attempting to redistribute my program, yet I am met with 'Missing VCRUNTIME140.dll', but that's no issue just use '/MT' right? Well, I tried that and no...

[3 replies] Last: Ah okay. I will try that thank you! Edit: All compiled correctly afte... (by ExSanity)

by masterinex

how to use cin.ignore

if the user types in a letter for id2 , the first getline will fall through (it will be empty), i thought i would have taken care of that by using cin....

[3 replies] Last: All read operations (including ignore) will fail automatically if an e... (by Peter87)

by darje

sort linked List

lets says i have 5 elements in the linked list 3->1->4->2->7; i want after calling sort method its will become something like 1-->2->3->4->7 without the inser...

[2 replies] Last: hey Handy Thanks for the help mate i will try tomorow morning to work... (by darje)

by Ephan

Nested for loop and if conditional, to draw a pattern ??

Hi c++ lovers :) This code that contains nested for loops and if conditional made sense to me to half way through. When you take a look at the outcome, I unde...

[4 replies] Last: Hi coder777. Both the codes you provided make things really clear an... (by Ephan)

by somefight

how to reply

Write your question here.

[1 reply] : Hello somefight, Welcome to the forum. If you have not read these yet... (by Handy Andy)

by DreadnoughtXIII

.eof() confusion

Hi, I am having a bit of confusion understanding the full extent to which I can use the .eof() function from the iostream library. Can this function be used...

[8 replies] Last: This is why I'm asking https://www.hackerrank.com/challenges/30-di... (by gunnerfunner)

by idknuttin

What is the proper way of declaring the copy assignment?

I just took a class in c++ and one of the things we learned how to do was create classes, throughout the semester we were always declaring the copy assignment w...

[5 replies] Last: It means that it returns a const reference. That prevents you from do... (by dhayden)

by ChocoG

Calculate with pointers?

Hello, I want to create a little program... As first it should save the current Mouse position. Then it should save it again after some seconds but this time i...

[3 replies] Last: What is the type of _calcPlayer and _calcEnemy ? What does the GetC... (by keskiverto)

by Ma92

struct

Aslam u alikum , this code has logical error , i declared two structures name st1 st2 i copy st1 to st2 after writing st1=st2 i tried to print values using st...

[2 replies] Last: thanks jib (by Ma92)

by keh k lenge

Constructor cannot be defaulted

Node.h #ifndef NODE_H #define NODE_H template <class someType> class Node{ private: someType data; Node* next; public: ~Node(); Node(...

[5 replies] Last: [quote=jib]In the code supplied you don't need to use either the = def... (by Peter87)

by keh k lenge

Function arguments

How to write a function that will accept an argument of any c++ type but not any user defined type. Even if we succeed in doing so, how to know what type has be...

[1 reply] : Also if I want only specific type example like only int, string and s... (by mbozzi)

by arielselbach

Infix to Posfix

Hello. Can someone help me with my code. Inserting the infix expression "2 + (3 + (4 + (5 + (6 + (7 + 8))))" it gives error in the initial part in which convers...

[no replies]

by jlb

Class

Look at this snippet: Fraction::Fraction Add(Fraction otherFraction) { ... int Fraction::LCM(int a, int b) { ... Fraction Fraction::Reciprocal() { ... Do y...

[1 reply] : Here is the original code for future reference. //Header File <fract... (by jlb)

by cjelin

return value

I am very new to the programming world. I am really stumped on this one. I need this code to return the billing amount. I'm sure it is something super simple, b...

[3 replies] Last: That fixed the issue! Thank you so much!! (by cjelin)

by blahblah123

ifstream and ofstream - EOF while loop

I've been confused on how to use ifstream an ofstream correctly. I'm not completely sure how to write a program that reads the first row of a text file and tha...

[1 reply] : Take a look at this tutorial: http://www.cplusplus.com/doc/tutorial/fi... (by chicofeo)

by Bicubo

How do I use a function's return value?

I have been trying to get a return value from my logic function in my Ticktacktoe program. I just can't figure out how to return and check returned values prope...

[1 reply] : IMO, your functions are doing too much. Each function should do a litt... (by jlb)

by Fumagalli

Iterator and map

Hi guys , I've a map : map<string,Question> mapQuest; In which Question is a class defined in this way : public: Question(){}; Question( ...

[1 reply] : The map elements are stored in std::pair. http://www.cplusplus.com/ref... (by Peter87)

by surfersss

Understanding pass pointer to pointer by reference in c

void func(char *ptr) //Passed by reference { *ptr = 'B'; } int main() { char *ptr; ptr = (char *) malloc(sizeof(char) * 1); *pt...

[1 reply] : The pointer is passed by value. The function doesn't modify the pointe... (by Peter87)

by Snow14

Arrays

Hi everyone i hope that you are doing well i have a question please about the arrays, i gave each case in the array a price for a specific item, later on i sug...

[5 replies] Last: Hello Snow14, i want to print before the total something like : (tot... (by Handy Andy)

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Beginners - June 2017 (Page 10)