General C++ Programming - C++ Forum

Drawing a diamond within a circle, gets unexpected spacing after each character

Hello everyone, I am still fairly a beginner in C++, having only around 5 months of experience. This is actually a 3-part-question-assignment where I am first n...

[2 replies] Last: @Necip // #include <math.h> // C maths header #include <cmath> // C... (by TheIdeasMan)

by BrowserUk

vector of maps

Hi, What am I doing wrong here? #include <vector> #include <map> using namespace std; int main() { vector< map< int, double>* > M; M.resize( 10 ); ...

[10 replies] Last: for( int i=0; i < MM.size(); i++ ) Y[ i ] = 0; What's that for? Th... (by BrowserUk)

by monkeylife752

Help with arrays Please

/end

[2 replies] Last: Double post: http://www.cplusplus.com/forum/beginner/191885/ (by chicofeo)

by Apple1234

Linked lists

This is my code: #include <iostream> using namespace std; struct node { int data; node* next; }; void print (node* current) { while(current...

[no replies]

by Apple1234

Linked lists

I'm trying to insert a node in a sorted linked list. but my code is not working, it continuously keeps printing 3. #include <iostream> using namespace st...

[no replies]

by ProgrammerXYZ

Average Population Calculation Program

I need to write a program that sums and calculates the average for the data that is contained in the file. Write a program that asks the user for the input ...

[no replies]

by Pranciskus

sound in c++

voice.o(.text+0x16e):voice.cpp: undefined reference to `waveInOpen@24' voice.o(.text+0x1b8):voice.cpp: undefined reference to `waveInPrepareHeader@12' voice.o...

[4 replies] Last: If using g++, get rid of that #pragma - there should be a compiler war... (by Chervil)

by zerd12

problem in template

Hi all. This template is to add adjacent numbers, but my problem is that the output numbers that come out are "5 7 9 11 6" but I need the output to be with the...

[1 reply] : template < typename In, typename Out > Out plus_adj( In first, In las... (by JLBorges)

by diane534

math tutor program

Can't figure out the error. The program runs well when I select an option from the menu and answer the problem and it displays whether is correct or not, but th...

[1 reply] : Next time please use the code tags and properly format your code. It m... (by Arslan7041)

by Alex A

Calling a fucntion and Passing a structure + other parameters

Hi guys, I'm having issues passing structure name (student) when calling function countValues. I would like to pass structure student + resArray so I can assi...

[2 replies] Last: AbstractionAnon, thank you so much, i was having so much trouble fin... (by Alex A)

by Rajkumar MCA

Explain about __packed__ in structure

typedef __packed__ struct { unsigned long var1; //4Bytes; var1=0x01234567 unsigned long long var2; //8Bytes; var2=0x1122334455667788 unsigned char var3; //1...

[1 reply] : __packed__ is an implementation specific compiler directive. When st... (by AbstractionAnon)

by gedamial

cout prevents the program from crashing?

Hello. Look at here int main() { std::vector<string> result; char delim = ','; int lastPos = 0; string my = "Hello,I,Am,Michael"; int tpos; do { ...

[7 replies] Last: `string::find()' returns a size_t, not an int and it returns string::... (by gedamial)

by Pranciskus

Maybe somebody knows c++ lists?

Maybe somebody knows where to get c++ pdfs with definitions of functions, parameters and etc.? Be very Thankful.

[3 replies] Last: thank you NoXzema. I wonder I couldnt find it myself. (by Pranciskus)

by DeathLeap

Check if palindrome

Hello guys, I wrote a program that checks if text is palindrome. I personally think it could be shorter than this (lines of code). How can I make this pr...

[2 replies] Last: #include <iostream> #include <cctype> #include <algorithm> #include <... (by JLBorges)

by simani

how can I correct this code that proves whether a number is prime or not?

Hi, I want to write a code which defines whether a number is prime or not. Also, ask me if I want to continue for entering next number. Below is my code. I run...

[2 replies] Last: To give you an idea: #include <iostream> //Function Prototypes. vo... (by chicofeo)

by glennjasper0

Help how to print ROOT, PARENT, SIBLING, LEAF, LEVEL, HEIGHT, DEGREE, ANCESTOR OF THIS TREE

#include <iostream> #include <cstdlib> using namespace std; class BinarySearchTree { private: struct tree_node { tree_n...

[no replies]

by Alex A

Write a no (zero) argument constructor which initializes the member variables

HI guys, I Wrote a no (zero) argument constructor which initializes the following member variables from structure student to. • name to an empty string •...

[2 replies] Last: Moschops, thanks for making things more clear. (by Alex A)

by smgupte99

Which is a better C++ class design?

I have two classes which resemble the following. class Hand { public: func1(); func2(); ... func20(); private: Hand(); ~Hand(); Hand(const Hand&...

[1 reply] : I wrote about a simple database structure modell in this thread http... (by closed account 48bpfSEw)

by Pranciskus

Close errors

383: error: too many arguments to function `void close()' 384: error: at this point in file if (connect(sockfd, (struct sockaddr *)&dest_addr,sizeof(des...

[6 replies] Last: I solved it. Thanks for effort. I appreciate that. (by Pranciskus)

by min1112

How to sort the whole linked list using merge sort?

Hi everyone. I met some problems when I want to sort the linked list using merger sort.My linkedlist contains 4 parts which are data,type,address,next. I want t...

[1 reply] : Please give us the hole runable code with formation and detailed infor... (by closed account 48bpfSEw)

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General C++ Programming - May 2016 (Page 2)