49,766 Topics
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| | I'm a starter in C++. Can someone explain the output of this program ? # include <iostream> using namespace std ; void number ( int a) { if( a < 0 ) return ; else { cout<< a <<" "; number(a - 1); cout<< a << " "; } } … |
| | alignas (since C++11) alignof (since C++11) and and_eq asm auto(1) bitand bitor bool break case catch char char16_t(since C++11) char32_t(since C++11) class compl const constexpr(since C++11) const_cast continue decltype(since C++11) default(1) delete(1) do double dynamic_cast else enum explicit export extern false float for friend goto if inline int long mutable …  |
| | Is method B any faster than method A below? I have legacy code written with method A and I need to know if there would be a performance increase if I modified it to use method B or is it just semantics? **Method A (Using pointer)** for(vector<TriggerAlgorithm*>::iterator it = _pTrigs.begin(); … |
| | so i decided to try sfml, and i used the sample from the website to see if its working. heres the code //////////////////////////////////////////////////////////// // Headers //////////////////////////////////////////////////////////// #include <SFML/Window.hpp> //////////////////////////////////////////////////////////// /// Entry point of application /// /// \return Application exit code /// //////////////////////////////////////////////////////////// int main() { // Create the main window …  |
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| | Write an application that prints a summary report for a poultry farm. The farm has seven (7) chicken coups each numbered 1 to 7. When a farmer collects eggs each morning and evening, he records the coup number and the number of eggs collected from the coup. The data for …  |
| | Hi All, I am implementing a recursive registry delete using RegOpenKeyEx, RegDeleteKey and RegEnumKey. **Problem::** Though the code works perfectly fine for Vista x86/x64 and Win 7 x86/x64 but fails on XP for some keys in HKCR **Problem Area::** HKCR\Installer\SomeKey **Error Code::** 87 (INVALID_PARAMETER) **Weird Behaviour::** Deletes the key the … |
| | Hi everyone, I am a student,quite new to C++. I am working on my thesis right now. Here is my situation, I have an algorithm for my thesis topic and I tried making an example of this in C++ and it works fine with a console application. But I am … |
| | So I need to write a program where the user tries to guess a magic number. The only thing that I do not know how to do is set the max. amount of guesses to 5. This is what I have so far. Can someone please show me how to …  |
| | I need help to write this program. I dont understand how to do a+bi. Please Help Thank You. |
| | So i'm having troubles writing the codes for the following exercise - Write a C++ program that does the following. 1. Asks the user to enter some positive integers. 2. Reads the positive integers from the user. 3. Stops reading the positive integers once a non-positive integer is entered. 4. … |
| | Hi everyone! I wanted to ask you guys a question. I was referred to this website by a friend of mine and I synced this account with my Facebook. I am new to computer programming, but I understand the beginning basics of C++ (i.e. cin, cout, void, float, vector, functions, … |
| | So Ive googled this error but I cant find an explanation of why this is happening in my code.. Error: g++ -o code code.cpp code.cpp:8:17: error: too many decimal points in number code.cpp:8:43: error: too many decimal points in number code.cpp:1:1: error: expected unqualified-id before '<' token make: *** [code] … |
| | So I'm just getting started in C++ and need some help. I want to right a program that inputs a number as n and then outputs digits 0-9 based on n. Also each row adds one more number until the last number is the number of digits of n. For … |
| | I asked my professor for help and we came to the conclusion to add void credit and void debit yet im still having compiling error. //Account.h #ifndef ACCOUNT_H #define ACCOUNT_H class Account { public: Account( double ); // constructor initializes balance /* Write a function prototype for virtual function credit …  |
| | this is a very simple RPS game and i ran into a prob. heres the code #include <iostream> // for cout/cin #include <cstdlib> // for rand/srand #include <ctime> // for time #include <cctype> // for case conversion using namespace std; char rps; char ai; char redo = 'Y'; // all …  |
 | Write a simple program to prompt the user to key in x and n value to calculate the result for the following formula: Result = 1+2!/((x-2))-3!/((x-3))+4!/((x-4) )- … n!/((x-n)) ------------------------------------------------------------------------------------------------------------- Note: x value must be greater than n value. i need help for C++ programming class work thanks a lot |
 | Hello, I was wondering how to make the windows explorer popups that many programs use. I want the one that browses files to either open or save a file rather than requiring the user to blindly type the filename. |
| | #include<iostream> using namespace std; float input() { float inches; float feet; cin>>inches; cin>>feet; }; float calculate(float inches, float feet) { float cm; float meters; cm=2.54*inches; meters=feet*.3048; }; float output(float meters,float cm) { cout<<"The feet to meters="<<meters<<endl; cout<<"The inches to cm="<<cm<<endl; }; void main() { float input(); float calulate(); float output(); … |
 | [Pictures](http://s10.postimage.org/v28zknfu1/Untitled5.png) I googled and found the solution [Solution](http://stackoverflow.com/questions/4702732/the-program-cant-start-because-libgcc-s-dw2-1-dll-is-missing) but I'm nub sooo, what is compiler flag? how to set it up? there multiple choice, so where should I start? Or should I just switch to IDE(Code::Blocks), the C++ Primer recommend me to use command-line interface compiler and compile it 'manually'. … |
| | I have a class orders which has its instanced stored in a QMap/Map and has a Key:int, value:order pattern. Everything went fine until I started iterating through the map and accessing the functions of the class.First I was trying to print out the order objects values using it's getter methods … |
| | i want to know how to read all the message inside the file including their spacing,indents if possible using File Handling... can that be done? content of data1.txt: First Name: (TAB)John Doe Last name:(TAB) Manly Height:(TAB) 5'7 Weight:(TAB)164 kls Address:(TAB)Somewhere but here, (TAB)but not to far City. here is my … |
| | Hello, I need to write a program that takes a string and reverses it via pointers. I have a function called Reverse and what it does is take to pointers (*front and rear*) and intializes them to the front and back of the char array respectively. Then what it does … |
| | Here is my complete code. I have really tried everything but couldn't understand where i am going wrong. There is NO ERROR in compilation but the output does take in the elements and output is not being generated. My compiler is Borland 5.2 #include <iostream> #include <conio> class ListStack { …  |
| | Hello there, I am new to C++. I have a task from school to make simple sorting program using Insertion Sort with a linked list. I would like to have comment, feedback, and correction of my code below. #include <iostream> using namespace std; struct Sort{ int value; Sort *next; // … |
 | I would like to know if this is a correct way to call and define a function for my program #include <iostream> #include <cmath> using namespace std; int math(double a, double b, double c); int main( ) { int math; char a,b,c; math = a + b + c; return … |
| | i need help,, i have a text file like this below Line 1 Line 2 Line 3 my question, how to readfile from that txt line by line using Win32 API and output to console... can anyone help me,, i'm very new in c++ Thanks |
| | so i made this program with a function call and definition and i keep having problems with the call function and i get error C2059: syntax error : 'return' when i build my program. #include <iostream> #include <cmath> #include <iomanip> using namespace std; int math (double cartons, double totalcost, double … |
| | Nothing bothers Bob more than when taller people stand up in front and block his view at sporting events. It bothers him so much, that he has developed a measure for the displeasure that a crowd feels because of this phenomenon. Most days, he calls his measure the Index of … |
| | so i was bored and decided to make a dice simulator, and i ran into a error. heres the code #include <iostream> #include <ctime> #include <cstdlib> using namespace std; int total[12]; int dice1; int dice2; int aitotal[12]; int aidice1; int aidice2; void Roll(){ srand(time(0)); dice1 = 1+ (rand() %6); dice2 … |
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