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Below is my code for printing prime numbers up to a given input by user. However, my calculations are not working correctly and my output is printing twice. Any idea? :sad: #include <iostream> #include <cmath> using namespace std; void prime_num(int); int main() { cout << " Enter a number and …

I was wondering if there is a library or smt that can allow a programmer to use other foreign languages in C++. For instance i want my c++ program to display some Greek messages that i will define, but instead i get some garbage. Is there anyway to call unicodes …

Im trying to finish this calculator program, its for a writing rpg on a forum, for a post you get line count creativity rating and difficulty rating using these 3 things you use a special formula to find out the final power level, this code compiles ok, but when it …

Umm i just want to ask how to use an array and when to use them. I just cant get what my teacher is telling. Maybe someone can give me a new idea. That's all thanks :)

Hi, I need help writing a function that determines if a number is prime. It has to print all the prime numbers between 1 and 10000 this is what i have...where i put a " [U] */* [/U] " is where i need your help..... [code]#include<iostream> using std::cout; using std::endl; …

Ok, so I know lots of people have posted about how to find prime numbers up to a certain number, and I can do that, however If I wanted to output a certain number of prime numbers so that the user inputs say 6, it would out put 2, 3, …

As you may already know im working on a program that analyses a file given by the user, i want to create a word count feature. How would i go about doing this, i mean how would i distinguish what is exactly is a word and be able to incorporate …

Hello there, Okay well i have tried to do this program but i'm just not sure if i'm going in the right direction. Well i have to create a text file (Did that) which is inputed into the program, and the program has to count the instances of the following …

So, I just recently started using VC. Before I had been using DevC++, gvim, and NetBeans(for java). The reason I got into Visual C++ is because I have also begun learning to use DirectX. I used Visual C++ 6.0 starter edition for a couple months, and then just a few …

hello everoyne, I am nu 2 this so pleaz b kind. I need 2 make a program which does the factorial. But i not no how to do this. It is urgent so if you could help me i would be greatfull. God bless. i have this so far. [code]#include<iostream.h> …

Hello I'm trying to test out a random number generator to see how the distribution is and I want to write the values I get from the number generator to a file. Can someone show me in a simple code how to do that, or a good website where I …

Hello ladies and gents, Have a few questions about the following example that is given: [code] #include <iostream> #include <fstream> using namespace std; int main() { char ch; int n=0; ifstream ff("aa"); if (!ff) { cout << "Can't open file aa for input.\n"; return 1; } ofstream gg("bb"); if (!gg) …

i need to store the piglatin words returned by each function into one string so that I can then check it for lowercase or uppercase words and change as required. I can't seem to get the return 'temp' to store into a string in main. Also, when printed out, the …

hey guys, have a challenge for you guys, i am making a rpg game in c++ and need some help figurin out the creatures, and items the player will have, i know i won't get many replys to this so don't expect to get all of what i am looking …

Does anyone know if this is possible? //in header struct Output { double *var1; double *var2; double *var3; } //in main std::vector<Output> output(512); and then be able to populate each member of the Output struct in the "output" vector? Something like: for (i = 0; i < 512; i++) { …

Im adding a specialised formula to a calculator, and it uses the Ln/ln function which is often on scientific calculators, how do i get this function to work in c++? The formula is as follows: 'formula: pl * (10*diff + 10*creat +2*lines) ------------------------------------------ 150 * (Ln(pl/1.5))' Can anyone help?

In class we did a program on moving a round object up and down on a form,we finally figured it out but what i want to know is there are another way of shortening the coding instead of tesing using boolean :(

Hi, I'm trying to write a program that accepts a string (a line, sentence, or phrase) and then the program has to display the contents of that string backward. for example, if I entered "starting out" the program has to convert it to "tuo gnitrats". This is my code. But …

hi, I know it's me again. It's HW, and I'm supposed to write a program that grades an example of 20 questions. I'm supposed to store the correct answers in an array. And then ask the user to enter the student's answers for each of the 20 questions, whic should …

ok - challenge number 2: What now if i would like to input letters and the letters would be displayed as numbers? For instace i would like to input b a d and it would display me the corresponding numbers. The opposite of what Mr.Dave Sinkula (look thread:[B]Need help with …

Hi, I am developing a program in c++ and what i want to do is to assign an integer to a character. To become more specific i want to make an alphabet and assign to each letter a number. So far so good. The problem is that i want it …

hi, I'm trying to write a program that separate an array into 2 arrays, odd and even numbers. but I don't know how. can you please help? I'm stuck and don't know how to continue. This is what i have so far //this program accepts 10 integers, stores in an …

[COLOR=Black]hi, i am a newbie and i just started to learn C++. My question is , if i put a number like 45678 in [COLOR=RoyalBlue]char x[6] [/COLOR] then how do i separate each number and put it into [COLOR=RoyalBlue]int num[6][/COLOR].[/COLOR]

I have a part of code that cannot show the result as shown below: patter#1 ***** **** *** ** * pattern2 * ** *** **** ***** pattern3 ***** **** *** ** * Any idea to solve the incorrect code below: #include <iostream.h> using namespace std; int main(){ int i=0 ; …

I'm at the end of chapter 2 of Michael Dawson's Beginning C++ Game Programming. The first exercise at the end of the chapter, has me rewrite a program earlier in the chapter using enumerations. The program is just a simple choose your difficulty level. You enter a number that represents …

Hi! I paste a short sample for a subfunction of a class of mine. I get an error about the declaration of "of" and I'm not quite sure what's wrong :rolleyes: To this I would like to ask if anybody knows how can I check in a new file for …

I am just beginning to learn how to program. I'm using the "Beginning C++ Game Programming" book written by Michael Dawson. One of the programs in the book isn't working out like it should. Would this be the forum I use to get some advice on what I might be …

hi , Please take a moment to read this i am trying to write hexadecimal.cpp program for my C++ programming class but i dont know how to do it. the Project says as follows You have to design and implement a C++ program that reads numbers from a file,converts them …

Hello there, i am new at C++ and i would like to learn a few thing if you could help me. I would like to learn how to load sounds on C++. I mean having the sound file on my computer and input it on the exe program i create …

Hi all! I am getting compile errors when it is Linking. --------------------Configuration: CIRCLE - Win32 Debug-------------------- Compiling... circle.cpp Linking... LIBCD.lib(wincrt0.obj) : error LNK2001: unresolved external symbol _WinMain@16 Debug/CIRCLE.exe : fatal error LNK1120: 1 unresolved externals Error executing link.exe. CIRCLE.exe - 2 error(s), 0 warning(s) [code]# include <iostream.h> class CCircle { …