51,593 Topics
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| | I am new to C++ programming and I'm having a little trouble. I have to create a program that lets the user enter the loan amount and loan period in number of years and displays the monthly and total payments for each interest rate starting from 5% to 8%, with … |
| | Hello, forum :) Does anyone know a c++ code that performs the same actions as a "tee" command does in linux? Basically what the tee command does is read an input from an input stream and directs it to two places: 1) Displays the input stream on the screen 2) … |
| | Okay. I have a program I am writing similar to the lottery, my input file provides 10 combinations and my rand() produces 5 random numbers which I want to compare them against using binary and linear search. I know how to compare them 1 number at a time, but don't … |
| | OK im not sure if this is a programming or pc problem but please read on ok i made a program to display playing cards in random locations using cards.dll just for a bit of fun but on my main PC which has 2.19 GHZ processor and 1 GB ram … |
 | Hi i am a total beginner and studying for a FD degree in C++. My assignment states Assignment Details a telephone company requires a program to calculate call charges for their customers. The regular charge rate for long distance phone calls is £1.50 for the first 3 minutes (or part … |
| | Ok....so here is my problem. I want to release a library where with my dllInjection class, whenever the user instantiates an object, it will automatically perform the injection for the user. The only arguments they need to provide will be the processName, and dllName. Anyways my question is, i understand …  |
| | I cant display a board for some reason I added a catch statemnt but there is something wrong with the if statment inside the for loop but i dont what is wrong thugh with the if else statement. [CODE]#include <iostream> #include <fstream> #include <string> using namespace std; const int size … |
| | [B]Problem:[/B] Write a program which reads a stream of integers from a file and stores them in an array. The array is then analyzed to compute the average of all the values in the array and all of the values that are above the average should be printed out to … |
| | hi to al i was doin some programming till i encountered this problem in the followin code... i am nt able to find anythn wrong with the code bt it's nt showing the right result. #include<iostream> #include<conio.h> using namespace std; class person { char* name; public: void get() { cout<<"enter … |
| | I wrote small proggy..and I dunno why it doesnt work...can you help me? [CODE] #include <string.h> #include <stdlib.h> #include <iostream> #include <fstream> #include <iomanip> #include <string> #include <cstdlib> #include <sstream> #include <iostream> using namespace std; int main() { string option[] = {"option1.txt","option2.txt","option3.txt","option4.txt"}; string token; string filename_token; string line,filename,filename1,c0,c1,c2,c3,c4,c5,c6; int i=4; … |
| | I don't understand why my code crashes when the variable "dicerolls" exceeds 15 [CODE]#include <iostream> #include <fstream> #include <string> #include <stdlib.h> #include <iomanip> using namespace std; int main() { string a_or_b; string aorbreverse; unsigned short int dicerolls; string y_or_n; double ab = 0.5; double aa = 0.5; double ba = … |
| | Given positive intergers a and b, find their greatest common divisor, their least common multiple and intergers s and t such that sa + tb = gcd(a,b)[CODE][/CODE] |
| | Hello, my name is Jonathan and I am a beginner programmer in my first year of studies. I am using a Turbo C++ editor and I'm trying to set up graphics. The problem is I'm not sure how. Here's how i was taught to set up graphics: #include <graphics.h> int … |
| | I'm new to programming (only 4th week) and i am supposed to try and create a program that will... well ill just post what it wants as its alot. I'm just not sure how to get started on this as im drawing a blank on what to do. it is … |
| | Hi, I wounder if anyone can help me start a program which takes "USER INPUT" for any 10 numbers and then print them in reverse order using arrays what should I need to do to get started with this. Please help. Thanks, Maverick |
| | Hi guys :) I'm stuck with same compiler messages since yesterday, and thought it might be helpful to aks for help :) The prog I'm developing is relatively big, so I'll post just snippets in order to describe what I'm doing. So, I have a class with a few subclasses. … |
| | I have read a file to an array successfully. However, when I attempt to pass the array to the function calcAvg(calculate average) and return the average, I get a zero. //Function prototype double calcAvg(double [], int); //Function call calcAvg(score,SIZE); I set a variable called score_length (in main) to get the …  |
| | For lines 23 and 22 it says "you cannot assign to a variable that is constant." anyone know how to fix this? thanks in advanced, bookmark. [CODE]#include <iostream> #include <string> #include <algorithm> using namespace std; void print (const string & s); string reverse(const string & s); int main(){ print("blah"); reverse("blah"); … |
| | Hi I'm asked to write two functions to find the factorial one using recursion and the other using loops. the range of numbers which if have to output their factorials is 1 to 500(N) after some time the computer won't be able to find the factorial .I have to output … |
| | Here's an assigment I was just emailed. After being ill for some time with mono I've been forced to teach myself the material. I have no idea what this assignment is asking for. "You are to write a program that reads in one integer first indicating the digits in length …  |
| | I've gotten stuck on my assignment. The compiler says that the code is fine, but the program doesn't work properly. [CODE]#include <iostream> #include <iomanip> #include <fstream> using namespace std; void display_days (int []); void total_days (int []); void average_days (int []); void maximum_days (int []); void minimum_days (int []); int … |
| | hie guys I am creaating a program employee data base its a simple c++ program tht should allow a user to input employee details view search edit and delete......now the prblem am having is i want to creat a function that will give an employee a num when entered i … |
| | im curious if there is any type of standard....or if anyone could help explain what all should be placed in .H files? (prototypes/etc) -thx |
| | This is my first post and I am just starting with arrays, but I am still stuck on how this function is suppose to work. I had to make two void functions and two-value returning functions. Main should call the getTestScores and get three test scores, then it should call … |
| | i need answer for my asingment,please.....please using two dimentional arrays, write a function which multiplies an mxn matrix of integers by an nxr matrix of integers. Use global constant declarations before the main program to give test values for m,n and r, example input/output mingh be INPUT FIRST (2x2) MATRIX: …  |
| | Hi, I compiled the sample provided by Microsoft which created 3 files. Those are instlsp.exe, nonifslsp.dll, ifslsp.dll. So I installed it with instlsp.exe -i -o 1002 -o 1003 -o 1004 -n "Foobar" -d nonifslsp.dll Well its installed perfectly. But when now I tried open any web page, not opening. 1) … |
| | This program is to calculate the average, high and low score of a series of use inputs. The output I am getting is high, low, average, high, low. I have no idea why or how this can happen. Side note, I am aware the coding isn't very good but the … |
| | Hi all. I am trying to create a function to check if a string is a pangram or not. I think I have good start on it, but I can't figure out how to check if the characters in the string are unique. I have to do this recursively with … |
| | Hi all! I would like to get more hands on programming for the languages I currently know: C Java C++ (studying now) The best way I figured is to join open source project and try to contribute. One place I found is SourceForge but I was wondering if any one …  |
| | Hey all. Working on a Binary Tree of "N-order". For some reason I'm getting a fatal error while trying to compile my code. Let me know if you have any idea of what could be wrong, thanks. I'm actually trying to model this off an implementation written in Java: [url]http://koders.com/java/fidAB3BF22D2F6F383D797E598C79B9DE16C02ECF9A.aspx?s=tree#L1[/url] … |
| | Hi.. i am totally lost with this random 20x70 maze generator i have to create. can some one give me some insight on how im supposed to start this? i know i use 2 for loops but my question is.. how do i create the actual blank space maze pattern. |
| | I have this assignemt to make a double link list for a student database. I have tried to make it in single link list so that i can understand the implementation. the problem is that i can't make it a double link list :S i am so confused! plz someone … |
| | ok guys need some help, I'm sure the answer is simple but i'm making a program for an assignement that models points in a cartesian plane and prints them out this is what i have so far in main [CODE]#include "point.h" #include <iostream> #include <string> #include <fstream> //for ifstream,ofstream #include … |
| | I am trying to write a program that does operations with rational numbers. My program runs and is able to add, subtract, multiply and divide. However, it does nto reduce the fraction and when printing in decimal form, it returns an int rather than a double. For example, it would … |
| | As the title suggests I need to write the class of a graph object. It is required that I write a function that prints the graph determine if the graph has conex components,what are the cinex components, if the graph has cycles, and to determine the shortest and longest road …  |
| | Hey; I'm practicing with template classes. When I declare a user-typed destructor for this template class, the program freezes and needs to be closed explicitly. Obviously, in the destructor, I am trying to release the memory allocated to hold the coordinates[3] array. What is the problem with declaring a user-typed … |
| | [CODE] #include <iostream> using namespace std; class vector1 { float vector[]; int y; public : vector1(int x) { y=x; cout<<"enter the elements of the array"; for(int i=0; i<=y; i++) { cin>>vector[y]; } cout<<"elements of vectors are"; cout<<"{"; for(int i=0; i<y; i++) { cout<<"\n"<<vector[i]; } cout<<"}"; } void modify(int z) { … |
 | I'm trying to create a random float generator. The float must be 2 decimal places and between the values 0.50 and 999.99. I tried casting rand() to a float below, which didn't work. I'd still like to know the reason this didn't work. [CODE] saleAmount = ((float)rand() % 99950.00 + … |
 | I am in my way of studying the linked list chapter of C++.. So i go through this code below intended of understand it. [CODE] #include <iostream> using namespace std; struct nodeType { int info; nodeType *link; }; void printList (nodeType *first) { nodeType *current; current=first; while (current != NULL) … |
| | hey guys...!! i really want ur help in this program..!! its a Hospital management system program..!! it take input from the use..it can save input in a file..display all input on to screen, but i cant find a way to delete a record/patient details from the file PLZ help me..!! … |
| | Well, I've been Googling for at least 30 minutes, and looking through past posts about this, but just can't seem to find an answer that works. Basically, I've got a component class that has a single method I'm trying to test out. The entity class has a private array of … |
| | Hi, I am a computer Science Student having knowledge of basics in C++. I have to make a C++ project (Online airline reservation project). Please guide me how to make such an online project in C++. What all tools i need to use and how much time they will take. … |
| | I have no idea how C++ works, but I'd like to learn... Is it possible to create java files/programs using C++? |
| | What is the greatest possible range of rand()? I want to make it that of a long signed integer, but my program crashes. Is there another way to get that range? |
| | Hello, everybody! I'm writing a code, which should be able to insert a node to a binary tree where specified. Commands are being loaded from a .txt file. The contents of the .txt file are the following: 1 L 1 2 R 1 3 L 2 6 R 2 4 … |
| | I am trying to write a program that dynamically increase the size of an array. essentially creating an array inside of an array with array [b]a[/b] storing 100 int pointers. my code is initially having problems on line [code] a[count] = new int [n]; [/code] any tips or pointers as … |
| | Hi! I saw a post on this site that exhibited the same exact problem that I have for a homework assignment and while it was solved, my issue with the homework assignment is different. The C++ program that I wrote asked the user to input information but once you enter … |
| | Hello everyone, I've used this website many times to help myself based off of others' questions, but now I have a problem of my own that I can not solve. I was assigned the task of creating a stack program in C++ using a linked list. Seems simple enough, but … |
| | I'm making a student database using array based lists. I'm having trouble with making the list size created by the user. I have a for loop there now but once I put it there, I get an error saying aStudent is an undeclared variable and I don't understand why. There … |
| | Hi! guys i am a beginner and jus wanna know Using if else or switch operators i need to know the c++ code for writing a program that accepts a character and determines whether the character is lowercase letter |
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