51,593 Topics
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| | Hello, I've received an homework assignment to create an array via linked list. All went well until the compilation part where i get continuous errors. Seems most of the problem is that certain classes (DSA_array) doesn't recognize the existence of other classes and their member functions (DSA_list). Here's my code …  |
 | let say I hv a row of text 'date' 'amount1' & 'amount2'.. by using ifstream I able to read a file, but how about I want to read the 3rd data? use seek? |
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| | the program should have a getData function that accepts the total rainfall for each of the 12 months from the user, and stores it in a double array. It should also have four value-returning functions that compute and return to main the totalRainfall, averageRainfall, driestMonth, and wettestMonth. The last two … |
| | Hello everyone, I am trying to manipulate "DYNAMIC ARRAY" Structures however I've been faced with problems wanting adding new value. Here my code:: -I use CodeBlocks and gnu gcc compiler ^ also I checked it on linux machine. [CODE] #include <iostream> using namespace std; #include "Deneme.h" Deneme::Deneme() { countReg = … |
 | what I mean is from this code, when coder doesn't put any curly bracket({,}), what does the while loop scope will cover? already test with random bracket put on the code, but, the only "brackected code" that work the same as the original code is when I put around words.push_back(word); … |
| | Hi-- I am new to C++ and am having trouble with this program: The objective is to take input from a file and write it to output, using the '|' character as the delimiter, but displaying it using a comma (ex, if line 1 is "1000|6 1 6 5 3 …  |
| | Though I would be able to figure this out but for some reason my if statements are just not working. What I'm trying to do is date validation. I call this function passing in day, month, year. The issue I'm having the the if statement. I can't seem to get … |
| | [CODE] #include <cstdlib> #include <iostream> #include <string> using namespace std; bool checkleap(int year); int main(int argc, char *argv[]) {string s1; int year,month,day,inbetween,dayspassed; char dash1,dash2; s1="Today is day number: "; bool leapcheck; leapcheck=checkleap(year); cout<<"Enter a date, in the form of MM-DD-YYYY: "<<endl; cin>>month>>dash1>>day>>dash2>>year; switch (month) {case 1: 31-day=inbetween; [COLOR="green"]//Line 19[/COLOR] 31-inbetween=dayspassed; … |
 | Hey, everyone~ Being the second time posting here, I'll try to make it simple but clearly as possible :) So, my assignment this time is about writing a C program to print the following star patterns: [CODE] * * * * * * * * * * [/CODE] So, here … |
| | I'm beginning game development, and I started by reading Michael Morrison's [I]Beginning Game Programming[/I], which teaches how to develop a game in C++ using the Win32 API. I've had a lot of trouble with things I don't have any experience in (when I shut down my program, the process still … |
 | Hello, I'm working on a project where certain characters can have multiple values.. E.g. Letter 'A' can be replaced with 'B', 'C', 'D' Letter 'S' can be replaced with 'X', 'Y' And then it would output it like this: A can be replaced with B - Yes/No A can be …  |
 | hello , i want to cin n numbers then to sort the positive numbers in one array, the negative numbers in another array , then to print positive array. So let me explain , i run the program , i enter the 9 , then enter 1 2 3 4 … |
| | [CODE] #include<stdio.h> int main() { int arr[2][2][2] = {10, 2, 3, 4, 5, 6, 7, 8}; int *p, *q; p = &arr[1][1][1]; q = (int*) arr; printf("%d, %d\n", *p, *q); return 0; } [/CODE] |
| | my project Converting the c++ program to C# program.what i do plece sugs me and help me  |
| | can any one write code to find out if array is sorted in ascending order from even to odd number or not ? i will be thankful . i am new self learner of c++. Thanks in ADVANCE |
| | The value for PI can be determined by the series equation PI=4x(1-1/3+1/5-1/7+1/9-1/11+1/13-....) write an interactive program that asks the user how manu terms of series equation to use in approximating PI. Then calculate and display the approximation. Here is a sample run: PI Approximation Program How many terms of the … |
| | Hi people. well after I started learning C++ I thought why not try out my skills in some programming so I made my first programme. It is a very basic game commonly known as "HANGMAN" to many. It still might have some errors but it works. Hope you can modify … |
| | hi i am new to c++ i have problem to solve kindly help me Start with any positive number n. If n is even divide it by 2, if n is odd multiply by 3 and add 1. Repeat until n becomes 1.For example sequence that starts at n = … |
| | Guys, i have a problem in insert a string in to a vector.To be clear enough i have insert "vishwanath" into a vector can any1 help... |
| | I'm having a small problem with a map format that I'm making. It's essentially simple a char*[32] with each line of characters being stored in it for instance here's a hard coded version of the map and how I'm storing it: [CODE]int main () { char *mapdata[32]; mapdata[0] = "1111111111111111111111111111111"; … |
| | Having assertion failure while deleting an element from a vector.What are the causes of assertion failure? |
| | hey everyone, i have trying to build a aplication which takes hand gestures as input and performs corresponding mouse events as output using opencv inc/c++, but im having trouble implementing the hand detection and gesture recognition part.. so anyone can help me out..!!!  |
| | I'm trying to figure out where a proper place to put a comparison counter to count the number of 'comparisons' made in a quick sort is. This is my code so far, I have one counter where I think it should go, but I'm not sure if it should place … |
| | Hi, Below is the source file and make file I 'm using. while building I'm getting the below error in the console. From the error its evident that its unable to find function definition .Can anybody help me to fix this. Console output:- **** Build of configuration Debug for project …  |
| | I am writing code for reading a matrix from a file and deciding which type of relations it has. ie. Reflexive relation. However i am getting this error: error C2679: binary '<<' : no operator found which takes a right-hand operand of type 'Binary' (or there is no acceptable conversion) … |
| | I am working on a binary search tree and have came across a few problems that I can not figure out how to correct and was wondering how to fix them. In my program I am adding, deleting, printing, updating, and counting the total number of nodes. The only things … |
| | I am having trouble finding out how to code this. I understand what each one is and know how to tell by looking but cannot figure out how to create functions to check whether it is either reflexive, symmetric, anti-symmetric, and/or transitive (it can be more than one). Here is … |
| | Hey All, Here is a really simple piece of code that works as a magic 8-ball program where the user types in a yes/no question and a random response is returned. This could be a good read for new C++ programmers (like me), as it covers a lot of basics: … |
| | Trying to re-write a php function to C++ using boost.. I have NOT seen code for this anywhere on the net. I thought it was useful and I need it for C++ but I need help.. definition of the function in c++ [CODE] void preg(string pattern, string subject, string &matches, … |
| | Hi at all, this is my first post on this forum, thus i think it's nice whether i introduce myself. My real name is Nilo Redini, i came from italy (Pisa), i'm 25 years old and i'm a computer engineer. It's a lot of time that i read this forum … |
| | I like STL but the performance of the STL of visual C++ 2005 is not good enough, could I find some containers which looks like STL? Oops, I just found 1.48 release a brand new library--Container This library even support rvalue reference, so sweet. I love you, boost. Thanks |
| | Hello again. Well, I've been trying to get this to work, and I finally was able to combine two functions into one, but now I have to create a new function called FillTime() which will calculate the time to fill to fill the pool, though it seems that it doesnt … |
| | [CODE]#include<stdio.h> int main() { int a,b,c; (printf("\nEnter 2 no.s"))?(scanf("%d%d",&a,&b))?(c=(a>b)?a:b):0:0; while(c>=1) {if(a%c==0 && b%c==0) {printf("\nGCD:%d",c);return 0;} c--; } }[/CODE]  |
| | I am having trouble figuring out how to test 2 bools in a loop. This is an example. do { }while (!done || !validMove); [CODE] #include <iostream> #include <cmath> using namespace std; int main() { int number1, number2, total; bool done = false, validMove = false; do { cout << … |
 | this worked a few times and now its not :( anny help would be greatly appretiated [CODE] #include <iostream> #include <string> using namespace std; string vowels(string str) { string vow = "aeiouAEIOU"; for(size_t i = 0; i <= str.length()+1; i++) { str.erase((str.find_first_of(vow)),1); } return str; } int main() { string … |
| | I am also a New Learner, Base on the Request, This Simple Code would detect if a Number is Even or ODD number.... // This is to Detect Odd and Even Number [CODE] bool ValidateDegreeValue; // This is to Validate that the User Enter Number Data double DegreeValueNum; // This … |
| | [CODE] ifstream in_gradebook; ofstream out_gradebook; in_gradebook.open("gradeBook.txt"); out_gradebook.open("gradeBook_edit.txt"); while (???) //while int is being read { in_gradebook >> score; out_gradebook << score << " "; sum = sum + score; } average = sum / 10.0; out_gradebook << average << endl;[/CODE] Here is a small snippet of the code I have … |
| | Colafone Corp, an internet service provider has just started operations in Fiji. They require a program that calculates and prints the bill for Colafone Corp’s clients. As such the Corporation has come to you to create such a program. The corporation offers two types of services plan: Broadband Lite and … |
| | hey guys need help... Declare an enumeration type consisting of the nine planets in their order by distance from the Sun (Mercury first, Pluto last). Write a value-returning function that converts the name of a planet of the enumeration type declared in Step 1 into the corresponding string. The planet …  |
| | Hey! so my teacher is forgin, as i am and i'm having trouble understanding what he says... here is an assignment i got and im not sure what exactly it's asking. Would be big help if any of you guys could figure out what the question is wanting me to … |
| | Hi, I am new c++ programming and I need some help with my code. I am supposed to create a Hangman game with a file and your supposed to be able to write new words to the file etc... But I have problems with the code after the user have … |
| | [COLOR="Red"]First off let me just say i don't want anyone to do my homework for me. I get a greater sense of satisfaction knowing that I did the work. with that being said I'm looking for some way to start or some input on what measures I should take while … |
| | Hi everyone, i'm working on a simple console application for my company, which would backup the company's X:\ drive by uploading its data every day at 3:00pm. Questions: 1. Suggestions on how to upload a directory? (if not possible, then is it possible to automatically upload file by file) 2. … |
| | I'm a complete beginner to c++ so this may be a really stupid question... Basically so far i have this: [CODE]s1Textbox->AppendText( gcnew String(ss.str().c_str()));[/CODE] Obviously the text being displayed keeps appending. I looked at all of the methods for text boxes on the API but couldn't find anything to set the … |
| | Hi, I really need help with my c++ assignments. Thank's to everyone who can help! Create a grading program that reads a file exam grades and computes the Average grade and the letter grade for each of 5 students. Each student has 4 exam grades. Letter grade: A => 90 …  |
| | [CODE] package primecdesc; import java.util.Scanner; public class Primecdesc { public static void main(String[] args) { Scanner myScanner = new Scanner (System.in); int a,b=0,ctr=0, ktr=1; System.out.print("Enter a number: "); a = myScanner.nextInt(); while(b>=1001) { if (a%b==0) b++; ctr--; } /*for(b=1;b<=1001;b++) { if(a%b==0) ctr--; }*/ if(ctr==1) { System.out.println(a + " is a … |
| | Help with this code, I have to do a cafeteria survey with 20 students, see code and errors I get, thanks Dim studentRate(20) As Integer Dim counter As Integer Dim starCounter As Integer Dim frequencies(20) As String Dim phrase As String Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As … |
| | So the teacher told me to combine the two functions from the first code and i tried but it wont give me the correct answers. I cant seem to find the problem on it.. I cant seem to call the function on the second code.. thanks in advance. [CODE] #include … |
| | hi guy's i need some help. my project is an ATM simulator, to handle screen design i used panel for withdrawal, pin verification, balance etc. to explain further i have 1 panel for withdrawal a panel for pin verification etc. now idont know how to control those panel like if … |
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