48,986 Topics
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| | I am writing a program for class that inputs two of chars values no larger than 20. Then it adds these to Values together and prints the sum. Say this is my input Value one 123 Value two 456. This is how i input it into program for keyboard. 3 …  |
| | how repair the faild? [CODE] #include<iostream> using namespace std; #include<ctime> int rolldice(void) int main() { enum status {continuo,won,lost} int sum , mypoint; status gamestate; srand(tim(0)) sum=rolldice(); switch (sum) {case 7; case 11; gamestate=won; break; case 2; case 3; case 12; gamestate=lost; break; default; gamestate=continuo; mypoint=sum; cout<<"enter:"<<endl; break; while (gamestate==continuo){ sum=rolldice(); …  |
 | Well, I had my program running perfectly, and I was quite pleased with the results. However, after I made the text file a bit big, the program just stopped working all together. (255 lines of text) so I 'suppose' it is a bandwidth problem..however 255 lines of text is like … |
 | I'm trying to create an overload of the "+" within my program to add a private constant value to an already establish polynomial, but the last portion of my code comes out with the following error: [code] Error 1 error C2677: binary '+=' : no global operator found which takes … |
| | This is just out of curiosity! Does anyone know what is the maximum number of characters that a line of code can have? EDIT: Added more details. Is it possibly possible to make two lines become one? .... This seems pretty odd, I dont know how to explain it, but … |
| | Hey guys, Im trying to make a program that guesses the name of an animal in the users head by asking him or her a bunch of questions. The questions, answers, and line number for yes/no are inlcuded in the file animals.txt as follows: Q Does it have feathers? 2 … |
| | [CODE]# include <stdio.h> int abc(int & x) { return x; } int main() { int y = 0; abc (y++); // error here return 0; }[/CODE] error is error C2664: 'abc' : cannot convert parameter 1 from 'int' to 'int &' But if i call the same function as abc … |
| | okay i need some help with this...i'm creating a graph program..the problem is the linked has to be user specified...i manage to create a linked list..i don't know how to create another one...its some sort like this : 0 1 2 0 - - > created this 1 - - … |
| | Hi guys, Design question: I have a class that contains 2 vectors, and I'd like for that class to provide a public interface to access the next element in either list. The easy way to do it is to obviously return the list itself, either const or not, but this … |
| | I am trying to understand one C++ program, which has a loop written as follows: [CODE] for(int i = 0; i < (1<<m); ++i) { for(int k = 0; k < m; ++k) { if(i&(1<<k)) { //in subset } } } [/CODE] I do not understand how the loop control …  |
| | ok so if i have somthing like [CODE]#include <iostream> using namespace std; int main(){ int action; cout << "have this show up first" << endl; cout << "then have an if statement here" << endl; cin >> action; if (action == 1){ cout << "then have this show up but … |
| | I'm having some trouble finding a place to put this question, since I don't have any insight in coding. Please let me know if the thread is misplaced, and I'll move it. Question: I have an idea of an app for iPhone/any smart phone and before I move on with … |
| | hey i need help with writing a program where it lets a maker of chips and salsa keep track of sales...i have this so far but dont know what else to do. [CODE]# include <iostream> # include <iomanip> using namespace std; int getTotal (int [], int); int posOfLargest (int [], … |
| | My code converts roman numerals to the number values but i dont know how to make it do deciamls too, like for example: XX-X. I need it to recognize the "-" and start the loop again. How do i do that? Here is the code: [CODE]#include <iostream> #include <string> using … |
| | Hello everyone: I am a C++ newbie. I have used Matlab to fill the rows or columns of a matrix with values from a vector and I'm wondering how to do the same thing in C++... I have written code that puts new values in a vector. This happens in … |
| | Hello Every one, I am having trouble finding my correct condition to not run off the end of my file. So i am reading from a file and then tokenizing my data accordingly. My file has 16 lines and using my size function i get 18 lines instead since i …  |
| | [CODE]include <cstdlib> #include <iostream> #include <iomanip> #include <stdlib.h> using namespace std; void printintromessage (); void getUserInput (char& Y); int main(int argc, char *argv[]) { const int numofgamesinseries = 3; const int numofplayersonteam = 4; int i, score[numofgamesinseries]; int j, players[numofplayersonteam]; char Y = Y; printintromessage (); getUserInput (Y); do { …  |
| | I have been having various issues trying to figure out a very trivial problem. I've re-written this code now several times and used many different condition statements etc... One issue that i'm having right now is the input for the variable "paragraph" not being available, the paragraph input is skipped … |
| | Hello everyone, I have a problem and almost found a solution, for example this: [url]http://www.parashift.com/c++-faq-lite/multiple-inheritance.html[/url]. However in my case I cannot solve it in a proposed way and will explain it shortly why... So basically, I have a BaseView, that derives from QWidget like this: [code=c] class BaseView: public QWidget … |
| | hi everybody, i would like to know how to computes and returns d2 – d1 d2 is passed to the function by reference and d1 is the implied calling object; date d1 is earlier than date d2 the function returns the difference between two date objects in terms of number …  |
| | I'm programming my own game at the moment, its connecting to a server and the server sends some spawn info and eventual other players who are connected. When a player moves, and an other player is also connected, the client of Player2 crashes. I don't know what is causing this, … |
 | Hi. I know it's now rly allowed to post homework and stuff. But i just need some help, like hints, or examples. =] Don't fully understand how arrays(marked as mass in prog.) work yet. Arrays = massivs (in the countries language where i live) [ The point is to have … |
 | Example: [CODE] class foo { public: void DoNothing() { cfee.AddNothing(); } }; class fee { public: void AddNothing() { int a = 0; a += 1; } }cfee;[/CODE] Is there a way to call a function in a instance of a class that was declared after the creation of the … |
| | hello guys, i need ur help in converting NFA to DFA DFA Algorithm : s <- s0 { start from the initial state } c <- nextchar { get the next character from the input string } while (c != eos) do { do until the end of the string … |
| | Hello. I am asking for help. I have 2 input files containing sorted integers. These 2 have to be concatenated into a third file and now all the integers must be sorted. (Example: file1 contains 1 5 8, file2 - 2 3 6 and file3 must contain 1 2 3 … |
 | Hi all, I'm really not at all experienced with C++, but I have some changes to make in code that used to be maintained by someone else. The code that exists may not be the best, but I'm not looking to totally re-write the widget because it works for us … |
| | We have an assignment to convert infix to postfix. And I have made this initial code. When this program is executed, I'd type any word that is not an operator or '(' or ')'. For example my input is "asd" my output should be "asd" also. But in this code …  |
| | 7. Write a simple C++ program that performs addition, subtraction, multiplication, division, exponentiation, base-10 logarithm, and factorial operations. The program should start with a menu letting the user to choose one of the eight operations the user wants to perform. A sample menu is given below (hint: use loop to … |
| | I'm a programming noobie, been programming for only a couple months. The other day I had the idea to write a small application where it would minimize Skype automatically after a call was terminated or over. I have no experience using API so I've been doing my research on the … |
| | i want to develop a c++ program that may take a visual input like a graph and then manipulate it to find whether its a planar graph or not....i am well versed with the algorithm to do this...just want to know that how can I read the input from a … |
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