Software Development Forum

ok here is my question, i use borland c++ builder 3 and in a book i found an example for a graphics.h program which is supposed to work but i have heard that this only works in dos mode not in windows (which i am running in) is there another …

I am new at programming and need help: #include <iostream> #include <cmath> using namespace std; int main() { int a, b, c, area, tri_area; area = tri_area(a, b, c); if area (area>0); cout << "Area is "<<area<<"!"<<endl; cout << " Those values tri_angle " <<endl; } double tri_area (double a, …

Hello ladies and gents, I'm starting on the next exercise, but I'm puzzled a bit and was wondering if any of you might help me with this. I have to enter four integer numbers, non negative and smaller then 16 into ONE variable int x, now, the thing I was …

I am having a problem with inputs. I can get the input using the cin command but i want to use the input to open a file with the inputs name ie the user types in FRED. cin>>name i want to open a file called fred.txt ifstream in("name.txt"); the above …

The assignment is to read and keep records and perform statistical analysis for a class of students. This is what I have done so far,then the codes can show the information(Id,4quizes,exam) of each students on screen. But I need to show 3 more things (The Highest ,The Lowest,The Average of …

I have a couple of questions about the main function. Do you need to put the ; after the last }? Do you need to put a return statement before the last }? If so, what number do you put in the (), i.e. return (0), return (1), etc. What …

hey i am making a game and decided that i want to put a load/save option in it and was wondering if anyone here knew how to do this, (the program has to be able to close, open again and load the progress from before). I am running in windows …

Can someone help me find the error that keeps this prg from running thanx [code] #include <iostream> #include <vector> using namespace std; int main() { vector<int>v(1,1); v.push_back(2);v.push_back(3);v.push_back(4); vector<int>::iterator i=v.begin(); vector<int>::iterator j=i+2;cout<<*j<<""; i+=3;cout<<*i<<""; j=i-1;cout<<*j<<""; j-=2; cout<<*j<<""; cout<<v[1]<<endl; //output 1 (j<i)?cout<<"j<i":cout<<"not(j<i)";cout<<endl; //output 2 (j>i)?cout<<"j>i":cout<<"not(j>i)";cout<<endl; //output 3 i=j; i<=J&&j<=i?cout<<"i and j equal":cout<<"i and …

I had all of this program finished except for the plotting like a week ago...Ever since then, I've been trying to figure out how to plot the stupid polynomials..I thought I had it, but the program seems to go crazy whenever it's suppose to repaint..It's like repainting components on top …

hello there ....can someone help me solve my problem of my assignment....i try to code it....so I need some guidances ... This is the question... An operating systems uses shortest job first scheduling for it’s process management. Assume that there are 10 processes waiting in a queue which is implemented …

i am having a problem with a function i am writing that takes in a txt file and stores the data in 3 arrays. The data file is always rows containing three numbers such as 1 2 3 2 3 4 5 6 7 8 9 10 with each column …

I have decieded to learn c++ just wondering what compilers you would all suggest? thanks

I'm about 3 weeks into my C++ class. I already made a simple program below that calculates grade averages and received an A. Now my teacher wants me to turn in three variations of it, replacing the goto with a while, do while, or for loop. I have experimented and …

ok, help!!! I'm totally lost. I have to use a file stream program and add names to file, then keep count of file names, then display the count of names entered and the names entered. Use a loop to enter names until prompt to end. these are just two of …

How do I flush the write buffer after a write without closing and reopening the file?

:?: Hi i am in my first C++ class and have already written two simple C++ programs. Im working on another using functions. I have to write 3 functions to calculate the area, cost, and retail price for wooden boxes and a main function to have the user input information …

Hi, I'm a thai student ... now i have a premiership project but i can't pass this problem that is , How to random matching football team ? example I have 4 team in `vector<string>` name [0]=a [1]=b [2]=c [3]=d I want to matching them such as week 1 : …

i hate C++. i have been working through the C++ for dummies book, and i have yet to make any sense out of it. the only thing that i have been able to grasp is the i/o parts. it is so hard. maybe i havent given it a chance to …

Can somebody help me in getting cursor position using C++ Programming language on a UNIX operating system. :cool:

Can anyone direct me where to go for doing stacks in C++. I have to make a program using stacks but can you initialize a stack with given values? If so can you give an example?

I am taking a Computer Graphics course where we are doing some c++ programming using the OpenGL API. I'm writing a C++ program in Visual Studio.NET, where I've installed GLUT (Open GL Utility Toolkit). OpenGL, itself, apparently comes with VS. The only include that I have in my one-file program …

can any one give me C program for ROUND ROBIN ALGORITHM . please needed urgently

#include <iostream> #include <stdio.h> #include <iomanip> using namespace std; struct person { char name[15]; int Idnum; int *testscores; float average; char grade; } *student, freshman; //////////// function prototype /////////// void allocate_memory(int number_students , int number_scores); void get_data(int number_students ,int number_scores); float validate_score(int score); void print_results(int number_students ,int number_scores); void release_memory(int …

the code compiles but when i try running the .exe it closes. It looks liek for the 2 seconds its up it works, but then it closes itself. What am i doing wrong? heres the code: #include <iostream> using namespace std; int main() { // sets variables to be set …

Hello, I'm new to this site and this is my first post. I got an assignment where I have to do a QuickSort on 100,000 numbers first and then combine QuickSort and BubbleSort so that the BubbleSort comes in for the last 1,000 numbers. The information is to be exported …

I get 2 strings. I remove all the characters present in both the 2 strings.I count the no. of characters left. How do i do this in C++?

anyone know where i can get the answers for the exercises...Im stuck on some of these...

I have this banking program that has a savings, checking account set up. The user has 4 options. Checking, Saving, Balance, and monthly maintenance. The checking option is all correct and never comes out weird...u can deposit everything and withdraw without any probs. If i do that -- then i …

I am writing a program in C not C++ how do I allow the user to input a name for the file, but not the extension. I will use the extension .csv always.

Hi, I'm totally new to C++ and so far am extremely confused. I was wondering if anyone could give me any help with one of my assignments. Basically I don't know where to even start. I think if maybe someone can help me get started maybe I can figure this …

hello guys. :confused: just a question about vectors: (sorry if it seems stupid, but i really don't know much about vectors) is it possible to return a vector or a pointer to vector from a function? if so, how? thanks in advance.

Ok, I've been trying to find and solve the problem with this source code by using the ddd debuger and I just can't. Here is the code. //lab1.cc, a driver for list.cc //CSCI 1120 //Will Briggs #include <iostream.h> #include "list.h" main () { Item Letters [MAX_ITEMS]; int num_letters = 0; …

:cry: I have written this in [B]TCLite v1.x (Successful!) [/B]but when I ran it on BloodShed DevC++ v4.9.9.1 (Latest from Blood) it won't work!.. arrgg.. I need this functionalities.. ;-(.. for educational I typed [B]exactly[/B] these... [code] [COLOR=DarkOliveGreen] #include <iostream.h> #include <conio.h>[/COLOR] void main () { int mark; int sum; …

lol i have tried and tried and look and ignored it for a long time. but i just can't find this problem or find it's solution anywhere. Here it is i have a function called fight i need to call to it often but for some odd reason whenever i …

I am writing a Win32 Console application and I need to change the font size to 18x10 pixels. I think this can be done with a function in windows.h but Im not sure which one or how to do it.

First, let me say I am NOT asking for someone to write this program for me. I have to see how functions and operations are used in programs to learn to use them in my own program. And I need help understanding how to use rand() in the program I …

I am looking for ideas for a program that I am trying to build. I need to have two pictures, one blurred and one clear. The blurred picture will cover the clear picture so it appears blurred. I need the mouse to appear as a sight glass so when the …

hi all am having hard times since yesterday trying to solve this problem. Declare the following two integer lists: int a[] = {5, 8, 4, 1, 7}, b[] = {12, 3, 15, 6, 23, 1, 2}; int sizeA = sizeof(a)/sizeof(int), sizeB = sizeof(b)/sizeof(int); list<int> list1(a, a+sizeA), list2(b, b+sizeB); Use the …

hi, i've got a bit of a roadbump in my work. I need to set all of the money values to have two decimal points on the end, but my current program only adds two places if there are more than one. right now, i am multiplying the value by …

I have a Distance Structure that includes Miles, Feet, and Inches. The user inputs these amounts 3 digits for miles, 4 digits for feet and 2 digits for inches. Not all of the time the user will input the full number of digits, when the user doesn't input the full …

i have a book to learn c++ and i have a peice of code that they are saying to compile and it is showing an error on line 15. here is the code: // // Program to convert temperature from Celsius degree // units into Fahrenheit degree units: // Fahrenheit …

Here is a little of my program: struct Town { int population, outbreaks; }; const int MAX_ROWS = 39; const int MAX_COLS = 39; void GetInfRate(Town[][MAX_COLS], int); //some other functions int main() { Town coordinates[MAX_ROWS][MAX_COLS]; //I load my data // I display menu, etc. } void GetInfRate(Town c[][MAX_COLS], int MAX_ROWS) …

Can somebody help me. I need to convert a programme from Qbasic to Java. Any help is much appreciated. Peter

error reads: body has already been defined for function 'main()' program is as follows: search.h file [code]// display files in a directory #include <stdlib.h> #include <dir.h> #include <dos.h> #include <string.h> #include <iostream.h> #include <fstream.h> ofstream outfile("output.dat",ios::out); class dispfiles { public: int showfiles(void); char allfiles[MAXPATH]; private: char *getdirectory(char *path); char curdir[MAXPATH],temp[3]; …

Why are the standard header files in C++ so non-standard? Particularly iostream seems to be the most dialectal. Enough to make the whole language a mess to work with!

I'm using the abs() function in a probability calculation using float and int variables however I'm getting error messages. What I'm trying to do is get a decimal answer using abs() but it appears to only accept integer variables? How do I get the abs() to give me a a …

I am just learning C/C++. My problem is to determine if a character is or isn't within an array then returning an appropriate message to the user. I've only gotten this far using 'strchr' without much success. Any suggestions or help would be appreciated. Should I be using pointers instead …

I have a column of floating point data that I need to right justify and align the decimal points. Help. Data looks something like this. 30.768 1.345 .430

Hi, I use a Borland compiler. How do I colour text (in a DOS enviroment)?

Hi, I been trying this problem for 2 days and monday 31st is the due date :( I tried to use a while loop but the numbers I get are not even close. What I did on the [B]Enter your code[/B] is the codes below the question [code] //******************************************************************************************** // …