49,761 Topics
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| | Hi ppl I would really appreciate if someone help me out here. I really tried to do this problem and its driving me crazy. All I could get is the algorithum of worst fit, best-fit next fit and first fit. Please help me as soon as I can. And I … |
| | I posted earlier for help with this and someone gave me a good clue and I worked with it but I am still boggled. I have been working on a couple different ways to accomplish this but have come up with nothing right yet. I am close but still need …  |
| | Can anyone tell me how to compare a string to an integer? I have a SSN stored as a string, SSN[10]. I need to compare each number in the SSN. What I need to do is to add up the ASCII values of the SSN to use for a hashing … |
| | I'm not understanding the error I'm getting. #include <iostream> using namespace std; const double rServiceCost = 10.00; const double rPerMinuteCharge = .20; const double pServiceCost = 25.00; const double pDayPerMinuteCharge = .10; const double pNightPerMinuteCharge = .05; int main() { int minutes; int dayMinutes; int nightMinutes; double dayMinuteCharge; double nightMinuteCharge; … |
 | How can intract ODBE with C++, Waiting for your kind responce.. |
| | [php] #include <iostream> #include <cmath> using namespace std; class point { public: point(int xcoord , int ycoord); //constructor point(); int getX(); int getY(); double getDistance( point otherPoint ); void setpnt(point p); private: int x, y; }; class rectangle { public: rectangle(point p1, point p2, point p3, point p4); void perimeter(); … |
| | hi administrator, I'm a beginner in c++.I need to draw a graph(x vs y type).I used graphics.h and ended up with a very primitive version of a graph.The graph appears like a scribbling in the top left corner of the screen.I don't know how to draw the x and y …  |
| | Hello i'm very new to programming and self teaching myself. I'm having a problem with my project. I'm trying to preform an equation, but every time I in put the variable it runs to the end. It is a programm to help solve precents for my friend. This is the … |
| | consider this for [code]int i.j; for (i=0;i<=5;i++){ for (j=i+1;j<=5;j++){cout<<"\n"<<i<<"\t"<<j<<"\n"; } }[/code] now suppose we have[code]list<string>::iterator l,m;[/code] the corresponding thing[code] for (l=0;l<=5;l++){ for (k=l+1;k<=5;k++){cout<<"\n"<<i<<"\t"<<j<<"\n"; } }[/code] won't work because "l+1" is meaningless here. How do I solve this problem? |
| | As a part of a larger problem I have to solve the following:: *input - number of variables (say n=4) *input - 'n' numbers in decimal (say 1,3,5,7) *I need to check for all the grey code neighbours i.e, to say, 2=00000001(a fixed length string) and 3=00000011(a fixed length string) … |
| | Here's what I have so far and here's my response from my teacher. I'm not exactly sure what or where the problem is. Anyone else see it? Have you run this project with many different test cases, and does it work? At first glance, it seems to me that the … |
| | I am trying to make this queue right now that uses elements in an array to increase the appointment time for a queue. Only problem is I don't really know how to get each individual element from the array to add it to the queue. I thought I could just … |
| | i am curently attending college and i don't know how to start this assignment i was givin: while spending the summer as a surveyor's assistant you decide to write a program that transforms compass headings in degrees ( 0 to 360 ) to compass bearings. using only one decimal place. … |
| | I'm trying to write a code that calculates a cell phone bill. There are two different services: a regular service that is $10.00 and the first 50 minutes are free and charges over 50 minutes are $.20 per minute and the other a premium service that's $25 and the first … |
| | I need an explanation of Auxiliary operators. I understand that they are not members of a given class. But how do you use them? Particularly in overloading operators situations. |
| | Hi! I'm really new to all this so please excuse me if I'm not providing enough information for anyone to answer my question. I'm getting this error: [code] error C2079: 'Playlist::PLarray::playlists' uses undefined class Playlist [/code] and it's referencing a line in my PLarray.hpp file-> see *** PLarray.hpp: [code] #include …  |
 | I have to write a program where the input is a Boolean Expression and the ouput is the corresponding sum of minterms for that particular expression. My idea is that i need to convert the infix boolean expression to a postfix expression. From there I need to construct the truth-table … |
| | :eek: I have been working on this for hours now... I am trying to enter a string and then count the words in the string. Only problem is my book is no more than a paper weight, and other online areas are kinda confusing. Can someone point me in the … |
| | (for reference i am in c++, windows, borland 3 compiler)hey guys here is what i want to do, i am trying to save a file using <fstream> but want the player to pick a name to save the file as, so to do that i have to modify the string … |
 | [code] Mode13h The Beginning of 3D/2D Graphics [/code] [B]Intro[/B] Lots of people want to know how to do graphics but find most APIs like OpenGL, DirectX etc too complex for a beginner, especially as they involve GUI code which follows a different approach from the simple dos programming Here, I … |
| | I'm trying to write a program that mimics a calculator where the user inputs two integers and the operation to be performed. Then I want it to output the numbers, the operator, and the result. I need to use a switch statement and I'm very confused on what to do … |
| | We have a homework problem that we had to modify. we had to make the user input their name and a radius to compute the area. The program was supposed to ask the name before it asked the radius. I have two problems i can not get the program to … |
| | hi-i hope someone can help me.. I am creating a linked list of nodes, I am trying to insert a new node alphabetically by strcmp the name field. I keep crashing at this point... you will see in my code below, I can add to the front of the list … |
| | 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, … |
| | 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 … |
| | i keep getting error messages when i try to build my program: EmpType.obj : error LNK2001: unresolved external symbol "public: __thiscall SortedType::SortedType(void)" (??0SortedType@@QAE@XZ) EmpType.obj : error LNK2001: unresolved external symbol "public: void __thiscall SortedType::ResetList(void)" (?ResetList@SortedType@@QAEXXZ) I also get the same error for InsertItem,GetNextItem,DeleteItem,RetrieveItem,LengthIs any help in understanding this would be … |
| | Hello all, im writing a c++ program to interact with an SQLServer database. my code will run a query and retrieve data fine. for example SELECT data FROM TestTable returns all strings from the data column. but when i run the following statement INSERT INTO TestTable (data) VALUES ('HELP') i … |
| | 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 fairly simple C++ program problem. This program is suppose to read in two sets of coordinates (x,y) and report the magnitude, distance, and where on the plane the points lies. Here is my code so far the whole thing works except for the location function. We haven't …  |
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