18,490 Topics
Hello guys i need your help to finish my project in computer programming so guys i need your help problem: the new telephone company has the following rate structure for long-distance calls: a. The regular rate for a call is $0.40 per minute b. any call started after 6:00 PM(1800 …
This is my header file i want to use [CODE]#include <stdio.h> #define my #define LABOR_COST 0.35 #define TAX_RATE .085 void read_data(int* length, int* width, int* customerdiscount, double* costpersquarefoot); void calculate_values(int length, int width, int customerdiscount, double costpersquarefoot, int* area, double* carpetcharge, double* laborcharge, double* installedpricecharge, double* discountcharge, double* subtotalcharge, double* …
1.what Is The Difference Between Procedure Oriented Language And Object Oriented Language? 2.what Are The Drawbacks Of Procedure Oriented Language?
i hav car racing program in c++ and i wish to convert this program in c what i do? prigram is this...... [CODE] #include <iostream.h> #include <dos.h> #include <graphics.h> #include <conio.h> #include <stdlib.h> #include <stdio.h> #include <time.h> #include <ctype.h> class car { private: int x1,y1,x2,y2,col,col2,col3; public: car():x1(200),y1(300),x2(270),y2(200),col(4) {} car(int a,int …
How to change the entry point of gcc compiler ? I mean the code will look like the bellow one. [CODE] #include<stdio.h> int entry() //this is the new entry point instead of main. { return 0; }[/CODE] thank you very much..
I have choosen information security for my future field... Which language will be best for analysis of information and exploiting bugs? C or c++ or java or any other ?
looked everywhere, but all the information i find doesn't explain clearly on how to do this. im not sure how to store char* tokens[...] into an array where i can manipulate them. when i try storing tokens into array by: shapes[n] = tokens[n]; and when i try to print out …
Guys, I got a problem in File Handling.. I entered two words(My World)to be saved in a file but the file displays the first word only. Can you guys help me....
In the book "The Complete Reference-JAVA" by Herbert Schildt. Its written there that "In C/C++, char is an integer type that is 8 bit wide and char in JAVA is a unicode 16 bits wide." I ve understud the point but I want to ask that char in JAVA isn't …
Hi i am trying to get the values from a comma separated .dat file into an array in C. The values in the .dat file only consists of 1 and -1. I have been trying for hours now, so i decided to ask for help. Here is an example from …
In C, array is sequence of variables. int arr[3]; if arr is 2000 then arr+1 is 2000+sizeof(int). lly arr+2 is 2000+2*sizeof(int). in that way array elements are accessed but in JAVA array elements are dynamically allocated using new. then how all others variables are accessed, means I want to ask …
I have a doubt regarding [B]stack[/B] in c functions... Here is a program which shows an example... [CODE] #include<stdio.h> int display(); main() { int m=display(); printf("m is : %d\n",m); } int display() { printf("1234\n"); return; } [/CODE] outputs: 1234 m is : 5 [CODE] #include<stdio.h> int display(); main() { int …
hey I am having confusion in the output of a simple program. here is the code:- [CODE] int main(void) { printf("%d %d",sizeof('A'),sizeof("A")); return 0; } [/CODE] output on my compiler(gcc):- 4 2. I thought sizeof("A") is considered as string ending with '\0' so there are two characters i.e,2 bytes a …
Hi can you pls help me how this program containing a function that accepts a 5-digit numbers & returns the digit in reverse. like: Enter 5-digit number: 13569 Reversed: 96531 thankyou ;)
hey guys, new to daniweb here. This is my first assignment in my first C class at school. I'm having some trouble getting the program to work, was wondering if you folks could give me some tips. I believe I have most of the code down, I think my issue …
I am having trouble with making my program read in binary and convert it into an integer so that I can do arithmetic on it, and then output it back out as binary. Here is my code. The first part of it works, and I can read in the 2 …
Well what was the first programing languige after machine code and asembly languige?
I'm new here so please don't be rude. Okay, my problem is I don't know the exact code on how you print in reverse in array. Here's the problem: Write a program to input a set of five numbers and print them out n the reverse order of input. Put …
i found a very simple program that is very simple but have a great logic. [CODE] #include<stdio.h> #include<conio.h> void main() { int B=1; printf("%d\n%d\n%d",b=15,b>9,b<9); getch(); } [/CODE] this seems very simple to me but the output is very strange to me OUTPUT:- 15 0 1 I tried very much to …
i am confused that when to use '&' sign in arrays. some times in string array or in character array i got confused. bcz array name itself is an address .so an1 can plz help me out of this??
This program is driving me crazy. I'm relatively new to programming and I can't figure out how to fix the error in the title (line 50). I'd really appreciate any help. [code=c] #include <stdio.h> #include <string.h> #include <stdlib.h> #define SIZE 20 //constants defined before main #define MAX_LEN 30 double calchours(int …
Please help me. Can you guys tell me how to put a background color in C.
hello daniweb, I am new to C Programming,can anyone explain me the functionality and uses of getline(),with advantages and its disadvantages and where to use? thanks in advance
Hii my question is how do we decide when to use which type of datatype For eg in some program we get int i, whereas in some programs it is float i, whereas in other programs it is double i....so how do we know which datatype to use...I am confused …
Hi, thank you for taking the time to take a look at this. So here's the deal, my assignment is to write a program that resembles the traditional version of bc. It will translate the more common way of writing arithmetic expressions into postfix form used by the dc utility. …
Hello all. I'm having problems figuring out how to get atof working in my program. I'm not sure exactly what I'm missing, and I was hoping someone could point me in the right direction. Thanks. [CODE]#include <math.h> #include <stdlib.h> #include <ctype.h> #include <stdio.h> static int top = -1; static double …
Hello! I am trying to make a mimic code of LS command in C. It is compiled with gcc in ubuntu, and I have some questions to ask. I have used opendir to open current directory, and then i read each directory using while loop to print all the directories …
I am newbie in controllers' programming. Recently, reading manual about ADSP controllers, I saw the key word ".section" in the c code. In another books I saw just "section" without dot. What do these directives mean? And is there any difference between these cases? My compiler works fine with "section," …
Has the following code any practical utility apart from showing the working of pointers? I got it while learning c in which the tutorial showings the features of pointer. Does a C programmer use this kind of code where a int pointer has been declared first and assigned a value …
All right. So I'm taking an assembly language class, but we apparently also need to use a smattering of Unix and C. Our assignment is to create a function that converts from the input base to a listed base. Example of a call: ConvertToBase(057,10) should return 47 (the input was …
Lets say I have a shared library in Linux, written in C, with a single function that simply returns the pointer to a string literal. [code]void *ReturnObject() { return (void *)"\xFA\x03\x44\x10\xE0"; }[/code] When this library is loaded by the host application at runtime and this function is called, is the …
What is EOF. How is it generated? Which key corresponds to "end of file" on the keybord??
Can anyone please debug the following binary tree program, it flashes two errors: 1: Type mismatch in redeclaration of 'strdup' 2: Tpe mismatch in redeclaration of 'talloc' [CODE]#include<stdio.h> #include<ctype.h> #include<string.h> #define MAXWORD 100 struct tnode *addtree(struct tnode *, char *); void treeprint(struct tnode *); struct tnode { char *word; int …
Here is a program to create two threads in which parent thread read the count of character in inputting string and child thread reverse the string up to that count ! [CODE] #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include <pthread.h> struct pass { int c; char *arr; }; …
Hello, I am working with genetic programming for classification techniques in data mining. I am not very much clear about how to perform genetic programming in C. Can i please get some sample code of genetic programming... An example program for any application would be fine. I just need some …
I got the problem with this code.. can anyone explain me the output.. main() { int i = 258; int *iPtr = &i; printf("%d %d", *((char*)iPtr), *((char*)iPtr+1) );}
Hii I have developed a code in which i have two check those 2 digit numbers whose 3 times sum is equal to the number eg:-27=3(2+7) [CODE] #include<conio.h> #include<stdio.h> int main() { clrscr(); int a,b,n; long sum=0; loop:for(n=24;n<=28;n++) { a=n/10; b=n%10; sum=sum+(a+b); } if(n==(3*sum)) { printf("%d \n",n); } else { …
Hi friends, I need to convert this random number generator in C++ to C. Please help me. C++ code [CODE] #include <iostream> #include <ctime> using namespace std; //This class will give satisfy basic // random number considerations for // games an general apps. // WARNING: Not for Cryprographic use // …
Hi people im new here. I want to work with security but i got many issues with this simple program. I want to encrypt and decrypt a msg with openssl cmds. Btw im using pipeline and process open (popen) function. Im using Fedora gcc to compile. Any help, recommendations will …
So from what I've been taught, in school and in books, all C programs(I assume C++ too) always have main(). That's very explicitly mentioned. However in my poking around with some relatively large open source projects in hopes of learning something, it isn't as straight forward. What I've encountered was …
I know C++, but I'm trying to learn C. Anyways, what am I doing wrong here. If I delete the line with 'scanf', it will compile so obviously I'm doing something wrong there. Anyways... [CODE]#include <stdio.h> int main() { int x; printf("enter a number\n"); scanf("%d", &x); printf("Your number is: %d\n", …
need a[CODE][/CODE] in C that converts any given BCD to GRAY Code, and any given GRAY to BCD. I am a started so little halp ;)
Hi, I got a doubt about for loop while i was thinking about time complexity.... Is increment operation in for loop a two steps operation i.e., increment i and assign it the i or an one step operation just like just incrementing it? Is there any pointer operation involved in …
Hello. I have a file merg.txt: [COLOR="Red"]1 3 11 14 1 5 8 13 1 1 9 10 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 12 13 3 3 3 3 3 3 3 3 3 3[/COLOR]
I need to get the current time from Internet using C language. Any help is appreciated, hopefully a source code sample. Thank you in advance.
Title says it all: I am wondering in what kind of situations a programmer would use a union vs using a structure. I'm pretty new to this stuff and my book only devotes about 2 pages to Unions so it isn't the best source of info on Unions really, but …
I've been trying to code a link list in c and though it seems fairly straight forward I'm getting strange output. My link list nodes: [CODE] struct OBJECT { int Status; struct OBJECT *P_LINK; struct OBJECT *N_LINK; struct VALUE *P_VALUE; }; [/CODE] Link list [CODE] struct llist { struct OBJECT …
Hey everyone. I've been contemplating something lately and I haven't been able to come to a conclusion, so I thought I'd see what you all thought about it. When checking for null (nevermind that we should try to not make something null in the first place), would it be better …
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