[c] Forum Topics

hello I need C code to build a finite automata and NON deterministic automata translate to equal DFA. This is for my project please help!

Hello all, When I try to compile a small program I am getting an error that I do not quite understand. I get this error: media_tracker1.c: In function 'add': media_tracker1.c:152: error: expected expression before ';' token when I try to compile this code: [CODE= "c"] #include <stdio.h> #include <stdlib.h> #define …

I have to write a program that accepts a pointer to a c-string as its argument. The function should return the charater that appears most frequently in the string along with the number of times it appears. for example, if i input "hello dolly" the output would be: "l sppears …

hi, I have a problem with BST. For example after the insertions of below numbers, 23 1 45 2 3 5 52 234 31 The output should be like this way: [B]23[/B] [B][/B][B]1,45[/B] [B][/B][B]-,2 | 31,52[/B] [B][/B][B]-,- | -,3 | -,- | -,234[/B] [B][/B][B]-,- | -,- | -,- | -,5 …

Hi frens, I couldn't compile this solution code given by my university on visual studio.Visual studio works fine with other C++ files. Here are the question and solution code pasted below.I wonder if anybody could try to compile the solution code on thier machine and see if they can run …

Hi guys, I have a txt file in which each line contains information in following format: VELOCITY<100.0> LAT_1<N 00 00.0000> LON_1<E 000 00.0000> SIMULATE<false> I would like to write a C or C++ programm to select only the values of the words I need. I need those values to do …

Hello guys. I am working on the code below. I am trying to create my own shell. The code compiles without errors, but when I execute it though it doesn't output anything. I have tried it with /bin/ls as input and it doesn't work. Any suggestions? [code=c]#include <stdio.h> #include <stdlib.h> …

Hi frenz, the above code runs perfect. But while printing the arrays x y z the value of y[0]changes...could u plz help me in sorting this problem.. thank u.. this is the output.. [B]x y z[/B] 1 -1 0 2 4 -2 3 3 0 4 2 2 5 1 …

Hi guys, I have a txt file in which each line contains information in following format: VELOCITY<100.0> LAT_1<N 00 00.0000> LON_1<E 000 00.0000> SIMULATE<false> I would like to write a C or C++ programm to select only the values of the words I need. I need those values to do …

I have been trying to check Internet connection but all ways I have tried have failed. Some example code would be great, or the package to use. Thanks very much.

Please, I have tried everything that I can learn from a book...any help with this problem is greatly appreciated. I've spent days writing and modifying and I am just lost now. Is there anybody that can help me solve this question using C language? You are developing a database of …

Hi, I am required to first read a number, n and then n lines of string. The strings can contain leading spaces which has to be preserved: 2 " hello world" ... using [CODE]scanf("%d", &n); for (int i = 0;i < n;i++) { scanf(" [^\n]", message); .... printf("Case #%d: %d\n",case_count, …

How to add 1/1+ 1/2+1/3...+1/9+1/10 . I tried but I am getting answer in negative number.

i need a c programme that reads a txt that you chosse then count the number of each word in the programme i have e.g. "hello this word is very funny this is not" hello 1 this 2 word 1 is 2 very 1 funny 1 not 1 i would …

I have a question regarding scope for a character array defined as follows: saveDataObj->save("This is the first entry", 1, 2); Here is how the SaveData class has been defined: [code=c++] class SaveData { struct entry{ const char* data; int data1; } entry* mpData; static int iter; } //Constructor SaveData::SaveData() { …

Hi, I am using C/C++ for 4 years now,solving algorithmic problems only. I see many softwares that do fancy stuffs like windows softwares which automate the installation process , move the mouse automatically and buttons are clicked. Please can anyone tell me what programming language is used in such cases? …

Why the output is 100? [CODE]#define f(g,g2) g##g2 int main() { int var12=100; printf("%d",f(var,12)); return(0); }[/CODE]

I'm curious why all the events code and autogenerated code when controls are added to the form are written to the form1.h instead of the form1.cpp. Is this a configuration item? This defeats the purpose of information hiding by separating the declaration from the implementation.

hello . I have a problem. I have a variable DWORD num= 0x1234ABCD i want to convert it to char * for example- char * result[0]= '[the ASCII of 0x1]' result[1]= '[the ASCII of 0x2] result[2]='[the ASCII of 0x3] ... How can i do this?? thank you very much!

I am almost completely brand new to programming (been in my first programming class for about a month), and I am trying to learn stuff that my professor isn't teaching yet so that I don't get behind later, and I am doing this by writing simply programs and learning all …

Can some one please help me in writing a program for the INSERT AND DELETE operation on a BST, the operation functions must be NON-RECURSIVE ??

Hi, I am trying to understand the Standard C function "getchar()". I am using CodeBlocks 8.02 in Windows XP. Please compile this code in your compiler and note how it behaves: [CODE]#include<stdio.h> int main() { int i=getchar(); while(i!=9) { printf("%d",i); i=getchar(); } printf("%d",i); return 0; }[/CODE] When I insert Tab, …

ok I'm taking a text file.. 16 lines.. 6 character values per line and trying to randomly get one character per each line.. and place them into a 2d array (4x4). The values i'm getting aren't correct for some reason.. anyone have any helpful tips? [CODE] int main() { srand …

Hi All, Today I came across a peculiar piece of code. [code] int main(int argc, char* argv[]) { printf("%lf\n",(0.99-0.90-0.09)); } [/code] According to me the output for this code should be 0, but to my surprise when I ran this code the answer that I got was -0.000. I cannot …

hello, Here's a simple question I want to clear up. We all know that we can use the name of an array as the pointer to that array, and that a pointer holds the address to the variable named. What I'm doing is this [CODE] //somwhere in the code uint8_t …

Hi to everyone here! I'm a newbie! I just wanna ask help from you especially from the administrator regarding my machine problem..... I am asked by my proffesor to create a slot machine program. This is how it goes... The simulation starts by presenting the player with a menu of …

Can you please give me a list of all of the % letters that go with int, floats, and doubles in printf and scanf.

i need help about the String codes.... its about how to delete a string.. like for example it displays like "The Dogs and Cats" the program wants the user to choose what to delete like i want to delete the Dogs.... and the result is now "The and Cats" cause …

i am getting linking errors while i try to program graphics in turbo c "unable to open file tcclass.lib"please help

Im trying to make a program that will sort the the list according to its cost...from least to expensive... here's my code: [CODE]#include <stdio.h> #include <string.h> typedef struct resto RESTO; struct resto{ char *name; char *address; float cost; char *food; }; void output(RESTO r1); int main() { RESTO r1= {"Coras","Agora",60,"BBQ"}; …

I'm trying to convert a double w/ a string of characters w/o using sprintf and padding w/ 0's.. omg... driving me nutz.. what I have thus far.. [CODE]#include <iostream> #include <cstdlib> #include <cmath> #include <deque> using namespace std; void d2s(double,char[], unsigned int); int main() { while (true) { double num; …

This is a basic calculator I made in C++. I am learning C++ on my own. [CODE] #include <iostream> using namespace std; float Add (float &a,float &b) { float c; c=a+b; return (c); } float Subtract (float &a,float &b) { float c; c=a-b; return (c); } float Divide (float &a,float …

i'm doing a payroll system and i have finished it but i need some eror checking reports for name and integer but i'm going to do the integer first which wll input hours of a day from monday to friday what i need is a loop along with error checking …

I have to lines listed.. a cin >> x and a scanf("%f",&x). If I use cin program works perfectly.. change it to scanf and values arent' even corect any longer.. different decimal values all together.. anyone??? [CODE] #include <iostream> #include <cstdlib> #include <cmath> using namespace std; double ApproxCos(double,double); int main() …

i have a problem with this code iv been try lots of expressions to show elven thousand to nineteen thousand and nothing seems to be can you guys help me out tnx in advance [code] #include<stdio.h> int main() { int n,teens,thousands,hundreds,tens,ones,tthousands; printf("Enter a number: "); scanf("%d", &n); tthousands=n/10000; n=n%10000; thousands=n/1000; …

Hello everybody! I am trying to create folder's which will contain files and lastly all these files will contain texts. My problem is that am not able to create this folder into a specific location or pathname!!! Here is the code, please advice accordingly: [CODE] #include<stdio.h> #include<sys/stat.h> int main() { …

Hello all, Here I intend to reverse a line of text ending in a newline, but only the individual words will be reversed, not every character. For example, "This is just a test." would output ".test a just is This". The code as stands prints a space for every character …

[CODE] #include<stdio.h> #include<conio.h> void main() { int n,f; f=1; printf("Enter the number:\n"); scanf("%d",&n); while(n>0) { printf("%d",n); f=f*n; n--; } printf("The factorial of the integer is:%d",f); getch(); } [/CODE]

hi all plz explain me with syntax "how to pass pointer to a function or pointers to a function " . plz tell me if there any big tutorial which can solve my problem providing a deep knowledge about it . and one more probim : what is incorrect int …

hi guys.. can cayone pls tell me how to accept images in c as an input and process them further for compression using jpeg algo. pls help me as i'm stuck up in the beginning of the project

Ive been working on a Game of Life simulator in C for my programming class. Essentially, it needs to take a single line of input and print out a nice grid of x's and o's (representing live cells and dead cells, respectively). I need to input the grid size, the …

Hello, I am working with variable arguments and I have no problem using them with Integer, Float or char arrays. But when I try to use String arrays, it is a multidimensional array and I am not sure ... I am calling a function with variable arguments, one of which …

I am running into problem on getting this program done. Its suppose to quiz you on your 2 powers ie(2^2 = 4, 2^22 = 2m, 2^46 = 32t) I've programmed in python for a couple years but a lot of the tricks python lets us have C++ doesn't or I …

Hey guys, been to the forum a couple times but never posted. Thought I'd give it a try. So my problem is basically this. I'm to create a program which reads a line in this form "-6 1 2 3 6" "-10 1 2 5 10" -6 being a perfect …

Is there a way to hide assembly code when my C code references a library function that deals with memory? (Not showing 'asm' code)?

What is the keycode of "Escape" while using curses.h???? is it KEY_EXIT?? I hv used this bellow but when i press escape, it prints "^[" instead of stopping the loop! and when i press "g", it does what i want the code to do when "escape" is pressed!!...Help! I am …

I am writing the game of life code. Now this is running for smaller size of matrices, but I need this to run for big matrices. So I need to deallocate the memory somehow. I tried it with the //deallocate part at the end of calculate(). But now its showing …

Hello everybody, I was trying to make a telephone directory, when I ran in to several problems with the compiling. When I fixed these, I saw that the programm wasn't working as I want it to work :) Can anyone tell me what I did wrong, and try to help …

i already did a program that encrypts letters by skipping 1 or 2. but now i need to make a program that encrypts a word, using substitution. I already try several things but i can't get it work. can anybody help me? for example the normal key is a,b,c,d,e and …

cprogram i doing mca so i do one program the defination is: do binary addition of 8 bit number