[c] Forum Topics

I have a problem with this code. Why this shows random symbols when i give view data ! ?[CODE]#include<iostream> #include<conio.h> #include<windows.h> #include "gotoxy.h" #include<cstdio> #include<cstring> #include<cstdlib> #include<fstream.h> using namespace std; //function declarations void out(char *); void matrix(int,int); class student { public: //class variable declaration in public part int roll,fee,ht,wt; char …

[COLOR="Red"][B]ATTENTION!!!!!!!!!!!![/B][/COLOR] [B]HELP..........NEEDssssssssss............[/B] [B][U]how can I implement the C code of the descending tree and ascending tree of PRAM.....in openMp.........?????[/U][/B]

[CODE] #include<stdio.h> #include<conio.h> #include<stdlib.h> struct node {struct node * left; struct node * right; int info; }; typedef struct node node; node * root=NULL,*loc,*par,*save,*child; int item; void pre(node *); void in(node *); void post(node *); void find() { node * ptr; loc=root; par=NULL; if(root==NULL) { loc=NULL; par=NULL; return; } if(root->info==item) …

Hi, I need to read unsigned integer and I want to read it number by number. I did this function. But it has "one bug". It can't read number like 4 294 967 295. Max what it reads is like 4 294 967 29. It's because I multiplied it by …

I started working on a select server and am encountering some issues. Heres the problem; I ran an strace on my select server and i fired it up and it creates the socket, binds, listens, and select waits for input. When you connect the client, select adds a file descriptor …

I have a list of productions. There are several instances of left recursion in it. I'm having trouble eliminating them even after reading my notes and the textbook on it. *Production* (With AST definition) MuMu-program: declaration-list; stmt-seq {Mumuprog l: id r: stmt} stmt: id := expr {assstmt l: id r: …

Hi folks, I want to check two dates. The date format [MMDDYYYY]. for e.g., 01252000 . I want separate the day , month, and year into a integer. How can i do this?

Hi folks, this is my code. I'm passing a date string [MMDDYYYY](e.g., 01022000) to the function check periods. Now i send the date to sepdate function. This function should separate the dates. if i print the returned array, am getting wrong answer. [CODE] int *sepdate(char *date) { long int dt; …

This is what I have so far. I have to create array of 10 int values as local variable then iterate through the array elements using pointer, print address, and value of the each item. But this is my output. It should print values from 0 to 10, but mine …

Having trouble trying to read characters from a file into a 2D array. I know this topic has been discussed before but your help will be greatly appreciated. I know there is more efficient ways of writing the entire code but im not that familiar with programing. Any suggestions are …

i want to do a project in c programming.. what topic should i choose and what all should i include to make it look decent?

Hello , i have read the manual page of alloca , it is documented there that "alloca works similar to the malloc but it allocates memory from stack and frees automatically. i can't get how can i use that in a program . if i'm not wrong can i use …

i am akila from tamil nadu, India.. i want to learn more about c and c++, which is the cause that i have joined this community.. am also interested in other software things, but dont know about any softwares.. :(

Just a beginner trying to learn C language, for sure Daniweb would be of great help =))

Below I have attached my code. The problem I am having is that I do not think it is properly computing the sum. It seems as if its missing a number or something along those lines. The program is supposed to read an input number, n, which must be a …

Hi all, In c,i want to split string into array. Example: char *string="abcdefgh"; into char arrays like 'ab','cd','ef','gh'. Any suggestions or ideas are welcome...

HI how can store multiple array into one array [CODE] int id[5] = { 1,2,3,4,5,6}; int size[5] = {35,76,85,78}; int PerBox[5] = {12,24,44,54}; double Price[5] = {3.32,6.76, 13.45,6.08,7.8}; int item[200],i; for(i=0;i<4;i++) { item[i] = {id, size, PerBox, Price}; } [/CODE] each element should store id, size, perbox, price and output: …

From a text file, i should get the necessary information in order to create a beat map, a representation of what we see in music sheets, from this text file: [CODE]3 measures 3 4 time signature 4 beats 4 note, measure 1 3 note, measure 1 1R rest, measure 1 …

I am supposed to read a text file containing "lyrics", then format it out based on special symbols like +,-,[] and spaces. Here's the lyrics syntax: [B]Spaces are significant:[/B] A single space between two words makes the two words go in two successive beats. Each additional space causes the lyric …

Hi, Am very very struct is there possible way to multiple variable into one element in array c and is there posible to do case statement with array. What I try to if max capacity of ship is less than max capacity of harbour but I need to check every …

I have the following code example (in windows): [CODE] int fd = _dup(fileno(stdout)); freopen("tmp","w",stdout); printf("1111"); close(stdout); char buf[100]; FILE *fp; fp = fopen("tmp","r");//in this line fd turns to be 0 if(NULL == fp) return -1; fgets(buf,100 , fp) != NULL ); fclose(fp); [/CODE] I need the value of fd for …

So my problem is writing a program that asks the user to input a number wich is stored with scanf then print the binary representation of that number in 32 bits, as in if the number is 1 i would need 31 0's and a 1. [CODE]#include <stdio.h> void dec_bin(long …

Can someone help me in building a syntax for this problem Write a program that accepts a positive integer and gives its prime factorization that expresses the integer as a product of primes. Here's one that I did: [CODE] #include<stdio.h> #include<conio.h> void main() int N,R; clrscr(); printf("Please enter a no.:\n"); …

hello daniweb... i got my head struck with the code, and unable to understand the output.please help.. [CODE] int main(void) { float i=3.3; if(i < 3.3) printf("hy"); else printf("bye"); return 0; } [/CODE] output should by bye as 3.3 < 3.3 condition false , but why it is printing hy. …

This is a part of the code not working properly, i first converted an array integer (containing a binary value) to an integer and convert it into an octal value: here is the code: Note: this section of code does not give an output at all. [CODE]/**************************************** CONVERSION FROM DECIMAL …

I'm testing this sample fast food chain program and my problem is every time I select the order the resulting price is like Php895764796364227741000000000000000.0000 Here's the code: [CODE] #include<stdio.h> main() { int choice; float TP; clrscr(); printf("Welcome to Greenwich!\n\n"); printf("This is our menu:\n"); printf("1. Overloaded Pizzas\n"); printf("2. Extreme Cheese Overload\n"); …

Can someone help me with my program. I have the code but there are some logical errors. The program should contain 100 numbers that have a menu, first the user should input a number then the menu will show: 1. it adds again a number, 2. it displays all the …

[CODE]#include<stdio.h> int main() { int n,i,c=0; printf("\nEnter a no:"); scanf("%d",&n); for(i=1;i<n;i++) { if(n%i==0) { c=c+i; } } if(n==c) printf("\nPerfect no."); else printf("\nNot a perfect no."); }[/CODE]

Hi, I have problem passing array from main to another function Here is my code [CODE] #include <stdio.h> #include <string.h> # define Line_size 200 int processing(int lineCount, char harbour[Line_size][Line_size]) { int i; for(i=0;i<lineCount;i++) { printf("%s", harbour[i]); } } int main ( void ) { static const char filename[] = "data.txt"; …

Hi frnz , i need a code for 2^n and suppose user enter n = 4 , so the output will be 16 . Now whatever output we will get i need sum of numbers in that output e.g here we have 16 i.e 1 + 6 = 7 . …

Hi there) Guys , as I understand - this is c++ code = [CODE]int WINAPI WinMain(HINSTANCE hInst,HINSTANCE,LPSTR,int ss) { /* создаем и регистрируем класс главного окна */ WNDCLASS wc; wc.style=0; wc.lpfnWndProc=MainWinProc; wc.cbClsExtra=wc.cbWndExtra=0; wc.hInstance=hInst; wc.hIcon=NULL; wc.hCursor=NULL; wc.hbrBackground=(HBRUSH)(COLOR_WINDOW+1); wc.lpszMenuName=NULL; wc.lpszClassName="Example 4 MainWnd Class"; if (!RegisterClass(&wc)) return FALSE;[/CODE] but tell me please - …

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Hi, How to read line by line of text file and store to array C data.txt example [CODE] 1234 25500 24000 1 1345 23523 21209 5 9865 12389 600 98 .... [/CODE] and sorted in order by last column I try everything and it not working Thank

Can someone please check my syntax? Thanks. The program runs but the output has some kind of error. Thanks. [CODE] #include<stdio.h> #include<conio.h> #include<string.h> void Pig_Latin_Converter() { char str[50]; char nv[50]="yay"; char c[50]="ay"; char key[]="aeiou"; char keys[]="bcdfghjklmnpqrstvwxyz"; char test[20]; char *p=str; scanf("%s",str); { p=strpbrk(str,key); if(str!=p) { strcat(str,nv); printf("Output: %s", str); } …

I am having a problem and hopefully you guys can help me out.. I need to count the frequency of a character in a string(option 5 in the program. I can do this part however i cannot get my program to count anything that is in uppercase. It only does …

why we need to avoid using scanf to read a character???? can anyone explain it clearly??

Hello. I am wondering how to split a string lets say char *a="raining apples training away" using a delimiter like "g a" and the result will be: rainin pples trainin way I tried using strstr but I got stuck. Any hints will be greatly appreciated. Thank you in advance!

help how to count the remaining letters from the similar.. Example.. carl, 2 barbie, 4 [CODE]#include<iostream.h> #include<string.h> #include<conio.h> #include<stdio.h> int findSimilar(char[],char[]); void checkValue(int,int); int main(){ char boy[50]; char girl[50]; int similarInBoy=0; int similarInGirl=0; int total; clrscr(); printf("Enter Boy's Name: "); gets(boy); fflush(stdin); printf("Enter Girl's Name: "); gets(girl); fflush(stdin); similarInBoy=findSimilar(boy,girl); similarInGirl=findSimilar(girl,boy); …

Hello fellow members of daniweb, I've been rattling my brain for some time now on how to use a number code of sorts to output the name of a person, sort of like a id system. I'd really appreciate if someone or anyone could help me with this predicament. Thank …

Hi, im very new to programming so i need some help. Im currently trying to read the memory directly using pointers, for example 23 stored in the memory for a float variable is: 41b80000 is there any way i can directly read this value from the memory and store it …

what does fflush do?? what fflush(stdin)means??

Hello, I have a problem with the atan2 function. I have 2 programs, one in C and one in Matlab. Both have an identical implementation. My problem is that I am getting occasionally different values from the atan2 function in C and Matlab. For instance: x=0.29695007709080329 y= -0.96764419257510348 Matlab atan2= …

Hi, i use visual studio and i want to know how i can create c projects, there is no any option for c, only for C++

printf("Input an integer"); scanf("%d",&int); i want my int to accept integer only.. how can i do that? tnx in advance :)

hi my program should implement queue using stack h make a code but i still have error if an one can tell me what is he error [CODE]#include<stdio.h> #include<conio.h> #include<process.h> int in_top=-1; int out_top=-1; void in_stack_push(int item); int in_stack_pop(); void out_stack_push(); int out_stack_pop(); int insert_queue[20],delete_queue[20]; void main() { int i,ch,item; …

Im rewriting an "ls" command to show my directories in one color and files in another for easy notice..currently my stat calls are failing, and I dont know why? [CODE] #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include <dirent.h> #include <sys/stat.h> #include <sys/types.h> #define TRUE 1 #define FALSE 0 …

Hi, I have a bit of problem to store array from text file, It compile but result is not correct. it will store array when Max Capacity of ship is greater than harbour capacity here is my code [CODE] #include <stdio.h> int loadShip(void) { FILE *fp, *fp1; //char filename; int …

How can we access hard disk addresses from c language, accessing ram address is easy? Also can we access MBR of NTFS through c , just a bit dissusion required for starting my work? Thank You All in Advance.....

explain the output:-- [CODE] int main(void) { int a=10,b; a=a+b-(b=a); printf("%d",a); } [/CODE] I am not understanding it. the precedence of bracket() is greater so b is assigned to a so expression becomes- a=a+a-a which should be equal to a but it is not why?

[CODE]#include <stdio.h> #include <stdlib.h> int twento(void); int main(int argc, char *argv[]) { int number1,number2,sum1=0,sum2=0; do{ printf("Player 1 you start to play:\n"); number1=twento(); sum1 = number1 + sum1; printf("Player1 Your sum is %d\n",sum1); printf("Player2 Your turn to play:\n"); number2=twento(); sum2=number2+sum2; printf("Player2 Your sum is: %d\n",sum2); if (sum1==21)printf("\nPlayer1 You win"); else if(sum2==21)printf("Player2 …