19,876 Topics
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| | For “YEAR” field, create a function to calculate the value (hint : use %)based on following categories: Year 1 : Sem 1 – Sem 3 Year 2 : Sem 4 – Sem 6 Year 3 : Sem 7 – Sem 9 so, we must convert from given semester number to … |
 | Here's the question. http://postimg.org/image/nmqrupznp/ And here's my program, #include <stdio.h> #include <string.h> void encrypt (char *text,char *map); void decrypt (char *text,char *map); int main() { int a,b; char c[]="abcdefghijklmnopqrstuvwxyz"; char d[]="thequickbrownfxjmpsvlazydg"; char *text; char *map; text=&c[0]; map=&d[0]; printf ("Encrypt press 1;Decrypt press 0.\n"); scanf ("%d",&b); if (b!=0&&b!=1) printf ("please enter …  |
 | can any1 tell me the logic of writing prog for union,intersection and ring sum of a graph and also pls tell me the symbols dat are used in progs  |
| | I have a class person, with a first name, last name...ect. The user is prompted a menu and I am having trouble with the option to delete a name. It seems the string variable is not getting updated when the user enters it and another prob is getting an infinite …  |
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| | Some good online tuts for Data Structures and Algorithms in C ??  |
 | can any one help me on this .what does this two for loop means 1.for(; x<9; x++) 2. for(;;) |
| | hi all !! i am new on that forum, and i have just started C++ programming, i know some basics. now i would like to start developping a program, i need some idea that could be evoluted everytime, so i work on it while i improve my programming skills. thanks … |
 | Hello, I'm wondering if I can get help to understand the behaviour of a PHP function: `dns_get_record()`. This returns an array with DNS records for the given domain name, here is an example of the output: php > print_r(dns_get_record('php.net', DNS_TXT)); Array ( [0] => Array ( [host] => php.net [type] … |
| | how can i keep track of new users to my website. for ex: X is visiting my web-site regularly, so for per week count, i have to count him only once and if Y has visited as new user, then up the count by one. so how can i keep … |
 | actually what i want to do is to take birthday as input from the user,taking 3 variables for date,month and year.what the probelm raised here is i what - or / to come automatically after the user has given his date and similarly between month and year without his special …  |
 | Write a program that converts numbers to words. For example, 895 results in "eight nine five." here are my codes: #include<stdio.h> #include<stdlib.h> int main() { printf(">>This program converts numbers to words :)\n"); int value; printf("Enter value: "); scanf("%d",&value); switch(value){ case 0: { printf("zero"); break;} case 1: { printf("one"); break;} case … |
 | edges.txt is used.it is the input adjacency list. 1 3 1 5 2 3 2 6 4 5 5 6 #include<stdio.h> #include<stdlib.h> #include<conio.h> int **adjL; int v,*arr; void dfs(int **adjL) { int j,i=0,temp,dfslabel=1,s=0,k=0,top=0; int stack[v]; int *flag; flag=(int*)calloc(v+1,sizeof(int)); for(i=0;i<=v;i++) flag[i]=0; stack[++top]=1; flag[1]=3; stack[top]=1; while(1) { if(i==arr[stack[top]-1]) { printf("examination of %d … |
| | I do c language "httpd" application works without problems at first. 1. meet user requests from nginx ago 2. Looking to requests from. Directs incoming requests according to the address 127.0.0.1:8080 But how can I solve the query is loaded when the crash occurred. #include <stdio.h> #include <stdlib.h> #include <string.h> … |
| | Hello, I have been researching the minimax algorithm for a few days, but I can't apply it properly. I have read that for the 8 lines in Tic Tac Toe, you give certain scores. However, I don't understand what they are trying to tell me. Could I have a simple … |
 | probably doing something fundamentally wrong , but im used to the luxury of java's `System.currentTimeMillis()` or `System.nanoTime()` unfortunately. i have a code that i posted before for a different problem (couldnt compile properly in pelles C) , but now , although its compiling well and good , my clock outputs … |
| | Here is what i coded for a simple binary to octal converion. If no of digits in binary are multiple of 3 then it works fine but get crashed otherwise . . . . am not able to figure our how to pad up for the grouping of 3 when … |
| | Hi! what is wrong with the following function? void foo(*ptr){ char buff[127]; ctrcpy(*ptr,buff); } I know that it doesn't really do something... it's for information purpose only.... Thanx!! |
| | I posted a question about algorithms for Tic Tac Toe's invincible AI (that never loses, only wins or ties), and found a scoring method. Here is the code I came up with. As of this moment it takes the next available space, so the scoring appears not to be working. … |
| | Dear Friends: I need some help to identify the error. When I compile my application I get the following error message: Error 1 error C2678: binary '==' : no operator found which takes a left-hand operand of type 'extPersonType' (or there is no acceptable conversion) f:\college material\cs270\sourcecode\addressbook\addressbook\arrayListType.h 251 1 AddressBook … |
| | The simplest way is now friends with this command when running this sample compiled #include <stdio.h> #include "fcgi_stdio.h" int main(int argc, char *argv[]) { while(FCGI_Accept() >= 0) { printf("Content-Type: text/html; charset=UTF-8"); printf("<center><br><br>Hello World Wide Web</center>"); } return 0; } **operation type:** cgi-fcgi -start -connect localhost:9000 ./hello After you run this … |
| | [B]This will works Recusivly and easily[/B]  |
| | #include<stdio.h> #include<conio.h> #include<string.h> struct student { int*ptr[23]; char*name[12];//store address of character string }s1; void main() { int roll=20; //char n='s'; s1.ptr=&roll;//ERROR s1.name="zahid ali";//ERROR printf("roll no of student :%d\n",*s1.ptr); printf("name of student:%s\n",s1.name); getch(); }//plase coorect this error |
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| | Write a program that displays the outline of a box five characters wide and five characters tall. Use the ‘*’ character for the box outline. here are my codes: #include <stdio.h> #include <stdlib.h> int main() { printf("%c\v", '*'); printf("%c\v", '*'); printf("%c\v", '*'); printf("%c\v", '*'); printf("%c\n", '*'); printf("%c%8c\n", '*','*'); printf("%c%8c\n", '*','*'); … |
| | Hi, i have a problem here i am trying to write to a file through fwrite and read through fread functions. it asks me to enter 5 values with no problem but when i trying to read from a file it prints 6 values, the 5th values prints twice what's … |
| | Write a program to calculate the estimated journey time of a train. The program should request and read the distance in miles and the average speed in miles per hour, and display the estimated journey time in hours and minutes to the nearest minute. Test your program with: a) Distance …  |
 | Hello all, I am new to Glut, and I have made a program in C to draw lines and triangle using bresenham algorithm. But, when i run the code, the display function is called 3 times automatically. I want it to run only once. If I give input for one … |
 | As i work through my code, i notice a little error message as i try to compile/build my code. It says that the PDB File is missing. Can someone explain to me what is a PDB file and how do i make it "visible" in order to keep the error … |
| | I have been reading the head first book about C and I am having a bit of problem with one of the given examples. The example is shown talking about a "code magnet" for a game of blackjack. I went to try out the code and tried to make my … |
| | Today I am going to show you how to create a C project in Visual Studios. ***Step 1.*** Launch Visual Studios and select **Visual C++** in the start window. In the Visual C++ section, click on **Win32 Console Application**. Give your project a name and click submit. *Step 2.* A … |
 | I created a simple password program which takes a string when its invoked, and prints thank you if its correct. Now I want to write a brute forcer. The password is a 4 blocks 4 digit password ( example 1234 5678 9012 3456, so its called like this C:\>pass 1234 … |
| | This is a shameful question for me to ask but how do i keep the debug window open... it keeps on closing automatically rather than me closing it manually. I am using visual studios and it used to work when I just simply click (ctrl + f5). I doesn't work … |
| | How do i create a c project properly in visual studios. They (Youtube) say to click on the C++ button and change it from .cpp to .c. But when I debug my code to see my code compiled, I get an error saying that a PDB file is missing. What … |
| | Hi, I have written a c code that finds euclidean distance between corresponding elements of two 2D arrays. i have taken two text files like this.. 9.0444 0.083404 -0.30599 -0.21367 -0.032527 -0.048789 -0.17683 -0.10523 0.050547 -0.028377 -0.06061 -0.0011242 -0.031838 9.164 0.18631 -0.3277 -0.1631 -0.014165 -0.041347 -0.063973 -0.059217 0.1422 -0.076865 -0.22507 … |
| | while trying to compare times between two different ways of determing whether a number is odd/even without using modulo, i thought of using `long long int`s which my codeblocks compiler aint supports . and so i installed pelles c.( supports c99/c11 which inturn supports long long stuff.. ) and im … |
| | i want to write a C logic which would do the scnning the entire host in the network. i hve got IP address ,subnet mask and networka address till now by my code. But i don't know how to start..i want the functioanlity similar to NMAP. yours sincerely aditya prakash |
| | This function takes a string and an output buffer and a desired width. It then copies the string to the buffer, inserting a new line character when a certain line length is reached. If the end of the line is in the middle of a word, it will backtrack along … |
| | Here is a linked list code in C , It does not give expected output . Input NUMBER OF ELEMENTS -3 but it takes only 2 element and prints them with an extra zero. here is the output **ENTER THE NUMBER OF ELEMENTS 3 1 2 The list contains 0 … |
| | What is the best multiplication algorithm which has lower time complexity than Strassen's multiplication algorithm??  |
| | can you please explain me what exactly it is ? i have read from my book, wiki link and 1 more link. i got some basic things, can you tell me how exactly this helps process and OS ? how this thing help us to implement cache ? i think … |
| | Hello guys, I need to make a C program that reads a text file for example the following sentence: 5 + 7, 10-15 ... (etc.), and show the result. I managed to make it solve part of the problem. The program is making the sum of the first line. But … |
| | Hello everyone, new user here and not a frequent user of C so please don't be harsh at me :P What I'm trying to do is read some data from a txt file, like these: > XX10X11110100X0011111XX1011101X101111XX1X1X1111X11X110111110XX11,000 > 010101100XX1110000110X00110111100010XX001101101X1011X10XX0X0XX01,001 and copy them to 2 string arrays. The first array's first … |
| | We are able to capture the whole packet hex values. The issue now from the hex values we want to dissect the level 3 protocol, application level protocol and also if the url value is present in the packet. How best to achieve this in C? |
| | for a basic ascii checker code of less than 10 lines , i want to print out stuff immediately , instead of after a newline. i understand that stdout is a bufferedstream , and so it will by default wait for a '\n'. i was looking at [this](http://stackoverflow.com/questions/1716296/why-does-printf-not-flush-after-the-call-unless-a-newline-is-in-the-format-strin) page for … |
| | #include<stdio.h> #include<conio.h> struct Book { char bname[20]; int pages; char author[20]; float price; }b1[3]; void main() { struct Book b1[3]={ {"BOOK1",700,"ypk",12.98}, {"BOOK2",500,"aak",350.00}, {"BOOk3",120,"HST",450} }; for(int i=0;i>3;i++) printf("%d\n",b1[i]); getch(); } iwant output book1 700 ypk 12.98 book2 500 aak 350.00 book3 120 hst 450. |
| | I'm getting a syntax error that's confusing me beyond belief. I'm using MinGW on Windows XP(32-bit), and Notepad++ for a text editor. "Syntax error before unexpected token '('" Originally, I thought it may have been something in the code I was trying to compile, so I wrote a simple "hello … |
| | I need help reading my arp replies. When writing requests to the socket, I cant get replies related to what I sent..Ideas #include <stdio.h> #include <ctype.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <netdb.h> #include <sys/socket.h> #include <arpa/inet.h> #include <linux/if_ether.h> #define ETH_HW_ADDR_LEN 6 #define IP_ADDR_LEN 4 #define ARP_FRAME_TYPE 0x0806 #define … |
 | Hi guys, I'm working on a side project for a friend and I'm looking for a C++ library that allows me to put bunch of paragraphs in a PDF format. Anyone know any good libraries that can do this as simply as possible? It will be just paragraphs and paragraphs … |
| | #include<stdio.h> #include<stdlib.h> #include<string.h> static int compare(const void *x,const void *y){ return strcmp(*(const char**)x, *(const char**)y); } int main(){ FILE *p = fopen("file.txt","w"); char ch = '\0',**c = (char**)calloc(6,sizeof(char*)); int n[6]={0},i=0,j=0; fprintf(p,"jack\nakki\njohn\nrachael\nrobin\ntom"); fclose(p); p = fopen("file.txt","r"); while(1){ while((ch=getc(p))!= '\n'){ if(ch == EOF) break; putchar(ch); n[i]++; } printf(" %d\n",n[i]); if(ch == EOF) … |
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