19,876 Topics
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 | I guess most of you would have seen the algorithm for the following problem: **Input:** Set of intervals(time) **Output:** Partion of intervals into minimum subsets such that no interval in a subset overlaps. **The Algorithm:** Sort intervals by start times and look them in this order, put each interval in … |
| | Calculate the total area and volume occupied by a cylinder. Correct or not? #include <stdio.h> #include <math.h> int main() { float At, V, r, h; printf("\n ===========Calculate the total area and volume occupied by a cylinder============\n"); printf("\n the base radius.......: "); scanf("%f", &r); printf("\n Cylinder height.: "); scanf("%f", &h); At … |
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 | i need help programming in quincy 2005 its about changing money for example i bought 2 $6 pencil and my money is $1000 grr.. dont know how to explain.. sorry for my bad english.. i forgot my notes at school and i need this code to pass it tommorow grr …  |
| | I've generated an application that uses images, the wheel of the mouse, a txt to obtain info and other things. On my computer and on others it runs flawlessly, but on other computers it runs different, the mouse doesn't work, it throws runtime errors, doesn't load any information from the … |
 | Hi I'm trying to undrestand socket functions.... (in C) arguments of bind() and accept() functions is ambiguous for me! signature of bind() : int bind(int sockfd, struct sockaddr *my_addr, int addrlen); // okay, no problem but in example's codes or in the program : bind (sockfd, (struct sockaddr *)& my_addr, … |
 | Hello All, long time no see, I'm seeking for websites that provides practices of C++ and Java examples for programming students, the idea is to give me a programming question to solve in order to train myself. thanks.  |
| | I know there are benchmarking programs that exist, but I've decided that as an exercise, I want to try and create some sort of simple benchmark program to test schedulers of my Raspberry Pi (CFQ, noop, deadline). I have been switching the schedulers and testing some linux commands using time … |
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| | how can i create my own library in turbo c\c++ compiler (v.3)  |
 | Hi, I want to write a sniffer program which sniffs the packet from a Unix socket. Is it possible? I have written a small server and client programs using unix socket (sockaddr_un). Now I want to write a sniffer program which sniffs the packet from the socket. Am not able … |
| | Hello world! I am requiring some assistance with my C# program, where I am getting an error message for having a form where the user would enter in text into a text box. I am trying to detect if the user has pressed the Enter key, and on doing so … |
| | Here is a code for those who wants Tic Tac Toe [CODE]#include <string.h> #include <stdio.h> #include <conio.h> #include <dos.h> #include <io.h> main() { //_setcursortype(_NOCURSOR); int x1=0, x2=0, x3=0, x4=0, x5=0, x6=0, x7=0, x8=0, x9=0; int o1=0, o2=0, o3=0, o4=0, o5=0, o6=0, o7=0, o8=0, o9=0; int a1=0, a2=0, a3=0, a4=0, a5=0, … |
| | Hello Guys Well I'm working on a lottery game and I would like to ask something because I don't know how to test the sequence of numbers before to print out!! All I need is to check the series of numbers in the arrays before the program prints out a … |
| | Hey people! Can you please help me with this problem? I am so stuck on it and my instructor gave me hints on what I should do. No arrays or anything crazy yet, I'm still a beginer. 1.) Write a program that will compute average word length (average number of … |
| | Hello guys, i have an .txt file like this -- Brasil Portugal Chile Espanha -- And i have to read this and put it in a array, i've been looking for this all day, but everyone ask me to do this in C++ using getline(), the problem is that i … |
| | any suggestions on how to repalce the specific character with a different character within the string while running a loop? I am in a no prereq class and am not really connecting with this programming, any help, suggestions, tips on the specifically the replacment issue? |
| | This is my problem. I am taking a class that is designed to be an independant study and the book only touches on the surface of the ideas covered. this code is a project that i am stuck on and cant really find any help anywhere else so i am … |
| | Detect keyloggers and delete Keyloggers used code : GetAsyncKeyState function |
 | hi gyes. can any help me how to save text with font and color using richtextbox, and open with same font and color in richtextbox. i'm using .RTF file type, but it doesn't work.  |
| | I'm trying to parse equations like these which only has two values or the square root of a certain value from a text file: 100+100 -100-100 -(100)+(-100) sqrt(100) by the minues signs, parenthesis and the operator symbol in the middle and the square root, and i have no idea how …  |
| | Hey i was just writing a simple server i'm using accept() in a loop to emit constant greeting but i dont know why my code stucks at single send() i mean it asks for input only once --> it asks for input --> i give input--> it emits succsfully to … |
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| | My code is to open a window.(SDK)(dev c++, orwell) Instead of five seconds it takes a few milliseconds. Please help solve the problem. Just few day ago it worked but now ti does'nt. #include "SDL.h" //cool graphics API. Only works with 32 bit for me. #include <stdio.h> typedef struct // … |
| | ` #include<stdio.h> #define MAXLINE 1000 int getline(char line[],int maxline); void copy(char to[],char from[]); /*print longest input line*/ main() { int len; /*current line length*/ int max; /*maximum length seen so far*/ char line[MAXLINE]; /*current input line*/ char longest[MAXLINE]; /*longest line saved here*/ max=0; while(len=getline(line,MAXLINE)>0) if(len>max) { max=len; copy(longest,line); } if … |
| | Hi! I'm working on a hobby OS. Almost every time I try to link my files I get a 'undefined reference to' error. As I've been trying to compile with different compilers, the errors generated by the linker changes. I have only been using different ports of the GNU compilers. … |
 | Hi guys i have this code for multicast with encryption and decryption with DES(shared key) i think encryption goes ok but decryption not working and i can't find the problem both codes compiles fine without problem when i execute them encryption works but decryption not PLS HELP ME!!!... here is … |
| | I need to copy modified data that is stored in an char* to another char* but I get an access violation error. Here is the code int EncryptData(char *data_source, char *data_cipher, size_t sizeofdata) { char *tmp_data; long long int digit; tmp_data = new char[sizeofdata]; /* Do some calculations here with … |
| | Hi everyone, i'm working with tao framework and i trying to make animation for my models from glut libraries but animation with using glut doesn't work (after compiling program closes) :( I tried found exception by try-catch but there are not exceptions. If drawing across vertex that animation will work. … |
| | **Question 1:** I want to create a save file for a game im creating in C++ problem is i can only use the vanilla headers in dev-cpp (which spawns another question id like to have answered/suggestions), my main problem id like to get past, is how the easiest format/way of … |
| | Any code to take 2 ascii chars and put into 1 byte? 0x16 = ? byte |
| | As all of you can tell from the title, I need help understanding how to communicate to a USB port. Basically I need to send some bits to a usb micro controller and to do so I need to understand how you do it in C for both a Windows …  |
 | That program output (the chr is not a vowel ) everytime !! even if it's vowel #include <stdio.h> #include <conio.h> int main() { char ch; printf("Input a character\n"); scanf_s("%c", &ch); switch (ch) { case 'a': case 'A': case 'e': case 'E': case 'i': case 'I': case 'o': case 'O': case … |
 | i'm trying call the WM_DRAWITEM message from WM_KEYUP message without sucess :( bool KeyPressed(int a) { if(GetAsyncKeyState(a)) { return true; } else { return false; } } //in WM_KEYUP message if(KeyPressed(VK_MENU)==true) SendMessage(hButton, WM_DRAWITEM,NULL,NULL); what i'm doing wrong with SendMessage? |
| | Hay guys iam new to c programming and i was trying to do simple do you want to continue loop using do while loop the problem is the program doesn't read the char Y/N and just simply contiune the loop and here is the code what's wrong #include <stdio.h> #include … |
 | hello, could you tell me how to send ASCII control codes 8025T fagor controller eg <ENQ> and also read from the controller <DLE> character in c language. thanks  |
| | Is it possible to parse an ethernet frame to extract an ssl server certificate to determine the common name issued to?...Im not too familair with ssl records. |
| | I have a few questions. Server-client code with a (distributed) hash table. Give the peers their own port, own node-ID, predecessor and successor ( node-ID, IP and port of them). That's a snippet of it. port= argv[1]; ownNodeID = atoi(argv[2]); sucNodeID = atoi(argv[3]); sucIP = argv[4]; sucPort = argv[5]; preNodeID … |
| | I am working on a little hobby project, it reads user input and then stores it in a pointer to char array. The problem is that the output is not correct. So i dont know if it is the output, or the storing that is wrong. I am used to … |
| | I'm working on a rolling dice program. The rules are below. I'm not sure how to **reassign** a value. For example, a value of 1 and 2, would equal 1; a value of 3 and 4, would equal 2; and a value of 5 and 6, would equal 3. The … |
| | #include <stdio.h> void function1(void); void main () function1(); } void function1(void) { int a; int b; int c; int d; int i=0; int rooms; printf("enter number of rooms\n"); scanf("%d",&rooms); do { printf("Enter the price per meter of the tiles\n"); scanf("%d",&a); printf("Enter the length\n"); scanf("%d",&b); printf("Enter the breath\n"); scanf("%d",&c); printf("Enter the … |
| | #include <stdio.h> #include <stdlib.h> #include <string.h> FILE *data; struct node* L = NULL; struct nodeMail* M = NULL; struct nodeNr* N = NULL; struct nodeMail { char email[20]; nodeMail* next; }; struct nodeNr { char numri[10]; nodeNr* next; }; struct node { char emri[10], mbiemri[10]; nodeMail* email=NULL; nodeNr* numri=NULL; int … |
| | #include <stdio.h> void Merge(int *, int, int, int); void MergeSort(int *array, int left, int right) { int mid = (left + right) / 2; if (left < right) { MergeSort(array, left, mid); MergeSort(array, mid + 1, right); Merge(array, left, mid, right); } } void Merge(int *array, int left, int mid, … |
| | Friends i have little bit problem in making a c language program. I have to make a program which prints prime numbers from 1 to 500. I make this program but with while loop then i was told to make it using for loop, which i tried but failed. So … |
| | The program should insert a node that is a sum of next 2 nodes stdin: 2->7->4->9; stdout: 2->11->7->13->4->9; The program returns a segmentation fault,I'm not sure what seems to be the problem. void insert(Node * list){ if (list==NULL) { return; } for(; (list->next->next)!=NULL ; list=list->next){ Node* new=(Node*)malloc(sizeof(Node)); if(new == NULL) … |
 | Is it possible to dynamically use scanf to prompt for user input ? I have the code shown below scanf("%d %d %d %d", &myarray[row][0], &myarray[row][1], &myarray[row][2], &myarray[row][3]) which works fine when the number of columns is fixed but in my case it is not ! |
| | This Project is to implement some procedures doing the following: 1. Represent any graph using these input parameters: • A parameter to represent the graph by Adjacency Matrix, or Adjacency List. • A parameter to indicate whether the graph is directed, or undirected. • A parameter to indicate whether the … |
| | how can you write a program that returns the last integer of the inputted number from the keyboard by the user using recursion? |
| | I have a small code utilizing a hash table. Now I want to convert it, basically, to a distributed hash table. Hoever, I can not find out how you actually code one or what changes you make to an existing hash table...??? Can anyone please help me, please? I can … |
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