19,876 Topics
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| | Hello! I have an output problem with a program that I'm writing that takes a user inputed sentence and reverses the words within it. Right now the program compiles and runs without problem, but my output is different than what is intended. specifically, there is an extra newline placed after …  |
| | Credit card numbers follow certain patterns. A credit card number must have between 13 and 16 digits. It must start with: 4 for Visa cards 5 for Master cards 37 for American Express cards 6 for Discover cards In 1954, Hans Luhn of IBM proposed an algorithm for validating credit …  |
| | My teacher wants me to write a function called double cos(float); to compute the cos of an angle (given in radians) using the Taylor series shown. Your function should find the value of the cos for ANY angle (preferred) or at least angles up to 2 PI (Hint: if you … |
| | typedef struct zoz { int age; int mag; int suly; } nevsor_t; int olvas(nevsor_t * pnevsor) { return scanf("%d %d %d", &pnevsor->age, &pnevsor->mag, &pnevsor->suly); } int kiir(nevsor_t nevsor) { return printf("%d year\t%d cm\t%d kg\n", nevsor.age, nevsor.mag, nevsor.suly); } int sort_age(const void *a, const void *b) { struct nevsor_t *ia = … |
| | Hello! I have a question that I think might be simple to answer but I haven't found any documentation anywhere to confirm my suspicions. I pasted only the relevant portions of my code below to the question that I'm asking. My program is supposed to multiply two square matrices. The …  |
| | I need to do the following: input First and Last name Output initials. Output however many letters Input Middle name Output Full initials. then redo the process. input First and Last name Output initials. Output however many letters Input Middle name. Output Full initials. Example: Enter your first and last … |
| | #include <stdio.h> #include <ctype.h> #include <string.h> #include <stdlib.h> int compare(const void * a, const void * b) { return strcmp(a, b); } struct node { char name[51]; int index; }; /* 1.Sort the Array cities (which was copy of A) and Array B2 (which was copy of B). 2.Do binary … |
| | **My academic assignmentt ** **Please help me in coding for this assignment** In Linux Ubuntu flavor, write a program in C language to do the following tasks. 1) Use fork ( ) system call to create a child process. 2) Child process should first take student name as input and … |
| | Hello. I'm currently trying to split a char in MPLAB IDE, with a C compiler. We're working on a project and the only thing im missing is to split a char on the form: $GPGGA,071112.995,6023.0717,N,00520.1325,E,1,03,08.0,00110.1,M,43.8,M,,*6C Where i need to get out 071112.995,6023.0717 etc. But since I haven't had C before … |
| | Is there anyway to interrupt one program with another program? One program writes to a file, and the other one reads and prints a certain statement depending on what was read. I want the reading program to be interrupted when the writing program writes.  |
| | Im starting kernel programming and need info on the read and writing function to a /proc file. When a program writes to my /proc module, I need to store the contents. When I read the contents of the /proc file, it only return the most recent entry, and not the … |
| | i have a doubt in graphs whelther incident matrix and adjacency matrix r they same????? |
 | I am trying to solve a problem 3 on project euler. For thoes who don´t know the site, here is the question I am trying to solve: The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? ---------------------------------------- … |
| | I am new to this but i have downloaded and installed GMP library. The problem is that i have no clue on how to use it! Want to get a number larger than 18*10^18 (unsigned long long) but i dont know how! I am confused with all the mpz and … |
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| | Hello! I just started learning C a few weeks ago and I'm having a problem with a program I'm writing The program has to prompt the user for a certain number of values defined as NUM_VALUES, and then calculate the mean and standard deviation of the numbers. Here's what I … |
| | can anybody plz help me with this assignment plzz plzzzz plzzzzz The purpose of this assignment is to give you practice using loop statements, if ... and if ... else statements, practice writing functions, and program planning and development. You are to write a dice game for 3 players. The … |
| | Hi! I'm writing little software just to get some practice in c#. I have listview in form 1 where program displays first name and last name form access database. When admin selects name/surname in listvioew and press show usercard(form2) I have a label in form2 and I want it to … |
| | How can i extract information inside the switch statemnt to outside in c langauge.... for eg. i want the information of case 3 to display out the switch statement, then how can i do ? plz respond,,, |
| | Hi everyone ; i using to VS2008 -- devexpress V10.1.2 and MSSQL i make to same project .. my project setup is work my computer but same setup doest work to another computer error: ERROR DETAILS Following errors were detected during this operation. * [07.11.2012 02:17:57] System.Deployment.Application.InvalidDeploymentException (SignatureValidation) - Strong … |
| | hey, this is an assignment for school, the total task of the program was to accept a string, print the an uppercase version ofthe same string, count the number of vowels in the string and finally copy the identified vowels to a seconday stringto be printed. i have pretty much … |
 | #include <stdio.h> #include <stdlib.h> int main() { char word[50]; int wordLength, i, reverseCount; reverseCount = 0; system( " color F5 " ); printf( "\n How many letters does the word have? : " ); scanf( "%i", &wordLength ); printf( " \n Enter word, letter by letter " ); for( i …  |
| | Hi there every body, i am trying to build this contact list to hold records for a purpoted library but i got a little stuck with a few issues that i would like you guys to look at. The fifth switch(delete) statement does behave strangely i should say. When I … |
| | Hey guys I'm going through some questions, studying for exams and below is one which has had me stressing all afternoon. Consider a uniprocessor system executing concurrently two processes P and Q. Each process executes the code listed below, process P – procedure P, and process Q – procedure Q. …  |
| | Good day, i'm new in C.. can you give me some idea in how to program a moving cursor in the output screen and highlight the text... because i will use this in my coming final project in school.. we will make a system in TURBO C.. hoping for reply... … |
| | so my project is about handling images. we have back end codes in c. now we need a GUI.. in what language should we create our GUI so that we will be able to connect our c code with the GUI? swing , vb.net?? i have no idea |
| | the value of length is seven, word in file is hello, chosen_letter can be any that user guesses. chosen_letter is char ofcourse. my problem is when we type in character 'l' for chosen_letter and it only counts it once. also, the if-loop in the second while loop doesnt work. please … |
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| | Hi, recently i started taking lessons on c programming and my first assignment was to make programm which would name all the perfect multiperfect or superperfect numbers within a set (whose limits will be given as #define constants) and their percentage. Anyway apart from any logic errors (which i would … |
 | I'm not sure if this is a duplicate question, so if it is, please feel free to direct me in the proper place, but I couldn't find an answer to my question. I am currently trying to switch from using an array to a linked list. (This is for an … |
| | So for my program, I have to allow the user to enter a character then ask them how many of that character they want. I'm saving the character and the quantity into two different arrays. I've attached my code but when I go to display the array, it doesn't print …  |
| | I am having problems comparing the arrays in the following code. I commented where I "think" the problem is. Any help would be appreciated. #include <iostream> #include <conio.h> #include <cctype> using namespace std; const int NUM_QUESTIONS = 20; class TestGrader { private: char correctAnswers[NUM_QUESTIONS]; char studentAnswers[NUM_QUESTIONS]; public: void setKey (); …  |
| | I need help with this http://codepad.org/FNUci22s I am posting the ling of code pad because it has a way to execute it, so long story short. I use two different functions seno, sen (both for sin). When using the printf and adressing both to compare results I get from the … |
| | Basically I am asked to reinvent the wheel a.k.a. the uniq commmand. I have to write a code that returns the number of occurence of each line in a file. I've done it a lot of times in Python and Java with a simple for line in file if given_line … |
| | i want to write a simple programme with the function malloc on a function.. i want to write a function where i will have a table MAX(define the MAX) with strings and read it later i want to save every string on the table in that way that i don't … |
| | Just a simple question, might sound stupid even. :) If I write a C program that incorporates execv or fork, does it work properly if I run the program on Windows? I heard that they are associated with Linux based system.  |
| | Hi guys, so im required to write a programme that will make a table, along with the values and all and im also required to mark "X" at the minimum value of total time A+B (exactly beside the minimum value in the table). I tried using if statement but it … |
| | can someone teach me or show me how to code a program that can output color text?? thx :p |
 | There is a piece of code in Linux Device Driver 3rd edition: #undef PDEBUG /* undef it, just in case */ #ifdef SCULL_DEBUG # ifdef __KERNEL__ /* This one if debugging is on, and kernel space */ # define PDEBUG(fmt, args...) printk( KERN_DEBUG "scull: " fmt, ## args) # else … |
| | actually i tried a program like this #include <stdio.h> #include <stdlib.h> int main() { int a=8,b=3; a|=b; printf("%d",a); return 0; } i dont understand what happens here a|=b; i have used || this which is used for or but i dont understand wat happens above |
| | Hi guys so I am making function for my graphs (adjacency matrices) to return number of connected components using breadth first search algorithm. It almost works properly. It returns proper value if number of components is equal to number of vertices, but if number of components is smaller than number … |
| | just tell me will this sorting algorithm work out in linked list for(i=head;i!=null;i=i->next) for(j=i->next;j!=null;j=j->next) if(i->data>j->data) { temp=i->data; i->data=j->data; j->data=temp; } |
| | I have a program that gives me estimation of pi, and time elapsed depends on my input numbers. Can someone please tell me how to compile this? I have the code but it's mystery how to compile and r un it... * Compiler: * mpicc -g -Wall -o name name.c … |
 | garrett@mint-desktop ~ $ c++ -v Using built-in specs. COLLECT_GCC=c++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.3-1ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version … |
| | hi, i have started learning c for 1 week and i am using VS 2005. from tutorials i learned that size of char is 1 byte i am using 32bit system but i tried this program: # include<stdio.h> void main() { char a,b; a=0xfffffffffffffffe; //now a is holding 8bytes thst … |
| | please tell me what is the condition to use here.... if(CONDITION) printf("HELLO"); else printf("WORLD"); ok frnds now i want the output as HELLO WORLD |
| | //************************************ //Includes #include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> //************************************ //Globals int packed; //************************************ //Function Prototypes int pack_value(int value, int size, int low_bit); int unpack_value(int holder, int size, int low_bit); void get_date(int holder, int day, int month, int year); void get_permissions(int permission, int clas, int *read , int *write … |
| | Hey everyone, What book would be recommended to learn C++ between Prata C++ Primer Plus, or the C++ Programming Language by Bjarne Stroustrup? I believe C++ Primer Plus would cover everything, but does someone need expirence in order to read the book by Bjarne? Does the Bjarne book covers everything … |
| | Hello, I have the following pseudo code that I am trying to implement in Java. My issue is the pseudo code seems to be heavily C based and my C is very rusty. Could someone help me understand the following function? uint theFunction(BYTE* header) { UINT length; header = header … |
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