[c] Forum Topics

#include<iostream> #include <iomanip> //#include<fstream> using namespace std; int main() { int input = 1; int matrix[3][4]; int trans [4][3]; for(int i=0; i<3; i++) //This loops on the rows. { for(int j=0; j<4; j++) //This loops on the columns { matrix[i][j] = input; input++; } } for(int i=0; i<3; i++) //This …

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 …

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 …

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,,,

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 …

I'm trying to think of a way to compare a string of multiple words and take each individual word to a dictionary. I have a binary search already coded but it's just breaking the string apart I'm having trouble with. I have to use C-Style Strings (character arrays). For instance …

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... …

Is there still a "noparse" option? I tried posting the following in the C forum (let's see if it works here). Error message is as below. > The code snippet in your post is formatted incorrectly. Please use the Code button in the editor toolbar when posting whitespace-sensitive text or …

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 …

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 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 this function is supposed to accept a user inputted string, and the amount it is supposed to be transposed by 'x' amount (between 0-25). The idea behind transposition is that if the user enters "abc" for the string and then wants to transpose it by 1. The new string …

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.

i am using masm to write assebmly language codes. can you please tell that how can i change binary numbers to its ascii ? like 10 is given what will be its ascii value ? i know that 30h is ascii value of 0 ans so on. please help.

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

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 …

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 …

hey sir, i need your help to solve a program? question is= write a program for assesment system of university. the basic idea is to calculate the GPA of each subject and then calculate the GPA of whole semester and the basic of that GPA calculate the grade and remarks? …

i need to copy the pixels from one image to another not all the pixels int copy(image2,i,j,image1 k,j) and return the image2 how to write the function completely

Hello, I'm new in C. I'm getting warning: warning: format '%s' expects type 'char \*', but argument 2 has type 'char (\*)[256]' Here is the code: typedef struct { char operation[256]; char value[256]; unsigned long long key; } Input; int main() { Input input; while (scanf("%s",&input.operation) !=EOF) { if (input.operation[0]=='+') …

hello everyone, im having a headache with this error im getting, im trying to read a number from a file but inside a Switch(case) statement but im getting alot of erros only inside the case and i cant figure out why if my open file code is correct (as far …

just writing and testing the code using arrays, int main() { int i,n; int arr[14]; printf("\nEnter the array ",n); scanf("%d",&n); int lastindex = n-1; int *l; l = &lastindex; for(i = 0;i<n;i++) { scanf("%d",&arr[i]); } for(i = 0;i<n;i++) printf("\n%d\n",arr[i]); printf("%d",*l); //arr[i] = lastindex + 2; //printf("\n%d",arr[i]); if(arr[lastindex[arr]] < lastindex) { …

In this program i have put numeric value in char variable. Trying to observe what happens when using %d and %c specifier. void main() { char ch=23; printf("value:%c",ch); getch(); } here when i use %d i get value:23 when i use %c i get some odd char. why the result …

I am trying to delete the leaf nodes in a bst which i have created non-recursively. The problem is when i am trying to delete the leaf node i hit a segmentation fault and i have no clue as to why its happening. I believe the code which i have …

Hi, I am trying to copy all contents from one directory over to another directory. This is the code I have so far: [CODE] #include <dirent.h> #include <errno.h> #include <fcntl.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/stat.h> #define MAXNAME 80 #define R_FLAGS O_RDONLY #define W_FLAGS (O_WRONLY | …

how to access a web service from a mobile POS Device application in c and to store the accessed data in the device to use it (like printing bills for a collection) when it is required.can anyone please give any guidance for the above requirement iam totally new with POS …

Hey guys, I'm building a program in C that can get powers of 2. The user inputs the value of n, and the program calculates 2^n. Here's the code #include <stdio.h> double power(int n) { int q; double c=2; for (q=n; q>1; q--) {c=2*c;} return c; } int main() { …

hetThe code is the executing fine,but i need to keep a pointer variable to return the last index of the array //for eg if i enter n as 20,my lastindex is 19,the pointer will return the lastindex... void sort(int a[],int *,int); void swap(int a[],int *,int,int); int main(void) { int i,n,a[100],b[100]; …

## im begginer of c language n working on turbo now days,please tell me how can i repeat a program after run one time. i use while but on press any key this program run every time no exit.please correct it ## main() { char again='y'; while(again=='y'||again=='Y') { int a,b; …

Q-1 Write a shell script in Unix that lists files from your current working directory · By modification time when called with lm · By access time when called with la. By default, the script should show the listing of all the files in the current directory. Q-2 Write a …

void main (void) { /* create three message queue */ mesgQueueId1 = msgQCreate(MAX_MESSAGES,MAX_MESSAGE_LENGTH,MSG_Q_FIFO); if((taskIdOne = taskSpawn("t1",90,0x100,20000,(FUNCPTR)t1,0,0,0,0,0,0,0,0,0,0)) == ERROR) printf("generating task1 failed\n"); if((taskIdThree = taskSpawn("t3",90,0x100,20000,(FUNCPTR)taskThrees,0,0,0,0,0,0,0,0,0,0)) == ERROR) printf("generating task3 failed\n"); } void t1(void) { timer_t task1; struct itimerspec value; value.it_value.tv_sec = 3; value.it_value.tv_nsec = 0; value.it_interval.tv_sec = 3; value.it_interval.tv_nsec = 0; …

Hey everyone, I never programmed before in no languages, but I would like to learn C, and I'm undecided on what book to read to learn from. I have no possible experience at all. May someone tell me as a beginner should I read either C Primer Plus by Prata? …