18,490 Topics
Hi all, Im trying to write a program that minimizes a Transition Graph (its basically combining states with similar numbers). Basically, the algorithm is to first find states with the same 'a' and 'b' inputs, combine them, remove them from the 'leftovers' list, then find states that have either 'a' …
I am making a text editor in c language.I need a help for moving characters left,right,up and down.I am using turbo c compiler and i want code for navigation and not an ascii key codes.... please help me with this as soon as possible....
pleas help me Write an algorithm to add and multiply two large integers, which cannot be represented by built-in types.
hello i was trying to do one of my assignments but i got stuck at sorting my strut arrays elements by alphabetical order. here is the code that i have dose so far but after this even reading as much as i can, i can not get to go any …
I am trying read CSV files in a C program on an AIX system. I am having problems getting fscanf to recognize the comma delimeter. I have read previous posts on this issue, and used the techniques dicussed in those threads, but I am still having the issue. Specifically, this …
I have two files which goes like this : FILE A is : J5 J15 J25 J30 J35 and FILE B is: J0 23 56 J5 24 58 J10 26 60 J15 29 63 J20 31 36 J25 23 32 J30 51 14 J35 34 21 J40 46 12 The …
Hello All, I have a small doubt w.r.t using mutex locks. Say we have a thread-safe function: int counter; void foo() { LOCK_MUTEX(); // say by pthread_mutex_lock ++counter; UNLOCK_MUTEX(); } Now, i understand that this is thread safe because only one thread can "own" a mutex at a time and …
Hi guys, This is not related to syntax or runtime problem. What I am going ask is more about how Linux and Windows handle writing data from buffer to a file. I have this code here, wrapped around a timing block, to write a buffer to a file. StartCounter(); if(rows …
Having a small a problem with an array value here is the code:i want the array(totalwin) to store the value of the calulation each time it repeats say 10 times.I tried using the for loop but the values are not stored in the array what am i doing wrong. // …
> Hello Can Someone please help me with this problem. This is what i have sofar but i am not sure whats missing or how to end it please help. A solid steel column of circular cross section is needed to support a load of 65,000 lb. The ends of …
Well, I have just made this funtion that will split an array using a delimiter. I'm new to C++ so I will take any suggestions you have. Anyhow, good luck! Enjoy!
Hello there people. I am pretty new in C and programming in general. I was trying to make a password checking programme and I seem to be stuck. int main (void) {char ch; while ((ch=getchar()) != EOF){ This is the beginning of my code and whenever I try to type …
#include<stdio.h> int myatoi(const char *string); int main(int argc, char* argv[]) { printf("\n%d\n", myatoi("1998")); getch(); return(0); } int myatoi(const char* string) { int value = 0; if (string) { while (*string && (*string <= '9' && *string >= '0')) { value = (value * 10) + (*string - '0'); string++; } …
Given an array A of n integers, give an eficient algorithm to check whether there are two numbers in A whose sum is zero. [
Alright so im supposed to represent an airline. total # of seats is 10. Passangers can choose whether to sit in first or economy. This is what i have so far. If you try the program and try to go from first to economy you will see that it skips …
[CODE]#include <conio.h> #include <graphics.h> #include <stdlib.h> #include <stdio.h> void main (int) { int gdriver=DETECT,gmode,errorcode; //Requesting auto-detection. int midx,midy,x; //Initializing graphics and local variables. initgraph(&gdriver,&gmode,"d:\\bc3\\bgi"); //Reading result of initialization. errorcode=graphresult(); if(errorcode!=grOk) //An error occurred. { printf("Graphics error occurred : %s \n",grapherrormsg(errorcode)); printf("Press any key to stop : "); getch(); exit(1); //Terminate …
a simple code to know how graphics like window, buttons,menu,task bar etc used in window os in c language
Write a code snippet to declare and accept an integer and calculate the cube value of the integer. The integer should be passed by reference to a function cube(). The function would calculate the result of cubing the integer. The function prototype to be used is: void cube (int *p); …
1) The & symbol in C returns the address of a variable. 2) In the expression, `printf(“%d”, (ans > val)? z : w);` displays the value of w if the condition is true. 3) In the expression, `for( ; a>b; )` A semicolon on its own indicates a null statement. …
Write a code snippet to declare and accept an integer and calculate the cube value of the integer. The integer should be passed by reference to a function cube(). The function would calculate the result of cubing the integer. The function prototype to be used is: void cube (int *p); …
I'm able to import the file and read it, but I don't think it's saving to the structure. I want to figure out how to save it within the structure so I can search/ delete the contacts. The unfortunately lengthy code is below: #include <stdio.h> #include <string.h> #include <stdlib.h> #include …
I can't figure out why a gives a value of 0, Can anyone explain? Thanks in advance. The output for this program is 770 include<stdio.h> include<stdlib.h> int a,b; void mystery(){ while(b>0){ int a; a=a+10; b=b-1; } } int main(){ a=7; b=a; printf("%d\n",a); mystery(); printf("%d\n",a); printf("%d\n",b); system("pause") return 0; }
please help me choose an title to do a package using **binary tree** or **multiply linked** list data structure....
Hi Sir Referance to the previous article "C++ Help With Smallest Denominations of Coin Change" you suggested to use the code " CoinChanger::CoinChanger() ". And when I use it , it appear the error message " expected function body after function declarator" so could you please advise me regarding this …
Alright to add the ability to import files into a phonebook app that I created, but my issue im having is when I just add a counter to loop through the function that pulls the data from the file, it prints out names many different times, in different orders. I …
I am very new to programming language and need help urgently. I am running a program which gives me one output file for every 5 min simulation. i have to copy and rename the output file in each step so that they can be used in another program . Any …
hi I need some help in the subject of compiler.Please suggest me some links to develop a compiler using lex and yacc(as i have no idea about lex/yacc).The input should be a simple C or C++ program and the output should be all the 7 stages of the complier(lexical analysis,synatx …
Hello! How is everyone? I know this program is somewhat simple, but I am working on learning classes, and I am trying to implement this in my code. I pretty sure my mathematics done in the program are correct, or at least on the write track. Here's what I am …
Hi everyone I'm using stat() function to get the file's attributes , but I don't know how to get the permission of it . So can anyone tell me how to find the permission of the file?? Thanks in advance
#include <stdio.h> #include <stdlib.h> int main(void) { double a = 0.0; double b = 0.0; scanf("%lf", &a); printf("\nThe first number is %f", a); getchar(); return EXIT_SUCCESS; } The question is : how can the program continually re-prompt I mean when i enter the number, and then the number i entered …
Does anyone know how to write a program that minimizes a finite automata?
Credit card numbers follow certain patterns. A credit card number must have between 13 and 19 digits. It must start with for example: 4 for Visa cards 5 for Master cards 37 for American Express cards 6 for Discover cards So, this here is the code thats identify either a …
Hi I need some good study material related to it. How can i eject my DVD ROM drive using C coding. similarly, how can i change fan speed, how can i shut down my PC using C coding. I need urgently.
hi I need some help in the subject of compiler.Please suggest me some links to develop a compiler using lex and yacc.The input should be a simple C or C++ program and the output should be all the 7 stages of the complier(lexical analysis,synatx analysis,sementic analysis,intermediate code generation,machine independent code …
i write alot of program in C. and it really helpful if i write them in unix or linux. so is there a way for me to use unix or linux without downloading onto my computer? may be i can download unix, linux on CD or some program that let …
Alright. I am making some decent progress here. I am trying to add a toolbar to my basic text editor that I am making using an internet tutorial. Anyways the problem is that I can get the bitmaps to display but they appear to be just that... bitmaps. When I …
I apologize for the inconvenience this not a Qt question. I am using a library in my Qt application which is built and generated by lex and yacc compiler. When I am calling first time the function it’s working fine, a good file. Next time running a bad file from …
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?????
#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 …
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