[c] Forum Topics

can anyone help me in making a c program for displaying the grades(A(>60),B(45>b<60),C(30>c<45),F(fail)) of students in the form of histograms and for each grade calculation and histogram we need to use pthreads!!! so that it satisfies parallel processing!!

I am using fgets to read lines of a file. I am then using if statements based on the location of the new line character to decide which sscanf to use. I have been getting a lot of windows files which usually use carriage returns. Most of the timeit "seems" …

what is the usage of getch() function? how to creat recovery softwear?

Help me with ur inputs, how to insert and move the image using C language.. we can use by using "Type Argument Approach" to move the image??

My IDE codeblocks 10.05 cant run a program which is overloading functions. Any help please..maybe due to settings

How to rectify the segmentation fault in LINUX system in C language?

I am trying to copy a string to an array of string. I have used these two examples before and they have worked so I don't understand why they won't work this time. I am getting a segmentation fault. http://stackoverflow.com/a/1088667/985898 http://stackoverflow.com/a/1095006/985898 I remembered to initialize everything. char *strings_mneumonic_table[503] = {0}; …

How would you go about converting a decimal value to hex and then do math? Every example of converting decimal to hex that I have seen creates an array and I wouldn't be able to do math if I did that. Something like this. 15 decimal to hex F 17 …

I have an array of characters. I am trying to find "houston". The only way I can think of to do this is to use a for loop and check each individual character. Is there an easier way to do this? char string[] = "Fishing tourism miami atlanta dallas houston";

Hi, I have to create a program that creates N child processes, and they muliply the matrix. I have some base codes but when I try to run them they give me segmentation error and I cant find the problem. #include <stdio.h> #include <stdlib.h> #include <time.h> #include <unistd.h> #include <sys/types.h> …

Hi, I am making program that finds solution how to put 12 knights(horses) to chess board that every square is dominated or engaged by other knight. Look at my code: #include <stdio.h> #include <stdlib.h> #include <stdbool.h> //(*******************************************************************************) void addNulls(char L[][9], int N[], int M[]) { int i,j,g; for (i=1 ; …

I am trying to clear the first character of my array. The first two methods don't seem to work. The third method seems to but doesn't look like a good idea. char operand[] = "abc"; //both methods seem to null it out operand[0] = 0; memset(operand, 0, 1); printf("%s", operand); …

Hi I have to write program that finds a solution how to put 12 knights to a 8x8 chess board that every square would be dominated by one of the 12 knights. Do you have any suggestions from where I can start?

Write a program that takes two input strings S1 and S2 and finds if S2 is a substring of S1 or not. If S2 is a substring of S1, the program should print the index at S1 at which there is a match. If S2 is not a substring of …

I wrote this code to find if string s2 is a substring of string s1. However I'm getting time limit exceeded. How can I make my algorithm better? #include<stdio.h> int main() { char s1[20], s2[20]; scanf("%s %s", s1,s2); char *p, *q, *count; p=s1; q=s2; int i=21; do{ if(*p==*q) /* the …

I'm using gcc compiler in linux ubuntu os. I's started doing windows programming in c but my compiler does not having windows.h or supporting header files. How can i include these windows programm supporting files? Can i download them externally or what else.......?

when converting iget erros especially in the cin parts because they are automatically passed by something #include<iostream> #include<conio.h> #include<math.h> using namespace std; int p=1; class Bank { public: char name[50],address[90],type; double ein_betrag, aus_betrag; double balance; int costumernr, accountnr, birth, tel; public: void newcostumer(); void newaccount(); void costumerdel(); void accountdel(); void …

How can one code a function to remove all trailing blanks from the right end of a string, assuming i use void trimRight(char a[]);

I am having problem getting the final result here, it keeps on looping. #include<stdio.h> #include<string.h> #include<conio.h> #include<math.h> #include<stdlib.h> #include<ctype.h> int main() { int i, t, k, max, min, sumof; printf("Enter number of integer elements in array: "); scanf("%d",&t); int a[t]; printf("Enter list of array: \n"); for ( i = 0; …

Write a program that reads an MxN matrix A and prints its elements in spiral order. You should start from the element in the 0th row and 0th column in the matrix and proceed in a spiral order as shown below. 1→ 2→3→ 4 ↓ 5→ 6→ 7 8 ↑ …

The greatest common divisor of integers x and y is the largest integer that evenly divides both x and y. Write a recursive method Gcd that returns the greatest common divisor of x and y. The Gcd of x and y is defined recursively as follows: If y is equal …

#include<stdlib.h> #include<stdio.h> #include<string.h> struct D { char name[20]; float balance; }d; struct C { char name[20]; int count; }c; char ch; struct A { char command[20]; char name[20]; char filename[25]; float amount; }a; struct P { char name[20]; }p; int main(char argc, char**argv) { struct A b; char str[100]; FILE …

Hi. I found this code online: #include <stdio.h> #include <sys/types.h> #include <sys/wait.h> #include <unistd.h> #include <sys/uio.h> #include <string.h> #include <stdlib.h> #include <ctype.h> /*********************************************************************** * Global Constants * ********************************************************************/ #define A_ROW 2 #define A_COL 3 #define B_ROW 3 #define B_COL 2 #define ARGUMENT_COUNT 13 #define PIPE_QTY 4 /*********************************************************************** * Global Variables …

#include<stdio.h> #include <file.h> main(int argc, char *argv[]) { FILE *fp; char s[100]; int i; //char exit if((fp=fopen("Allah ya isa.mp3","rb"))==NULL) //Open file and read on binary mode { printf("Could not open the file\n"); // exit(1); } fclose(fp); } #include<stdio.h>`` main(int argc, char *argv[]) { FILE *fp; char s[100]; int i; //char …

guys Im a newbie here I really need your help for our project...pls help me..heres the problem..Write a C program that add a names into a file then read the names in a file and sort it alphabetically..(FILEPOINTER).

Hi, my requirement is that I do gets and take user name as input. Now I have to create a file name with the same name as user name. Next if I try to login as a same user from different client I need to check if that file with …

#include<stdio.h> #include<stdlib.h> int main() { int i,j; int ascii_value; char c; FILE *plain; plain=fopen("xx.dat","r"); while((c=getc(plain))!=EOF) { ascii_value=c; printf("%d %c\n",ascii_value,c); printf("~~~~~~~~~~~~~~~~~~~~\n"); } fclose(plain); return 0; } the file xx.dat is 12sdfsldkfj MY output is 49 1 ~~~~~~~~~~~~~~~~~~~~ 50 2 ~~~~~~~~~~~~~~~~~~~~ 115 s ~~~~~~~~~~~~~~~~~~~~ 100 d ~~~~~~~~~~~~~~~~~~~~ 102 f ~~~~~~~~~~~~~~~~~~~~ 115 s …

#include<stdio.h> #include<stdlib.h> int main() { int i,j; int ascii_value; char c; FILE *plain; plain=fopen("xx.dat","r"); while((c=getc(plain))!=EOF) { ascii_value=c; printf("%d %c\n",ascii_value,c); printf("~~~~~~~~~~~~~~~~~~~~\n"); } fclose(plain); return 0; } the file xx.dat is 12sdfsldkfj MY output is 49 1 ~~~~~~~~~~~~~~~~~~~~ 50 2 ~~~~~~~~~~~~~~~~~~~~ 115 s ~~~~~~~~~~~~~~~~~~~~ 100 d ~~~~~~~~~~~~~~~~~~~~ 102 f ~~~~~~~~~~~~~~~~~~~~ 115 s …

A company provides his staff 20% off for tour allowance of basic his basic salary and 10% off for housing rent allowance.calculate the salary in unsigned int.

I am working on a Texas Instrument's Board which has MSP430f47197 and the has the following code (C files). The current resolution for kWhs is .01 but I need higher than this. I changed the code to some extent but unfortunately I could not hit it to what I need! …