15,550 Topics
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| | Hi all. I have a problem with my calculator. #include <stdio.h> int a, b; /* value entered by user */ char c, choice; int main() { printf("\nThis program is a calculator.\n"); printf("Enter your calculation: "); scanf("%d%c%d", &a,&c,&b); if (c=='+') printf("The answer is %d", a+b); if (c=='-') printf("The answer is %d", … |
| | I'm fairly new to C. I've tried googling but haven't found anything. Can anyone direct me to some relevant functions or readings or whatever that might help with this problem? Basically I need to be able to give a directory as an argument and it needs to be able to … |
| | [CODE]#include<stdio.h> #include<conio.h> #include<graphics.h> #include<dos.h> void main() { int gd=DETECT,gm,year,month,day,cy,cm,cd,i,j,maxx,maxy; int y,m,d; int midx, midy; int stangle = 0, endangle = 360; int xradius = 100, yradius = 50,xradius1 = 2, yradius1 = 2; int radius = 50; clrscr(); initgraph(&gd,&gm,"d:\\tc\\bgi"); maxx=getmaxx(); maxy=getmaxy(); for(i=0;i<10;i++) { setcolor(4); rectangle(i,i,maxx-i,maxy-i); rectangle(9,11+i,629,45-i); } for(i=0;i<315;i++) { delay(3); …  |
| | (Linux)I am trying to use this code: /* *Converts pounds to kilograms. */ #include <studio.h> /* printf, scanf,definitions*/ #define KG_PER_POUND .4536 /*conversion constant */ int main(void) { double pounds, /* input - weight in pounds. */ kg; /*output - weight in kilograms */ /* Get the weight in pounds. */ … |
| | I've just been trying to put together a small piece of code to display the Fibonacci series up to the nth term, where n is defined by the user. I have got it working in a way, it is displaying the series up the the nth term where n is … |
 | I have searched and deleted on this code, but I am still stumped on where the "unresolved external" it's complaining about is. Here is the code:[CODE]#include <windows.h> #include <stdio.h> #include <string.h> #include <tchar.h> #include "resource.h" #define GETITEM(item) GetDlgItem(hWndDlg, item) void convert (HWND hWndDlg) { wchar_t ConvertTime[9], ETime[8], UKTime[8], HKTime[8], Hour[8], …  |
| | HI friends!! I am very new to this type of groups, and this is my first post to this group, before asking u all a help I am just posting this code to u all, , please respond for this code Huffman algorithm is one used for image compression and … |
| | I should remember this but I am rusty. I'm passing a char* [] to a function which will hold data that I have extracted using strtok. I've tested the output and it is doing what it is suppose to, at least it is inside of the function. As soon as … |
| | Hi everyone, I'm taking a C programming class and in addition to being unfamiliar with all of the syntax, I'm still learning my way around a new compiler. I'm currently writing a program that gets a user to input 3 numbers, then it will display the lowest to highest. My …  |
| | I have been working on a HW assignment for a while and I cant figure out how to print out a 'user' selected column out of an array. I can print the rows, but I need to know how to print specific columns dictated by user input. My code is … |
| | [CODE]#include<stdio.h> #include<stdlib.h> #include<time.h> #include<stdbool.h> int roll(void) { int num = (rand()%6)+1; return num; } /* void player(void) { int i=0; int sum=0; int dice; char turn; while(i!=6) { printf("Player 1- roll or hold?\n"); turn = getchar(); while(getchar()!='\n'); if(turn=='r') { dice = roll(); if(dice!=1) { sum+=dice; printf("Rolled = %i Your turn … |
| | [code] #include<stdio.h> int main() { int n,i,j; char p[10][10]; printf("please enter 10 words"); for(i=0;i<10;i++) { for(j=0;j<10;j++) { gets(p[i][j]) ; } printf("\n"); } for(i=0;i<10;i++) { for(j=0;j<10;j++) { printf("%c",p[i][j]); } printf("\n"); } return 0;} [/code] I actualy want to read 10 string from keyboard and print them but not gettin the output …  |
| | How to access structure variables in nested structures [CODE]#include<stdio.h> typedef struct contact { char name[1][20]; struct number { double num; }no; }; [/CODE] Now how to access num ,can anyboddy explain me? |
| | According to entered number (b), please find the “a” numbers corresponds equation b = a3 * a2. My codes. Whats the mistake ? thanks for helping. [CODE]#include"stdio.h" #include"conio.h" #include"math.h" int main(void) { int a,b = 0; printf("Please enter a number"); scanf("%d",&b); for(int a = 0;a<1000;a++) { if(b==(a*a*a)-(a*a)) { printf("%d",a); } … |
| | i have searched everywhere and i cannot find a simple c example for creating a simple click button, where if the user clicks on it, the program prints something to the screen, or something. any help would be very appreciated.  |
| | i want to get a random value from the set of values like{1,2,5} how can i do that is that possible i m not that familiar with using random function so plz xplain a bit how to use it if it can be used in this case |
| | Hello there everyone. I am having a bit of trouble with my C programming. I do not know anything about C programming and this is my first semester and already my professor is putting pressure on me. Anyone that can help would be appreciated. So I am supposed to create … |
| | Hello there, I've just started on C and what I'm trying to do is copying one string to another (which has not been initialized before) without using any string.h functions. Here's my code. [CODE] #include <stdio.h> #include <stdlib.h> void copyString(char*,char**); int main(){ char* string1="Hello there"; char** string2; printf("string1: %s\n",string1); printf("Copying … |
| | I'm a newbie to C. Just wondering if i can create input forms in C. Can i also work with C and MySQL?? as in can i build a system using C and MySQL I guess what i'm asking is what are the effective uses of C as a programming … |
| | [ICODE]Hi, I wrote a program which seemed very simple, a switch case nested in a while cicle. The compiler is not giving any error message, and yet when it's running, it starts an endless serie of loops and I do not understand, why.Here the code [/ICODE] [CODE]#include<stdio.h> int main () …  |
| | Is there any way by which I can initialize all the elements of an array(already declared) in one statement?? That is, without using loops |
| | For example, I have a string containing "184553", how do I go about extracting the 3rd character "4" from string string and assigning it to another variable? I have tried the following code but it does not work, the system crashes: [CODE] char string[6] = "184553"; printf("%s",string[2]); // Expecting it … |
| | I am quite stumped on something in C. I found this code on the Internet, and it only gives me one error; however, I cannot seem to fix it. The variable in the function the compiler's complaining about is: [CODE]char ConvertTime[8][/CODE] and the function itself is a windows one: [CODE]GetWindowTextW(GETITEM(IDC_CONVERT_TIME), … |
| | hi I want to write cellular automata lee algorithm (I call it wave method) which searches for the shortest path between 2 points.In lee algorithm the user specifies the weight one for all grid points and the algorithm will find thepath with the lowest number of grid points(it means the … |
| | This code is runnig perfectly for values perfectly divisible by 2, that is 2,4,8 But the i is not incrementing when values are given such as 7,5 could u plz tell me the error Thanks [code=c]#include<stdio.h> #include<conio.h> int fun(int); int main() { int num; float mod,prime,m; printf("enter the num"); scanf("%d",&num); … |
| | i have recently started to learn c programming and im trying to improve my skill.i have some question about perfect numbers i searched forum but results were about C++. question is this code finds perfect numbers between 1 to 1000000. but its not working after 8128 which is perfect number. … |
| | Hi all, I've just started learning server and client communication using socket. What I'm doing here is like a Search Engine. Server stores data (from a textfile) , then client search and check it exists or not. Everything works fine, but I can't seem to loop for multiple search. (Meaning …  |
| | Binary search tree for strings. I tried my best to trace out the error but in vain Need help. [CODE] #include<stdio.h> #include<stdlib.h> #include<string.h> struct bstree { char keyword[25]; struct bstree *lnode,*rnode; }*root; void insert(struct bstree *new,struct bstree *old) { if((strcmp(new->keyword,old->keyword))<0 && old->lnode==NULL) { old->lnode=new; } else if((strcmp(new->keyword,old->keyword))<0 && old->lnode!=NULL) { … |
| | I try to imitate the first stage of pre-processor, which is to remove comments from a *.c file. The main principle is that a *.c will be read and the program will create another file *.c1 which is an exact copy of *.c but without comments(c/c++ comments). Example(in Linux): >./myprog … |
| | the following program displays the pth prime number.....but the program is not working ......plz help [CODE]#include<stdio.h> #include<conio.h> void main() { long int a=0,n=0,i=2,j , p ; printf("insert the number") ; scanf("%ld",&p); while(n!= p-1) { for(j=2 ; j<=i-1 ; j++) { if(i%j == 0) { a==1 ; break ; } } …  |
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