15,552 Topics
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 | I was attempting to recreate the fibonacci sequence and I made a working code but my code will refuse to use a number above 12. any ideas what is wrong? #include <stdio.h> #include <stdlib.h> int main() { const int user = 1; long int fib[user]; int i = 0; int …  |
| | Hello, Though I have done this question without string functions but can anybody give me short algorithm for this. Here is the question: Write a program that reverse the words in a sentence: Enter a sentence: *you can cage a swallow can't you?* Reversal of sentence: *you can't cage a … |
| | Hi I have the following code which is giving an error while trying to use scanf with it. Please help resolve uint16_t x[3]={1,2,3}; uint16_t y; printf(" %"PRIu16",y); (works) printf("Enter a value for y: "); scanf("%"PRIu16, &y); warning: format '%u' expects argument of type 'unsigned int *', but argument 2 has … |
| | Help, I am getting a segmentation error. Basically I need a function to print out certain elements of an array. I have created the functions displayArrayVal1 and displayArrayVal2. x_array and y_array are both global. Where am I going wrong? #include <stdio.h> #include <stdlib.h> #include <string.h> #include <inttypes.h> uint16_t x_array[8]={1,2,3}; uint32_t …  |
| | I have a lot of problems understanding the concept of size_t and will really appreciate if anybody can help me understand the concept. I searched a lot on the net and went on a multiple forums and answers ranged from "it's an unsigned integer type" to the more bizarre "it … |
 | What is a new project programming ? Is it better writting code in separate files which they can combine together ... rather that making ine file that includes all the other .C files ? At last... if i have 3 files .. for example: **File one:** // * Filename: setadt.c … |
| | hi there, i also have an emergency home work it about Fibonnaci recursive the Output is should be like this : -------------------------------------------------- First number of the fibonnaci : 3 The Fibonacci Lines are : 3 4 7 11 18 29 ... ---------------------------------------------------- i want the result is until 10 lines … |
| | A fest called "Technothon" is going to be held in my college. In this fest, CEO's of large MNC's are invited. I am to present a project in front of them. So, please suggest some project ideas.. "C" language is my strong point. But i have got no idea about … |
| | Hi, I am facing difficulty in removing a node from linked list. For example I am having four nodes having integers (10) (20) (30) (40). I need to remove second Node that is 20 from linked list. What i was trying to do is I am maintaining two pointers to …  |
 | **I have about 54 errors and I have no idea why. I've been looking through it and I see nothing whenever I change anything, more errors that are related to previous** 1>------ Build started: Project: TESTERPROJ, Configuration: Debug Win32 ------ 1> blank.c 1>c:\users\pauline medwinter\documents\visual studio 2012\projects\testerproj\testerproj\blank.c(33): error C2122: 'long' : …  |
| | N 10*N 100*N 1000* N 1 10 100 1000 2 20 200 2000 3 30 300 3000 4 40 400 4000 5 50 500 5000 6 60 600 6000 7 70 700 7000 8 80 800 8000 9 90 900 9000 10 100 1000 10000 Hi, [code=c] #include<stdio.h> int main() … |
| | Hi I am looking for some information regarding VT102 escape codes. Are there any tutorials on this anyone can recommend? Basically, what I need to do is overwrite these print statements within the for loop to my screen: for (int i=0;i<5;i++) { printf("Enter the current price of the product: "); …  |
| | A 4 byte float has the value: 0x7F800000. Its value as a floating point number is: a. -39.482 b. +0.0 c. 11.0 d. +Infinity Hey there, I was hoping to solve another problem but I need help. I was wondering how I would convert the value to the desired answer? … |
 | I ran same code linux and HP platform And the result stored was different. I found that the boundar for comparison is 255. It can be more undersstood from the below code. #include <stdio.h> int main() { FILE *fp=fopen("linux2.txt","wb"); int a = 100; int c=0; int i=0; for (i=0; i … |
| | Hi All, While running a piece of code on Linux and HP i found the differenc in the result. Can Anyone Explain Why it is giving different results? #include <stdio.h> int main() { int a = 0; int b = 30030; int c = 34094; int d = 0 ; … |
| | Hi I have data in the following format that I need to write to a csv file. Student1 Mark1 Mark2 Mark3 Mark4 Mark5 Student2 Mark1 Mark2 Mark3 Mark4 Mark5 Student3 Mark1 Mark2 Mark3 Mark4 Mark5 Student4 Mark1 Mark2 Mark3 Mark4 Mark5 Student5 Mark1 Mark2 Mark3 Mark4 Mark5 I am writing … |
| | Hi All, I have a binary search tree (consider following structure). struct bst { void *value; struct bst *left, *right; }; I want to save this unbalanced binary search tree in a file. And when I read this file, I don't want to recreate the tree from these nodes. So … |
 | Hi guys and gals. How can I find write or open for example? I tried man write and man open but those were not the pages I was looking for. |
| | I am trying to parse the FAT filesystem & I notice that many of the fields are more than 2 bytes. I was reading someone's program and he has defined unsigned short for a given field of 2 bytes. Now, my question is how does the compiler handle endianness? If … |
 | Is it possible to use tilde (~) in C preprocess directive in the following way? #define a 1 #if ~a==0 ... #endif Generally, I want to know how we can ~ in preprocessor directives? |
| | Hi people. I'm trying to run whoami using execv but I'm getting a problem: --- CHILD PROCESS --- child PID: 3146 parent PID: 3145 execv: Permission denied child exit code: 1 I already have certified myself that I have run permission for whoami for all users. I don't know what … |
| | Hi, In the following program i have not defined <stdlib.h> header and included rand() function and it works without this header. How? #include <stdio.h> #include <stdbool.h> #include <time.h> #define NUM_SUITS 4 #define NUM_RANKS 13 int main(void) { bool in_hand[NUM_SUITS][NUM_RANKS] = {false}; int num_cards, rank, suit; const char rank_code[] = {'2', …  |
| | I want to create binary tree. With this program I wrote I have some problems. It seems the element I added to the tree is always added to the root place! Adding never happens to the left or the right subtree. This thing is prooved by result I always get … |
| | i want seprate 1234 like 1,2,3,4 when i give 1234 then this code works fine but if i give long int like 34545666 this code does not work. int main() { clrscr(); int num,r,c,sp,x; printf("enter number"); scanf("%d",&num); while(num!=0) { x=num%10; printf("%d",x); num=num/10; } |
| | Guys, Am trying to open a file and read the content in that using C from mainframes. Here is the code, #include<stdio.h> int main() { int i; FILE *fp1; fp1=fopen("**********.CPP.SAVE","w"); if(fp1==NULL)return; for(i=0;i<256;i++) { fprintf(fp1,"%c",i); } fclose(fp1); return 0; else { printf("File does not exist"); } } Only the else part … |
| | I'm a student. My code is skipping over my printString function when I run it. Pardon the poor spacing. #include <stdio.h> #include <string.h> #include <stdlib.h> char * reverseString(char * original); void printString(char * string); int main() { char a[] = "this is a test \0"; char * b = a; … |
 | I wrote this code that checks whether a number is prime or not. It returns 1 if the number is prime or 0 otherwise. U just look at the bottom of the code... [CODE]#include<stdio.h> #include<conio.h> #include<assert.h> int is_prime(int n); void main(void) { int n=0; clrscr(); printf("An integer "); scanf("%d",&n); assert(n …  |
| | Hello experts, I have this code which works so perfect while detecting square objects from images which are downloaded from internet. However, when I am taking the image of a square object from my webcam and processing, its not turning out to be as expected. I am suspecting, the reason … |
| | Hi , I am trying for a program which takes any no of characters as input and stores, so obviously i would need DMA. My approch is to Take a buffer of some fixed size(5 in this case) Fill the buffer till the fixedsize-1 Allocate memory dynamically and store the … |
| | Hi, I have a problem that wants to be calculated only by while loop. (no other loop, no goto, break) Develop a program that will input the miles driven and gallons used for each tankful. The program should calculate and display the miles per gallon obtained for each tankful. After … |
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