C :: Array Doesn't Seem To Be Working
May 26, 2013
I am writing a program that expands array list whenever they get too full...so far i have this:
Code:
#define DEFAULT 10
typedef struct ArrayList {
//array of strings
char **array;
[code]....
So, ArrayList *myList should return a pointer to the new arraylist or null if malloc fails. what exactly I need to set my maximum to, I know that it shouldn't be 0 and array[i] doesn't seem to be working either. I also am not sure if I am properly setting up null correctly for my array.
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Jun 26, 2014
While working on another issue I started memory cleaning and refactoring. While refactoring I decided to create an array Resize Array Reize and Null Count:
Spoiler
public int NullCount(string[,] Original) {
try {
int returnInt =0;
for(int x =0; x<= Original.GetUpperBound(0);x++) {
if (Original[x,0]==null )
{returnInt++;}
[code]......
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Jan 16, 2015
I am trying to retrieve the elements in an array to print them. I am pretty sure I have everything right, but it is not working. There are 5 values in the array {3, 4, 10, 5, 6}, but the first two elements (supposed to be 3,4) are coming out a 0,-2654238590. The last three elements are coming out correct.
void addDynArr(DynArr *v, TYPE val) {
/* FIXME: You will write this function */
assert(v != 0);
//resize if necessary
if(v->size >= v->capacity)
[Code] ....
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Sep 6, 2013
I have a function that concatenate the strings in an array(2D)
Ex 1: Sean Connery Micheal King James Wood
Result: SeanConnery MichealKing JamesWood ...
The concatenation function working correctly and displays correctly in the function. But if I make another function to display it, it shows this
Ex 2: SeanConnery Sean MichealKing Micheal JamesWood James..
It adds to first name. Why?
Code:
void Concatenation( char dest[200][13] ) {
// loop through and concatenation the strings
for(int i=0;i<200;i+=2) {
myStrCat(dest[i],dest[i+1]); // mystrcat is equalto strcat()
[Code] .....
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Apr 9, 2015
I am trying to sort an array of strings but when I pass it through my bubbleSort function, it gives me a segmentation fault. By print checking, I know that there are strings in the array "f" but it doesn't get sorted.
Note: The file I am putting into this program is a text file with 1000 lines
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
[Code].....
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Oct 8, 2014
#include<iostream>
#include<iomanip>
using namespace std;
int main(){
int a,b;
int Rowsize , Colsize ;
int A[Rowsize][Colsize];
[Code] ....
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May 17, 2013
I wrote a Simon game, and wanted to save the top 10 scores. I was working right, until I decided I wanted to still be able to read the file if someone enters a name containing spaces. Now, the results aren't right.
void FillScoreList(string Simon_Names[], int Simon_Scores[]) {
ifstream Simon_HiScores("Simon_Data.txt");
if (Simon_HiScores.is_open()) {
for( int x=0;x<10;x++){
[Code] ....
Even without trying to read names with spaces, I'm getting
dad 1
0
340176
0
... either a long number or a zero. No names
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Oct 22, 2013
I've created a function where you can choose any bounds for an array based list (positive or negative, as long as the first position is smaller than the last position). However for some reason when I call the print() function in my application program it doesn't do anything. My print function is technically correct (I still have work to do on the output) but I can't figure out why it wont show anything at all. Below is my header, implementation, and main program files, along with results from running the program.
Header File:
//safearrayType Header File
class safeArrayType {
public:
void print() const;
void insertAt(int location, const int& insertItem);
safeArrayType(int firstPlace=0, int maxPlace = 100);
[Code] ....
ResultsEnter the first bound of yourlist: -3(this was my input)
Enter the last bound of yourlist: 7(this was my input)
Press any key to continue...
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Mar 23, 2014
I wrote this program to create a list of medical resources and their attributes, a task I have been performing repeatedly lately. I'm still fairly new to C++, so I thought to create a structure "Resource", and then an array of those structures "city[300]". My problem is that the input doesn't seem to be happening: the program runs, but when it prints to screen/writes to the file at the end, all the shows is:
Resource Type:
Name:
Address:
Phone:
Website:
for every resource that was input. All the fields are blank.
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
struct Resource {
string typeID;
string name;
[Code] ....
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Apr 28, 2013
My program compiles but doesn't run, Here is the screen shot of debugging
//DynBag.cpp : Implementation File
#include <stdexcept>
#include <iostream>
#include "DynBag.h"
[Code] .....
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Sep 24, 2013
I just dont see what the issue is here. I have stared at this thing forever. Im trying to make a calendar from scratch so I can be prepared for my second test on Friday.
Code:
#include<stdio.h>
#include<stdlib.h>
int main(void)
{
int i, n, s;
[Code]....
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Nov 21, 2013
#include <iostream>
#include <string>
using namespace std ;
int main() {
string bored ;
do {
cout << " program" <<endl ;
[Code] .....
I made this as a simple do/while program, and if i run it, the second do/while statement will keep on going forever, without the [cin >> bored;] line working?
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Dec 21, 2014
I just wanna have a very simple function that reads values from a text file row by row. The first value is passed along from the stringstream to my float data[] but after that it doesn't pass along anything. The strange part (for me at least) is that the stringstream contains the values it should contain, but they doesn't wanna end up in data[].
main.cpp
#include <fstream>
#include <iostream>
#include <string>
#include <sstream>
[Code]....
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Jun 9, 2014
I've implemented it a bit differently: I create 2 temporary arrays, one for the numbers lower from the pivot , an done for numbers greater then the pivot. in the end of each iteration the 2 arrays are copied to the original array:
Code: #include <iostream>
void QuickSort (int* A , int start, int end){
if (end-start<3){
return;
}
int mid=(start+end)/2;
int pivot=A[mid];
int lA[end-start] , rA[end-start], rCounter=0,lCounter=0;
int curr=0,i=start;
[code]....
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May 23, 2013
This code runs. However, when I run it, the text from printf doesn't appear until after I type in the two numbers.
I use Wascana, will it run correctly on other compilers?
Code:
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main() {
fflush(stdout);
[Code].....
And this is how it turns out on the screen:
Code:
6
3
What size is the die:
how many dice to roll:
Numbers are 3d6
Rolling die no.1...
RolledDie: 4 DieTotal: 4
Rolling die no.2...
RolledDie: 5 DieTotal: 9
Rolling die no.3...
RolledDie: 5 DieTotal: 14
The total is: 14
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Dec 9, 2013
I am trying to release my C++ app to run on desktops that dont have VS installed and have created an install shield app to install on the desired computer. my issue is even after packaging it, it still requires certain DLL's...I read online that I had to copy 'msvcr120.dll' and a few others to syswow64 and sys32 folders but now when I try run my app it just crashes before starting.
I think it sucks that Microsoft no longer packages required DLL's like it used to in 2010.
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Apr 11, 2014
I'm trying to build a new project and i installed some new libraries in it but when i try to compile any code it doesn't give me any value just press any key to continue, i didn't make any files but one and even if i tried to do this simple task it doesn't cout any result:
#include<iostream>
using namespace std;
int main() {
cout <<("ha");
system("pause");
return 0;
}
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Aug 14, 2014
I wrote a program which was supposed to decrypt a file encrypted with the XECryption algorithm. Now, I know the decryption algorithm, but I have a problem with my ifstream object. It doesn't read anything at all, and the ofstream object just outputs a single random byte in a never ending loop. I've tried using cin, which works correctly, but it's not what I want.
Here's the code:
#include <fstream>
#include <iostream>
using namespace std;
int main() {
ifstream in("file.in", ios::in);
if (!in.is_open())
[Code]....
I'm doing this on a Windows 8(.1) pc with Code::Blocks 13.12. In the file (file.in) I have replaced the points with spaces. What is wrong with the code?
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May 14, 2014
Ive been having a hard time creating bin file. Whenever I append data, the data wont show in browse function. And this program works good without the bin file code.
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
[Code]....
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Apr 22, 2014
I am trying to change the value of of time in my vector of structs. The result should output 1430 as the value of shares[1].time though I get something different.
unsigned convTime = 1430;
std::stringstream out;
out << convTime;
shares[1].time = out.str();
std::cout << shares[1].time;
But my shares[1].time stays as its original value and not 1430.
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Jan 18, 2015
I can't seem to get my program to alphabetize a vector string. It displays the names, but not in a sorted order.
void sort_names(vector<string> &nameList) {
int i, minIndex;
string minValue;
int size;
size = nameList.size();
[Code] ....
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Dec 15, 2012
Code:
std::ostringstream ss;
ss.flush();
ss.clear();
ss << v.x;
std::string buff(ss.str());
XMLString::transcode(buff.c_str(), tempStr, 99);
[Code] ....
The buff at "Z" are stringed together with previous values. How do I resolve that?
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Aug 16, 2014
i have a question, i'm studyng the string library type and i have to write this program :
Code:
std::string word;
while (std::cin >> word) {
std::cout << word << std::endl;
}
why if my input is :
hi my name is ^Z
the output is :
hi
my
name
is
why the program doesn't fall out from the while loop ?
why my program does not recognize my sequence of end of file ?
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Mar 16, 2014
I'm new to C, and I'm trying to write a program that gets a string, divides it into terms and operators, reduces them and prints the result. I know the source code doesn't do exactly that, yet (specially the last part), but I'd like to compile it.
Code:
#include <stdio.h>
#include <string.h>
int main ()
{
/* Write a welcome message. */
printf ("
Calculator
I use Bloodshed Dev-C++ with Ming-W and I get quite a few errors when I try to compile it.
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May 7, 2014
I created a basic socket server, which listensing for incoming udp data. When I run the netcat program, I get a response:
Code:
$ nc -luv 1732
Connection from 10.50.11.12 port 1732 [udp/*] accepted
(?@??8?? ??.?n?5
(?@??8?? ??.?n?5|?>)
(?@??8?? ??.?n?5|?>)
^C |?>)
But with my c program it doesn't give the response. It should say something like "here is the message: " and then give a message.
Code:
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
[Code] .....
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Sep 28, 2013
my text for the score and difficulty doesn't seem to work. They are both appearing twice and not updating. The score text worked fine until I inserted the difficulty text and I can't seem to find the problem. URL.....
#include "stdafx.h"
#include <iostream>
#include <sstream>
#include <SFML/Graphics.hpp>
int main()
{
sf::ContextSettings settings;
//settings.antialiasingLevel = 8;
[code]....
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