C# :: Sudoku Solver / Generator - Text Box Change Event
Feb 25, 2014
I am creating a sudoku solver/generator. I have 81 text boxes on the form. I want the form to automatically clean up the input, eliminating alpha characters, and values under 1 or over 10. Anyways I have this method written, but I really don't want to go through and type up a change method for each text box. Is there to write a method that fires when ANY text box is changed, and gets the string value from the changed text box?
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Apr 28, 2014
As it is known there are nine boxes and in each box we can put numbers 1-9 without repetition. I am trying to check a given filled Sudoku puzzle whether appropriate numbers are inserted in each of the nine boxes. For the time being I don't consider row repetition and column repetition. I wrote the code using loops and condition
I used 9*9 text-boxes. The names of the textboxes is sequential like for example for the first box
txt11,txt12,txt13
txt14,txt15,txt16
txt17,txt18,txt19
Actually, I used also the controls id to access the text boxes, and each box is checking with the neighboring boxes for equality both in forward -> and backward <-
image
So here is the code
public void BoxCheck() {
int start = 82, end = 74;
int i, b, f;
for (int p = 1; p <= 9; p++, start -= 9, end -= 9) {
richTextBox1.AppendText("Box " + 1);
[Code] ....
This works pretty fine, but is is the right way to do it? it is efficient? Remember for a full checking I have to include row check and column check as well, this is just for checking within each of the 9 boxes in Sudoku.
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Mar 5, 2013
Code:
/* Sudoku solver using dept-first search*/
#include <iostream>
#include <stack>
using namespace std;
struct valpos//structure which carries information about the position of the cell and its value {
int val;
int row;
int col;
[Code] ....
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Nov 26, 2013
I am constructing a random text generator and i am almost done i just need final output. Here is my coding
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
using namespace std;
const int NUM_FRIENDS = 5;
[Code] ....
This is how the output is supposed to look like
Program Output
== Who Should I Text? ==
Enter seed
Enter friend 0
Enter friend 1
Enter friend 2
Enter friend 3
Enter friend 4
You should text: Cat
These other friends didn't make the cut:
Adam
Bill
Damion
Edward
I can't figure how to output the remaining names.
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Oct 5, 2014
im new to c++ ,so my question is how do i change a length of a text. for example hi my name is blah blah blah. nice to meet you. (n i want every lines to have 8 chars how do i do that)
(hi__my__
name_is_
balh____
blah____
blah____
._nice__
to_meet_
you.) (_ equal space)
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Jan 13, 2014
How do i change color of text in the program more than once . rite now i use the code
system ("color 0c");//makes the color of the text red
cout <<"hey";
system ("color 02") //change color to green;
cout<<"only in green ";
it displays both the lines in green not the first in red and second in green.
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Jul 7, 2014
I was trying to change the text and background color to :red blue
Is there a way to do this? is there a certain function? ...
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Mar 6, 2013
I am trying to change the text hue in this gump, i have made most the changes but cant figure out these two errors?
Errors
virtuestatusgump.cs:cs1002: line 75, column 32) ; expected
virtuestatusgump.cs:cs1002: line 75, column 32) identifier expected
Code:
case 1: {
m_Beholder.SendGump String.Format( new VirtueInfoGump( m_Beholder, "Humility", "Humility is perceiving one's place in the world, not according to one's own accomplishments, but according to the intrinsic value of all individuals. One gains Humility through supporting young players.", m_Beholder.Virtues.Humility ) );
break;
}
And here is the full script.
Code:
using System;
using Server;
using Server.Gumps;
using Server.Network;
namespace Server {
public class VirtueStatusGump : Gump
[Code] ....
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Jul 24, 2013
I've tried this (without success):
ui->tableView->model()->setData(ui->tableView->model()->index(5, 5, QModelIndex()), QVariant(QColor(Qt::red)), Qt::DecorationRole);
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Mar 21, 2012
My goal is to have couple of items in the listbox and when highlighting one item a image in the picturebox should appear, and so on for each item in the listbox.I just don't know how to change image depending on selected item in the listbox instantly.Also when i highlight item a text in label should be like in highlighted item in listbox.
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Dec 28, 2013
How I can clear the whole screen in console...
And I'm using clrscr(); and its not working.
How i can change the text color in the .exe without using system function
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Nov 26, 2014
I have a derived CComboBox class, where I tried to change text and background of edit from CComboBox, just like this:
Code:
HBRUSH CMyComboBox::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) {
HBRUSH hbr = CComboBox::OnCtlColor(pDC, pWnd, nCtlColor);
// TODO: Change any attributes of the DC here
//if(CTLCOLOR_EDIT == nCtlColor || CTLCOLOR_MSGBOX == nCtlColor) {
[Code] ......
but is not working if CComboBox has CBS_DROPDOWNLIST style ... is working only for CBS_DROPDOWN style ... why ?
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Dec 7, 2012
I am trying to change label text on button click, the way label.text = "string" work well before but not in this case. I tried to put this on other method and it work..it is just not working on the button that I would like to fire..
C# code :
protected void btnTotalGroupMember_Click(object sender, EventArgs e) {
string s = "there";
string[] words = s.Split(' ');
foreach (string word in words) {
Label1.Text = s;
[Code] ...
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Nov 12, 2013
I needed to change Default Text attributes (font and color) . So I wrote following code , UnicodeTextOut function. I called this function once in each 55ms to update the display screen. but I observed that my Screen used to become grey like a crash after sometime . If I use Minimize an Maximize window , the screen was restoring back for some time.
When I thought over the code , I got my mistake that CreateFont initialization should be done once in the program and probably outside the function.
void UnicodeTextOut(int x, int y, CString s, UINT justify,int GreyScaleFlag) {
HFONT hFontUnicode;
HFONT hfOld ;
hFontUnicode = CreateFont(16, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, _T("Aerial"));
[Code] ....
Then I shifted the line hFontUnicode = CreateFont(16, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, _T("Aerial")); in my screen class constructor and made hFontUnicode global .
This solved my problem as expected. Why a system crash after certain no of CreateFont calls ?
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Sep 30, 2013
So my program is to check if a certain 9x9 sudoku grid is valid. i have to get the input through command argument. so for example.
./a.out sudoku.txt
So we have make my c program to use FILE I/O open and what not
program behavior must be as follow File does not exist.File contains something other than a sequence of 81 integers (too many, too few, non-int).
One or more of the values is not in the range 1..9 Violation of Sudoku rules (this is the big one!) In case 4, you should report the violation (or any one of the violations if there are multiple -- you do not need to exhaustively enumerate all violations).
For example: Row Violation: entries (2,2) and (2,6) are both equal to 7. (Similarly for column and box violations). All i know is that i need to make a 2d 9 by 9 array
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May 23, 2014
I want to know if you have made Sudoku game in c++, which kind of data structure did you use? shortly, which part of the game did you use for? [Array, Stack, Queue, Linked List, Binary Search Tree]
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Dec 30, 2013
how to create a code to create a sudoku puzzle using C++ compiler
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Jan 28, 2014
I'm doing a program about finding out the solution of a sudoku puzzle. I've been thinking about how I'm going to check every box of the small 3x3's. What would be the best and most efficient way of doing that?
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Sep 28, 2013
Been trying for a while now to complete a physics degree first year computing task I've been assigned, which is to create a wordsearch solver to read to an array a wordsearch from a .txt file and find words in all directions (x+,x-y+ etc.).
I have a feeling the program is almost complete, but will stop looking for the word once the first character of the word has already come up. For example, if I'm searching for computer, and a c exists in an array element before it, the program will stop searching. I have included my code and the wordsearch file beneath.
Code:
#include <stdio.h>#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <ctype.h> //Used for the'toupper' functio
int main()
}
[code]....
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Dec 17, 2013
I'm working on an anagram solver, and started with words 3 characters big. But it can solve some words and not others.
std::string str = "enp";
std::string match = "";
int chk = 0;
[Code].....
With the string "enp", it knows it matches "pen". But if I use "mum", it doesn't match it with "mum".
Is there something flawed with my algroithm?
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Mar 15, 2014
I'm working on a homework problem where we are given a class of functions to traverse a maze and must use those functions to recursively find the end.
The problem I'm having is when the function backtracks it doesn't reset the whole path it came from.
Here is my function that I have created
void solveMaze(Maze M, int path[][MAX])
{
// << overwritten to print the maze out
cout<<M;
[Code].....
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Sep 17, 2013
I am trying to implement the linear programming solver. This is the header file of the linear programming solver :
/*!
internal
Representation of a LP constraint like:
(c1 * X1) + (c2 * X2) + ... = K
or <= K
or >= K
Where (ci, Xi) are the pairs in "variables" and K the real "constant".
*/
[Code] .....
I want to parse all the constraints and bounds as inputs and get the maximum value of the objective function as the output using the above lpsolver header file. I have also attached the sample file below.
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Mar 26, 2014
I'm working on a maze solving program. So far I got the program to solve a maze using the recursive backtracking algorithm. I represent the maze as vector<vector<Square>> where Square is an enum that contains the kind of square (empty, wall, etc.). I use a class Point that contains 2 ints which are used for subscripting the vector of vectors. I have a Point begin and Point end. Now I want the program to solve the maze using the shortest path. I can either use the A* algorithm, Dijkstra's algorithm, or the breadth first search algorithm.
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Jul 6, 2014
So, I successfully made a program that will perform the quadratic equation on three numbers, imaginary or real. however, i am now trying to simplify the result, as to get rid of the "/2a" on the bottom. Hence the simplify() function. I just started to create the simplification function, and am attempting to divide the imaginary part of the solution as well as the real part of the solution by 2a. Somehow, it gives the error, "error:invalid operands of types 'int' and 'double *' to binary 'operator*'" on lines 105 and 106. I suspect it has to do with the pointers and references that i am passing as parameters. Also, just an aside, I have never actually seen "/=" be used. It can be, right? I know "+=" can be.
#include <iostream>
#include <string>
#include <cmath>
#include <cstdlib>//simplify the answer
using namespace std;
int count=0;
//prototyping
double ans_1(double,double,double);
[Code] ....
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Sep 18, 2013
I am trying to compile a c program for sudoku. I have declare const instances as global variables, but when i try to compile the code it says that my declarations are not constant, here is some of the code.
#include <stdio.h>
#include <assert.h>
const int GRIDSIZE = 3;
const int GRID_SQUARED = GRIDSIZE * GRIDSIZE; //this line
const int ALL_VALUES = (1<<GRID_SQUARED)-1; //and this give//the error
int board [GRID_SQUARED][GRID_SQUARED];
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Apr 29, 2013
I wrote a program to write text contents to file stream through fputs, the file stream address was changed in the middle of writing text content to the stream (11% text content have been put into the file stream), that cause the file stream pointer can be evaluated problem and raise exception on stream validation code in fputs library function, my question is what things could go wrong to make file stream pointer changed its address to something else or a NULL pointer if the file stream have not been flushed and closed.
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