C++ :: Making Bar Graph By Comparing Two Vectors

Jan 5, 2014

I am trying to compare two vectors and make a bar graph. I have tried sorting it and pushing it into another vector but this issue is when I go to output it. My logic is wrong.

#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <iomanip>

int main(int argc, const char * argv[]) {

[Code] ....

Output

22 *
44 *
22 *
45 *
33 *
44 *
18 *
34 *
33 *
12 *
3 *
5 *
34 *
33 *
5 *
7 *
22 *
44 *
49 *
9 *
18 *

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C :: Making Program For Comparing Strings

Oct 16, 2013

I know there is a function for comparing string but i am making it to just improve my concepts.error : 2 is coming as answer when i put same sting in both place.

Code:

#include<stdio.h>
main()
{
char str1[] = "hello" ;
char str2[]= "hello" ;
int q;
q = xstrcmp(str1,str2);
printf("%d",q);
}

[code]....

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C++ :: List Of Vectors (vector Of N Vectors Of M Elements)

Mar 19, 2014

I create a list of vectors (a vector of n vectors of m elements).

std::vector <std::vector <int> > vsFA (n, std::vector<int>(n));

How I assign values? I try below, but not worked

void armazenaFA( std::vector <int> &vFA) // this function only knows about vFA
{ vsFA[n] [m]= simTime().dbl();
OR
vsFA[n].push_back(simTime().dbl());
}

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C++ :: Create Two Vectors And Then Loop Through The Vectors

Sep 19, 2014

This is probably a very basic question, but I need to create two vectors and then loop through the vectors and output each pair that is found.

The user will input min1 and max1 with step1 for the first vector and min2 and max2 and step2 for the second vector. Then the loops will go through and return the combinations will return each pair of the two vectors.

So if I input min1=1 and max1=10 and step1=1 and same for vector two the return would be:

[1,1]
[1,2]
.
.
.
[10,10]

This is for part of a homework assignment, but I can't continue on the assignment without first getting this simple part to work.

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C++ :: Asterisk Bar Graph

Feb 12, 2014

i have to make a programs that prompts the user to enter quiz grades and add them up. For examples the user enters 6 test grades they are out of 5 so he enters 0-5 and i store them in the array. This part works great but now i have to print out a bar of vertical asterisks for every part too. So if at the end we have one test grades that are 2 grades of 1 points, 1 grade of two point, 2 grades of three point and 1 grade of 5 point it will have to display them as this

There are 2 grades of 1
There are 1 grades of 2
There are 2 grades of 3
There are 1 grades of 5

i need to do for loops but i am stuck on what to count too and what to print i know i will need cout << "*" and a couple of spaces.

#include <iostream>
using namespace std;
int main (){
int size;
int tests;
int a[6]={0};

cout << "How many quiz scores will you enter: ";
cin >> size;

[code]....

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C :: Depth-first Search Of A Graph

May 18, 2013

You have to implement a data structure to represent graphs,directed or undirected,that tries to avoid the wasted space in the representation of a graph with adjacency matrix and the difficulty of searching the edges with adjacency list representation.We consider that the vertices are numbered from 1 to nverts and the exit degree of each vertex is at most MAXDEG. If deg[i] is the exit degree of the vertex i then the neighbors of the vertex i can be saved at the matrix edge[i][j], 1<=j<=deg[i].

Write a program that reads the datas from a file: if the graph is directed or undirected(1 or 0), the number of vertices (nverts),the number of edges (nedges) and the first and the last vertex of each edge.Write the function dfs that, with argument the data structure that you implemented before for the representation of a graph, prints the edges by the depth-first search of a graph. What I've done so far is: I wrote a program that reads these information from a file, calculates the exit degree of each vertex and creates the matrix edge[i][j]. What data structure do I have to implement???

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C :: Program Finding Max Of Graph

Oct 29, 2013

this is my first year programming, and in my class, each week we have to write a program. last week we wrote a program in c that made random value point and made a graph of the random points that continued on forever. this week, we have to use statistical functions to find the sum, mean, max, and min of the graph. below is the code i have so far.

Code:

#include <stdlib.h>
#include <strings.h>
#include <stdio.h>
#include <stdbool.h>
#include "SwinGame.h"

[code]....

so, as you can see from the code, the parts i need are finding/ coming up with a function to find the max min sum and mean of the functions.

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C :: Create ASCII Bar Graph Of Die Rolls

May 24, 2013

for an assignment we need to create basically a program that asks the user for the result of standard six-sided die rolls (numbers from 1 to 6). The program will prompt the user with "Enter a die roll or 0 to exit " for the first entry and Next die roll? for all subsequent entries. The program will continue reading die rolls from the user until the user enters 0. At this point, the program prints two newline characters (one blank line) and finally, the bar chart showing the number of times each die roll has been entered, and then terminates.If the user enters an invalid number, the program will just ignore it, and ask for another number. Only numbers 1-6 inclusive and 0 are valid.

Example output Enter a die roll or 0 to exit 6 Next die roll? 6 Next die roll? 7 Next die roll? 4 Next die roll? 0

[code].....

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C++ :: Fill Between Lines Of A Graph (koolplot)

Apr 16, 2014

I am using koolplot plot graph and able to plot two lines in a graph. My question is how to fill between the lines? Is it possible to do so with koolplot? or i should use another library?

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C++ :: Graph And Binary Tree Traversal

Mar 30, 2014

I used a BFS to simulate graph-join structure in a C++ code, and had a binary tree that asks the user e.g. to insert a node in the tree among other options, anyhow, I reached a point where I should pass a set of vertices from the graph to the tree, but how to do so. So I wanted to ask is such a thing possible? i.e. passing vertices from a graph to a tree automatically (no user involvement is needed)?

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C++ :: Adjacency List Graph Representation?

May 3, 2014

"My Programm is crashing and i dont know why?"

#include<iostream>
using namespace std;
int arr[3];
struct edges {
int edge_data;
edges *next;

[code]....

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C++ :: Complete Graph Data Structure

Apr 13, 2013

I need building a complete graph from a file. The format in the file is as follows.

[ vertex 1] [ x_coordinate 1] [ y_coordinate 1] [cityname 1]
[ vertex 2] [ x_coordinate 2] [ y_coordinate 2] [cityname 2]
. . .
[ vertex n] [ x_coordinate n] [ y_coordinate n] [cityname n]

What kind of data structure shall I use in order to store date in a complete graph so there is an edge between every pair?

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C++ :: Finding The Longest Path In A Graph

Dec 29, 2013

I was asked to find the longest path in a graph. I was thinking about using Dijsktra's algorithm after multiplying all the weights with -1 and run the program in normal way and find the shortest path. And then I'll multiply with -1 again and get the longest path. I think this should give me the longest path, do you think it would work? And also, I'm dealing with considerably big data, such as 1.000.000 nodes and many more edges. etc. and I have a time limit of 2 seconds and memory limit of 128mb. Any other data structure instead of Adjacency Matrix? Because I'm pretty sure it will exceed the limits.

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C++ :: DFS Algorithm Malfunction - Graph Is Consistent

Apr 18, 2012

I wrote class DFS - Depth-first search. This algorithm check that this graph is consistent. Below is code of class

Code:
#ifndef DFS_H
#defineDFS_H
class DFS{
private:
std::stack<int, std::vector<int> > stos;//stos do przechowywania wezlow w dfs'ie
int *odwiedzony;
int liczbaWezlow;

[Code] ....

When i initialize dfs i use 2 parameters. On the next step i would like show all content array odwiedzony. Regardless of the given parameters of the array always has a value of zero. Where i made mistake and how to repair?

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C++ :: Graph Class - How To Provide Virtual Iterators

May 29, 2013

I have a 'Graph' class, which has derived classes for Adjacency Matrix and Adjacency List representations.

How do I provide iterators for traversing vertices and edges, when the iterator classes would have different implementations for the different derived classes ?

The following way is the only one I can think of, but seems quite cumbersome.

Code:
class Base {
public:
class BaseIterator {

};
virtual const BaseIterator& begin();
virtual const BaseIterator& end();

[Code] .....

Or is there a pattern for doing this that I'm not aware of ? Would composition be a better idea here compared to polymorphism ? I mean, I can think like..a Graph can 'have' several representation 'objects' within it.

All the involved classes are templates,not sure if that makes the situation different.

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C :: Excel Graph - No Result When Try To Open File

Jan 14, 2015

Is not the first time I upload this program i know, but the problem now is that i try to export files, because i need to create an excel graph. But when I try to run it, I don't have any result, no file and no result of the program.

Code:

#include<stdio.h>#include <time.h>
#include <cstdlib>
#include <math.h>
int randfun(double arrX[], double arrY[], int size);
int cenfun(double arrX[], double arrY[], int size);
int rotatefun(double arrX[], double arrY[], int size, double center_x, double center_y, const double angle);

[Code] .....

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C :: Make A Live Price Chart Graph

Dec 14, 2013

The only language I know so far is C. Is there any way I can use c programming to display a live chart for a price graph including volume in different time intervals that I want to select. I want it to look like this URL....

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C++ :: Reading Tab-delimited File - Information Of A Graph

Jan 10, 2013

I have a network data file that looks like this:

2476
112
213
321
426
531
634
7312
843
945
...
...
...

The first row has two values - number of nodes (24) and number of links (76). Then it has all the link details (76 rows of data). I want to read this data. I have written out the following function:

First the structure definitions:

typedef struct {
int arcno;
int tail;
int head;
} arc_data;
typedef struct {
int forwardStarPoint;
int reverseStarPoint;

[Code] .....

The code is able to read the first line of data (i.e. it displays the numNodes and numArcs as 24 and 76). But then I get a lot of errors like this one

`Access violation writing location 0xCCCCCCD8`.

The program then crashes.

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Mar 22, 2013

Any example of a graph search algorithm that uses a recursion and linked list based stacks to determine a route from a single point on a graph to another single point on a graph?

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Apr 28, 2014

I'm working on a Dijkstra's algorithm with a fixed graph. My question is, how should I go about assign distance values to the graph. The user can start from any node.

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Apr 30, 2013

I want to make such application in which user make directed graphs along with relations between them. After that application show that which graph properties are proved in this graph e.g Reflexive, Irreflexive, Symmetric, Anti Symmetric, transitive etc

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C++ :: Utilizing Arrays Create Vertical Asterisk Graph?

Jun 25, 2013

This program needs to display a vertical graph of asterisks showing production for each plant in the company ...

Here is what I have so far:

***********************************
This program will read data and
display a vertical graph showing
productivity for each plant.
Reference Display 7.8 pg. 401-3
***********************************
*/
#include <iostream>

[Code].....

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C++ :: Represent Each Inputted Amount Of Rainfall Into A Graph With Loops?

Mar 15, 2013

I need to represent each inputted amount of rainfall into a graph like this.. how would I do this with loops?

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May 7, 2013

I would like a to plot a 3d graph that connects with lines some points in 3d space.

I have tried with qwt3d but the problem is that I cannot add labels to the points. Furthermore i didnt achieve to find a good guide for qwt3d and there are very few qwt3d examples on the web. library for C++ plotting that has those options(3d plot with adding labels in every point (node) option)?

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Visual C++ :: Implementing Real Time Graph To Application?

Nov 15, 2013

I was assigned a project to implement a real time graph to an application which continuously outputs data numerically through the GUI. The application that was created to do this is written in C.

I have to turn those numerical numbers into a graphical display that is periodically updated to appear as real time.

My adviser suggested using NTgraph [URL] ...... I had no clue how to implement this to my code and was finally able to understand that the .OCX needs to be registered as a COM and then imported to the application using visual studios. However, I get an error when I try importing it since it is in C (Visual Studios 8) and not an MFC application.

So my question is if it would be possible to implement the ActiveX control to my application even though it is not an MFC application and how to go about it.

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C++ :: Random Directed Acyclic Graph Generation - Error LNK2019

Apr 14, 2013

This is a code I've written for Random Directed Acyclic Graph Generation:

Code:
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <time.h>

using namespace std;

[Code] .....

However this gives two LNK2019 error codes. I'm new to coding... I'd like to learn what I'm doing wrong.

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