49,766 Topics
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| | I have a assignment on Knapsack(tree and bound) and went online to find out how to code tree and bound in c++ but most of the resource are all theories. Thus I don't know how to begin coding and need some help to start off.  |
| | Requirement: To distribute a list of sorted numbers in evenly sized group based on the sum which will be fixed. For example 4 11 16 18 49 74 90 100 101 --> Sorted list Sum = 100 --Fixed Groups will be Set1 = 103 Set2 =101 Set3= 100 Set4= 90,4 … |
| | can anybody have idea about maze traversal in c++ language # |
| | can any help me i have to do my assignment that how to swap 5 number using pointer in c++... |
| | I have delared two multimaps such as; multimap<int,vector<int>> allpathsmap; multimap<int,vector<int>>:: iterator itapm; typedef pair<int,vector<int>> pairapm; multimap<int,vector<int>> graphtextmap; multimap<int,vector<int>>:: iterator itgtm; typedef pair<int,vector<int>> pairgtm; And I wrote the following code to traverse the values of multimaps to print the key; for(itgtm=graphtextmap.begin(); itgtm!=graphtextmap.end(); ++itgtm) { for(itapm=allpathsmap.begin(); itapm!=allpathsmap.end(); ++itapm) { cout << endl …  |
| | Hi Friends! I have tried to find all possible paths between two nodes; #include <iostream> #include <vector> #include <queue> #include <map> #include "fstream" #define max_edges 16 #define MAX_NODES 5 using namespace std; bool isadjacency_node_not_present_in_current_path(int node,vector<int>pathway); int findpaths(int source ,int target ); void display_all_paths_map(); vector<vector<int> >GRAPH(100); vector<int>pathway; map<int,vector<int>> allpathsmap; map<int,vector<int>>:: iterator … |
| | Hi. I'm getting the following message when I try to overload operator= here in line 830-833. I have also included the error messages. Thanks #include <iostream> #include <string> #include <limits> #include <vector> #include <iomanip> #include <cstdlib> using namespace std; /** * Global Variables */ string k; int pmem, plen; int …  |
| | Hi Friends, I have a graph in text file (origin, destin, link_id) such as 1 2 1 1 3 2 1 5 3 2 1 4 2 3 5 2 4 6 2 5 7 3 1 8 3 2 9 3 4 10 4 2 11 4 3 12 …  |
| | 7) Write an implementation of this class using the C++ language. (i.e. implementation of the abstract class and all of its functions definition) a. Class label: MyClass b. Private members: int y, int array[10] c. Public members: void sety(int a); int gety(); void set_array(int a[], int size); MyClass(); MyClass(int a, … |
| | Can any one convert this Java code to c++? import java.util.*; import java.io.*; public class Test { private static HashMap<String, List<String>> left_map_rights; public static void main(String args[]) throws Exception { left_map_rights = new HashMap<>(); BufferedReader r = new BufferedReader(new FileReader("routes.text")); String line; HashMap<String, Void> lines = new HashMap<>(); while ((line … |
| | Write the following functions: Main: declare an array of size 7 with random numbers, call the following functions. * PrintArray: prints the elements of the array. * SumArray: Return the sum of elements of the array. |
| | Hi! I'm trying to count the number of occurrences of each word in a text file. But program put in the file the first symbol of inputed word only (line 34) and don't enter in the for-statement (line 51). What should I serach for in my code in order to … |
| | First of all I apologize if the title is a bit vague, I couldn't phrase my question to fit in the given space. So given you have an array of floats that you want to cast as a pointer to a struct containing only floats, assuming the array size is … |
| | the code is the following : BSTR MethodName = SysAllocString(L"DefragAnalysis"); BSTR ClassName = SysAllocString(L"Win32_Volume"); IWbemClassObject* pClass = NULL; hres = pSvc-> GetObject (ClassName, 0, 0, &pClass, 0); IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc-> ExecQuery ( bstr_t ("WQL"), bstr_t ("SELECT * FROM Win32_Volume"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); IWbemClassObject *pclsObj; … |
| | Hi. Can someone tell me how to output a two-dimensional priority queue please? In particular I am using an array of priority queues. The method I use to output an array of vectors is not working. I will show the one that is working (array of vectors): if(!diskQueues[i].empty()) { for …  |
| | I have been working on this for a few days now and I am having trouble understand how to create a paralell array between the seatList and seatPrices so the user can reserve that seat. I was wondering is someone could explain how it would work so I can write … |
| | hi guys i need a small help about drawing gragh. program should include [this](http://postimg.org/image/xmx2aagxr/) user interface. User will enter a and b values then click the draw button. Then program should show the graph of function. i will add the type of function and the formula of it, if anybody …  |
| | Hello funs2code! I have the following problem. I need to count the number of occurrences of a concrete word in a text file. I've tried to count the number of occurrences of each word at first. The following code has no errors but it isn't working! When I type in … |
| | Hi, I am new to ASP.NET and I have a challenge here: I have to create a webpage which should take C/C++ program from textarea and should produce output of the program below the textarea using label when a button is clicked on the webpage. I have no difficulty creating …  |
| | I'm working on a C++ program to convert MPH to minutes and seconds. I'm stuck. This is my code so far. It runs, but when I key a value (i.e. 6.5), the program crashes and stalls. What I am overlooking? |
| | Hello I'm new to programming in general and this was one of the assignments I did. I was suppose to create a class called employee that includes three pieces of information as data members - first name, last name, monthly salary. Then was suppose to write a test program that …  |
 | Hi. I try to change the text color of console in C++. I know some commands like . system("color fg"); But I want to change the color of only one line of console. Is this possible? Would someone help me, please? |
| | Hi I've got most of the code finished but I can't for the life of me figure out how to correctly count neighbors for the edges and corners of the array. These are the rules. If the cell is currently empty: If the cell has exactly three living neighbors, it … |
| | Hello so hopefuly someone can help me but i cant seem to find the error and my teacher is in Flordia for the next week so i dont have him to ak for help. So my project was to read input from 11 .cpd files one at a time and … |
| | I am trying to set up a program that will allow the user to be able input the size of sn object and then build an array from the inputted size. So basically have cin << size -then- int positioan [size] I am getting an error about having the array …  |
| | hello .. i just need a lil guideline... m making a program where i have to apply counting sort on the data which is comma seperated and it is written in a text file like this 59,54,40,79,38 28,98,77,71,74 24,91,56,82,51 74,36,98,29,41 39,10,52,3,24 30,5,4,70,15 29,55,40,56,23 8,94,69,13,37 79,96,54,53,29 12,29,30,99,35 63,87,64,6,6 65,56,80,37,89 total no. … |
| | what is cin>> nd cout<<.whats the purpose of these in c++ or programming???  |
| | my code is showing some problem, what i want it to do is that when the user hits space a ^ is shot from the position of the user and it moves +1 along y axis. here is my code: x2 = x; y2 = y // x = 50 … |
| | Assist me with a code to write a program that creates an array to hold bank balances for a bank's 20 clients .The program should display the average balance as well as highest and lowest balances in C++.I was given this as an assigment thanks in advance people  |
| | Hello, I have code which uses the Boost formatting library. When I try to compile the code, it gives me a single error. The code looks as follows: #include "stdafx.h" #include "DataStructs.h" #include "FileIO.h" #include <sstream> #include <boost/format.hpp> ... void SaveSingleReads() // Save the single wavelength scan(s) to a file … |
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