Beginners - April 2017 (Page 21)

Issue with Output of function to convert decimal to roman numeral
My progranm compiles but does not output the correct roman numeral. If under 100 it ouptuts a blank and if over 100 it outputs MMMMMMMM. A push in the write dir...
Apr 13, 2017 at 4:59am
[4 replies] Last: It compiled for me but my compiler did not display these warnings. ... (by TheIdeasMan)
Passing vector of strings and comparing to ASCII values
Im using the SFML library and the TGUI library, first one to create a window and the second to have text boxes to get some user input. I take the text, conve...
Apr 13, 2017 at 4:29am
[1 reply] : Woop woop! Figured it out meself! void Information::isValid(std::v... (by ArmenHeat)
2D array similar to excel
I am working on a project that makes a spreadsheet like excel (It is 26 by 26) and preforms certain calculations that will do the following Store specified d...
Apr 13, 2017 at 2:47am
[no replies]
If Then Else running Then no matter what
When I run this it executes the Then portion even if it doesn't meet the parameters. #include <iostream> using namespace std; string word; char first...
Apr 13, 2017 at 2:44am
[3 replies] Last: Why not ignore the rest after 'a' and go to the Else? Because if the... (by mbozzi)
by rantiv
How to use functions from the class members in main
I am making this program simulates an ipod and has songs and makes playlists. We are using lots of pointers which I understand them but not necessarily how to i...
Apr 13, 2017 at 1:59am
[no replies]
increment operator output doubt
I'm new to C++ and have been having little problem with increment operator int b=2; cout<<++b<<"\t"<<b++; Output: 4 2 But,i expect the output to b...
Apr 13, 2017 at 1:59am
[7 replies] Last: > so its actually related to compiler, It is related to the language ... (by JLBorges)
Function to generate random row/column position in 2d array
Hey all, So currently, I am trying to create a bool function, passing in two-dimensional array and the size. This function will generate a random row/ column p...
Apr 13, 2017 at 1:50am
[3 replies] Last: See: http://www.cplusplus.com/forum/beginner/213027/ (by JLBorges)
STL print everything and swap 2 lines if there is 2 lines
my list doesnt print anything #include <iostream> #include <string> #include <list> #include <iterator> using namespace std; const int NUM_LINES = 5; int ...
Apr 13, 2017 at 1:36am
[3 replies] Last: i noticed that all my computations happen inside of the if statements ... (by seungyeon)
how to add sub classes together
Idk how to add the calculateCost from the other sub classes and base class together. Help. void PackageInventory::CalculateTotalCost() { cout << "\...
Apr 13, 2017 at 1:28am
[6 replies] Last: this function by itself seems OK, the problem is elsewhere in the prog... (by gunnerfunner)
how do i let he user input characters into a list
Write your question here. #include <iostream> #include <list> using namespace std; int main() { char a ; char charinput; //declare list li...
Apr 13, 2017 at 12:38am
[5 replies] Last: Hello seungyeon, I do not use lists very often, so yesterday I became... (by Handy Andy)
Where to check for conditions?
Hello All! I am a bit confused on where to check for conditions. This is a separate class that is combined with a base class "Package" and it other sub classes....
Apr 13, 2017 at 12:00am
[1 reply] : it's better to check these conditions through the Package ctor and ens... (by gunnerfunner)
by Ch1156
help understanding npos code
So I am just trying to learn more about strings and I am having trouble with npos, I cant seem to visualize or grasp what its doing, I think I might know but I ...
Apr 12, 2017 at 11:48pm
[1 reply] : So the .find returns the position it found the character at, in this ... (by integralfx)
by const
Searching multi dimensional array for smallest and greatest values
Program I am trying to complete initializes a three dimensional array with random values between 0-9, prints the array, and searches the array for the 3 smalles...
Apr 12, 2017 at 10:11pm
[2 replies] Last: Use std::vector::assign to flatten the 3D array into a std::vector –... (by gunnerfunner)
Drunk Walker Program
So - Just a warning - this is a big question and will require me to post a lot of code. I'm working on a program called drunk walker. It starts as an array of p...
Apr 12, 2017 at 10:00pm
[1 reply] : Your program does enter the switch statement but then gets stuck there... (by keineahnung)
STL List how do I input a line into the list?
i press one the menu i cants input a line it just ,outputs "enter: " #include <iostream> #include <string> #include <list> #include <iterator> using namespa...
Apr 12, 2017 at 9:39pm
[4 replies] Last: why is my "Enter a line " print twice? the new-line character is lef... (by gunnerfunner)
making char's integers
#include <iostream> #include <fstream> #include <cstdlib> using namespace std; int main() { char next; ifstream in_stream; in_stream.open("data.tx...
Apr 12, 2017 at 9:01pm
[3 replies] Last: I appreciate it thank you so much!! (by taf0110)
How to enter more than one number in cin
Say i Debug my code and it asks me to enter numbers. IF i want to enter more than one number in the cin part, what code would i use? like i know it would prob...
Apr 12, 2017 at 8:36pm
[4 replies] Last: //best way int num1,num2,num3; cin >> num1 >> num2 >> num3; //your... (by seungyeon)
Help with homework and i have no idea where to start.
I am seriously confused with my homework ever since we started adding loops to the party. What i have to do is prompt the user for how many numbers they are goi...
Apr 12, 2017 at 8:19pm
[2 replies] Last: Just like joe said. Its really simple if you can use vectors vector... (by kingkush)
by xxvms
find number
Hi there :) I am trying to create game find a number. User picks number from range up to 100. Lets say 21. Program should ask user if number he/she selected i...
Apr 12, 2017 at 1:54pm
[4 replies] Last: Hi Coder777 and Skinding thank you for your help :) I will be revie... (by xxvms)
Am I going at this all wrong?
So here is what I need to do... Write a program which accepts a total purchase price and computes any discount. Purchase Price Discount %...
Apr 12, 2017 at 1:12pm
[2 replies] Last: I had only 30 minutes to make it so I took a guess. I have no idea wha... (by CloakedJ24)
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