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Beginners - March 2019 (Page 2)

Hello, I have four files: AllOnesGA.cpp, GeneticAlgorithm.h, Individual.h, Population.h My idea is to include the .h files in the .cpp file but it doen't work...

[2 replies] Last: It depends entirely on what the dependencies are. Any file (be it .cp... (by salem c)

by usmannazir

Directions

In the code given below, Line # 91 stores a value to the east of i=0 and j=0. using [k + 1] as index terms. Line # 92 stores a value to the west of i=0 and ...

[3 replies] Last: 1. Add some convenience variables. 2. Rename some of the cryptic 1 and... (by salem c)

by grizzlei

timer function - how to improve?

I don't feel so comfortable using the following code I wrote. How can I make it better? #include <time.h> void timer(int interval){ clock_t timeIn...

[3 replies] Last: Your program loops as long as 'interval' endures through your while lo... (by nuderobmonkey)

by closed account N8MNAqkS

Plz help

so here's my problem. despite making the class "PointerC" public, I cant use it anywhere else. basicly all this program does is print pointer values to the scre...

[7 replies] Last: > If Int is calling a variable, then PointerC is like int. We say 'int... (by salem c)

by BIGB185

Create 3 functions that print initials using asterisk.

I'm writing a program that is supposed to print out the 3 letters of my initials using asterisks. My problem is I keep getting the error message, "a function-d...

[4 replies] Last: Thanks again AbstractionAnon. I was a little tired and out of it earl... (by BIGB185)

by sunshine4

Attempting to create a 2D dynamic array for unknown values

I have a file that I need to read. The file should be read such that once the code reads a number all the following strings goes in to that row of the array. Fo...

[6 replies] Last: Thanks all...tried all. lastchance's and dutch's worked as listed. The... (by sunshine4)

by haro227

Program returning "inf" instead of calculated value

I am new to C++ and in order to practice, I tried writing a program on an online compiler to calculate the Maximum Stress in cantilever beams when placed under ...

[4 replies] Last: Thank you so much everyone for the advice! My code is now working corr... (by haro227)

by sr2cute702

Smart way of finding a number with changing the range

Hello, could you help me in adding additional logic when the find number function randomly pick a number less than the guess number or greater than the guess...

[1 reply] : the smart way is to not pick randomly, but to cut it in half every tim... (by jonnin)

by Alb13G

exponent function Without POW or Multiplication (1,2)

this seems challenging Write a function that accepts two input parameters and computes the result of raising the value of the ﬁrst input to the value of the s...

[21 replies] Last: I was saying you can use the * function you wrote, using adds... as f... (by jonnin)

by ICantC

Parse question

I'm trying to parse a text file which will have many lines similar to this: 2019-03-25 08:43:12,628 [23 ] DEBUG [Msg:533] - 83051731101211 and I want to ou...

[8 replies] Last: edit: it also stops reading the line once a character is hit rather th... (by jonnin)

by springleaf

Beginners Hangman quick

Use IF, loops, switch, and string statements to create a basic hangman program. You will have to: 1. Create a string variable for the secret word 2. Create a st...

[4 replies] Last: // basic hangman program #include <iostream> #include <string> using ... (by MikeStgt)

by kyrresc

Pass by value

Hello, I had a question regarding passing parameters by value into a function, and what exactly happens. int* test(int b) { b++; return &b; ...

[3 replies] Last: Yes. b goes out of scope when the test function ends. (by Peter87)

by wirelesskill

Help with editing/correcting code

Hi all, I've completed a basic assignment for a class of mine. This is a assignment where you need to use classes to basically show a price of comuputer, mon...

[1 reply] : > *this = Complect (name, computername, monitorname, price); All these... (by salem c)

by Bopaki

Program compiles OK but bombs out when running it

The skeleton of the program in from the bo0k by DS Malik. Three functions were not defined there and I defined there and I defined them myself viz: int searc...

[2 replies] Last: Thank you very much lastchance!!!! It worked very well after changing ... (by Bopaki)

by ames1951

Why am I getting garbage values

The program out puts almost correctly, but does not give me the grade,instead gives me garbage values. #include <iostream> #include <string> #include <fst...

[9 replies] Last: Thank you ! (by ames1951)

by daveed

Anyone know why my find method is returning false all the time?

When I try to get true by inputting the correct isbn, it still returns false. Any Ideas? bool Warehouse:: find (string isbn, Book& book) const{ boo...

[1 reply] : Use a debugger, or add some debug printing of your own. for (int... (by salem c)

by daveed

Why is my list method only printing the last book

I am building a list method to print out all the books in the warehouse. Which in theory should print all the books read from the file book.dat. However, when r...

[1 reply] : > istream& operator >> (istream& is, Book& book){ This reads the WHOLE... (by salem c)

by gifm

Loop with Nested If Problem

Hello, I am trying to do a program that involves loops and a nested if. The user needs to input a hotel specification, and if it meets the criteria to ask furth...

[2 replies] Last: Thank you. (by gifm)

by simulationspecimen

Overloading Functions

I'm learning about overloading functions. The program must multiply an integer, double and a combination of integer and double. What I'm having trouble with ...

[2 replies] Last: I think it's asking to display the product of the integer and double m... (by simulationspecimen)

by cool123dude

PR Numbers

Problem link : https://www.hackerearth.com/challenges/competitive/march-circuits-19/algorithm/pr-numbers-160aa0c9/ Can anyone help to explain problem statement....

[6 replies] Last: so, my given numbers are right in between 1 and 100 ? (by cool123dude)

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