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Beginners - June 2015 (Page 9)

How to decrement a value within a loop?

Hello, I'm having quite a bit of trouble with this question. I'm following along with a book and have been scratching my head trying to figure out where I'm goi...

[2 replies] Last: Feel incredibly stupid now. 'i' didn't even need to be present. Markin... (by Hcode91)

by rex21

First output is always wrong in do-while loop?

Hello. I'm new to C++. I was just practicing this code and I noticed that even if I input 5 or 1 or 2, the first output result is always wrong in the loop. If I...

[3 replies] Last: Thank you, MiiNiPaa. Actually I initially wrote the code with While lo... (by rex21)

by Xentro

Map/Set iterators not incrementable.

So I have the following piece of code: std::vector<std::string> Monsters; for (auto & e : Game::GetGameObjectManager().GetGameObjects()) { if (e.second->Ge...

[10 replies] Last: Ok you fixed it, it was indeed the call of my CheckMonsters function w... (by Xentro)

by calz

Change every four letter word to 'love"

Write your question here. #include <iostream> #include <string> #include <cctype> int main() { using namespace std; string one_line, s...

[15 replies] Last: Thank you very much guyz. (by calz)

by Dmytro

As in the method of the class to create a dynamic array of objects and initialize values each of these??

...

[16 replies] Last: You can show the code how that would be an object of class dysk it can... (by Dmytro)

by composter

object variable does not stay the same, why?

Write your question here. below you can see that my constractor is giving my object a random number(which i can see when the program runs), but once i call ...

[4 replies] Last: Overall, the rabbit::rabbit( int r ) { int b = r%10; int rabbitAg... (by keskiverto)

by Ch1156

Why doesnt this work?

I am trying to get the entire contents of a text file, and i am looking at this push back reference and I copied it almost the same, but It still wont work, why...

[2 replies] Last: ah ok thank you. (by Ch1156)

by Arslan7041

Trying to understand this program?

I'm trying to understand the following program which is given in the tutorials section of this website, under "Pointers to functions". #include <iostream> us...

[3 replies] Last: A function can be implicitely converted to pointer to it. So an addres... (by MiiNiPaa)

by CorvetteDude427

Unique Pointers

Hi, I'm trying to get some practice with smart pointers (specifically unique_ptr), but my compiler doesn't support C++14 so I cant use make_unique, which is wha...

[2 replies] Last: Use the reset(...) member of unique_ptr: unqSaPtr .reset (new Savings... (by coder777)

by cCppLearner

clearing c buffer

when using scanf, how do i clear the input buffer without using fflush?? im using it in linux and some ways in the internet causes segmentation fault. Thanks...

[1 reply] : http://c-faq.com/stdio/stdinflush.html http://c-faq.com/stdio/stdinflu... (by MiiNiPaa)

by Labyrinth

How to continue getline, find keywords.

I'm trying to read a set of numbers from a large text file, and write them into a second text file. The text I have comes in a zillion blocks that looks like...

[9 replies] Last: never mind, I see you changing the value of a1out and then resetting i... (by SamuelAdams)

by Elzcode

Summary of number of times program runs

So, I got my program to work, finally. But I just noticed I did it wrong (kind of). Every time the user enters -1 to display the summary the number of additio...

[6 replies] Last: @Elzcode, Here I have used the while loop and only implemented plus ... (by CodeWriter)

by jpanther

array bounds checking while reading data

Hello everyone, I have a program I am trying to tackle by breaking it down into workable parts, the program is complete but has an issue I can’t figure out....

[2 replies] Last: Thank you so much!! By adding that other flag, solved everything. Than... (by jpanther)

by nofish

const char*

Hello, new member here currently learning C++ in self study. I have the following code: const char * pchar = "123456789"; cout << pchar << "/n"; // ...

[9 replies] Last: - pchar 0x00417838 "123456789" const char * 49 '1' const char (by Dmytro)

by Arslan7041

Member initialization lists in composition?

Why is it necessary to use member initialization lists when doing class composition? Is that just what the creators of c++ decided the syntax to be, or is there...

[7 replies] Last: Actual or admitted date of birth? Andy (by andywestken)

by cCppLearner

C scanf error

Write your question here. In my code, scanf is keep passing leftover values to next scanf. I already used fflush, but it is not working. I attached both code a...

[no replies]

by spsrijan

Program crashes for generated string

Here I am trying to implement longest common sub-sequence algorithm for two randomly generated strings. This program gives me expected output for two given stri...

[4 replies] Last: okay :) (by spsrijan)

by madara

string pallindrome

i am writing a program of string pallindrome, code is compiling successfully but on running it accepting the string but nothing after that, the output window st...

[5 replies] Last: And remember, variables are not automatically inititlized in C++ so if... (by andywestken)

by krammer1280

Help: nested while loop pattern

[4 replies] Last: Please, do not delete your posts, it is rude for everyone who helps yo... (by MiiNiPaa)

by closed account N1Co216C

Printing a string of Characters and integers

Hello, I was wondering if there is a way to have a program output a string with both characters and integers. What I want to do is create a program that can ...

[3 replies] Last: Why can't you just get the Powershell script to read the file? Or wil... (by andywestken)

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