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Beginners - November 2014 (Page 21)

cin.get() AND cin.getline() ignored by compiler..??

I am trying to let the user input a username for their blackjack account and not accept spaces in it. Why is the cin.get() and cin.getline() lines being ignored...

[1 reply] : Can you post what you have so far? (by megatron 0)

by nomnum

for loop OR string::at issue

Hey! So I am trying to make a for loop that uses 'i' (the counter/increment) as the parameter (argument?) for a string.at() function. for (int i ...

[3 replies] Last: no worries. just remember if you've defined an array with ten elements... (by mutexe)

by Reiz

Can't manage to use char pointers

Hi, I am new to C++. I'm trying to create a string class for homework. Interface was given to me. I only need to code implemetation. But I couldn't figure out ...

[6 replies] Last: Pointer is a variable that holds one value. A number. The number means... (by keskiverto)

by kymattem

Multiple Integration Methods

So, for an assignment in C++, I need to write a program which calculates the area under the curve of a certain input for a, b, and n values. I have the math for...

[2 replies] Last: Did you figure this out? (by swp147)

by harrie

new array and old array

i have problem with the howfaraway function i want newarray = old array -avg but it doesnt print and im not getting the error. void howfaraway (double i ,...

[2 replies] Last: There is more to note: void howfaraway() { // ... declare and set new... (by keskiverto)

by bookwormjadi1

Queue

Please help me w/ my programme i'm using turbo-c compiler here's a part of my program: my error is when i insert, it says call of nonfunction i hope an...

[2 replies] Last: sorry ,, its somebody said to me that insert(,); is a function : its ... (by bookwormjadi1)

by Favaro

Using if statement inside for loops

So i'm confused about this part if ( i % 12 == 0) { cout << "i = " << i << endl; } i % 12 means get the remainder of i which is zero divided by 12 is...

[1 reply] : i % 12 means get the remainder of i which is zero divided by 12 is eq... (by Peter87)

by tlephin

Not adding right

Sorry that this is my second post tonight. But I finally got this program working but its not adding correctly. Instead of 2 + 2 = 4 it equals 8. The progra...

[4 replies] Last: OH! That makes so much sense! Both problems you helped me resolve were... (by tlephin)

by ba123

Need some assistance on this.

Hello, I want to write a function named printAscending, that will take an int array and the length as its input and output each integer on a line that is greate...

[2 replies] Last: he's right. and inside the array you should do like this if ( my_arra... (by xenovia12)

by dunnDolphin

pointer arithmetic to add contents of two arrays

I'm trying to write a function that uses pointer arithmetic to ad the contents of two int arrays, putting the sums in a third array. Everything seems to fuction...

[1 reply] : Probably because you never initialize the index variable on line 55. :... (by TheKingOfTyrants)

by Endymion

Find numbers above and below the average.

I am working on a lab problem and I feel like I pretty close. I am supposed to take in 10 numbers from the user. After that I will output several things. The pa...

[4 replies] Last: Yes that does seem painfully obvious now that you pointed it out. Than... (by Endymion)

by maibinjie

building a program for cafe menu. help!

let say I want one regular coffee and one croissant. it only shows "you have ordered: 1croissant (0.75)" I want it to show: "you have ordered: 1 regular coffee ...

[5 replies] Last: I'm pretty much saying you need a counter variable. If the counter for... (by TheKingOfTyrants)

by thebest0f

divisible by 11, could use some help.

Hello all! First time posting here, my friend just recently recommended it. First semester c++ course and we are on do/while and for loops. here is the ques...

[10 replies] Last: Actually, you are correct there. I was thinking the first digit had to... (by TheKingOfTyrants)

by cyter

serializing a vector attribute of an object in c++

I have an object which has a vector attribute How do I properly serialize it to the sqlite3 database?

[no replies]

by tlephin

Always comes back as magic

I'm not quite sure what went wrong, but after i modified this so the user input is stored into an array everything comes back as a magic square. Before i was ju...

[2 replies] Last: Ah! Thank you. I totally forgot about that. (by tlephin)

by larryl

std::min() compiler error with WIN32

Hi All: I'm no beginner, but I must be making a beginner's mistake. Building the app on Win 8.1 Pro, Visual Studio 2010. The following WIN32 code:...

[2 replies] Last: Thanks Yanson: That works. I did a search for "NOMINMAX" in ... (by larryl)

by ajie9168

Short program

The instruction as follows: Given cat.h #include<cstddef> void cat(int* a, int* b, int* c, void (*dog)(int*, int*, int*)=NULL); Write a program tha...

[1 reply] : From what you have given me: First: cat does not have a body so you w... (by Precious roy)

by DAoliHVAR

Removing specific characters in string

so i have this problem. a word is written then all characters of the alphabet that are not in the word,are written after it,in alphabetical order. so let...

[7 replies] Last: So: 1) add alphabet string to keyword string 2) For each character in ... (by MiiNiPaa)

by chris1111678

Outputting a vector into a text file

I tried using the ostream_iterator method to output my vector but it hasn't worked. Are there any other methods I can use?

[1 reply] : case 1: #include <algorithm> #include <iostream> #include <iterator> ... (by shadowCODE)

by drax

undefined vectors

I have a question which I hope I can make clear to understand. Is it possible to make a loop where user will make vectors and their elements, until he finishes ...

[1 reply] : A vector of vectors could be used to do what you want. (by kbw)

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