C++

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Beginners - October 2014 (Page 66)

matrix

Im having trouble with getting this function to work. It is supposed to return true if 3 elements in row in the matrix are the same(vertical or horizontal). Can...

[4 replies] Last: did this work for you? because it always returns true (by hhhr)

by murryrandall

whats illegal

please help me whats illegal in c++

[4 replies] Last: if(illegal==bad) result = twoyearchildscode; else result= not... (by anup30)

by davez

Expand array

is it possible to add new elements to a array?without using vector?

[3 replies] Last: int *pt = new int ; // ... delete pt; int *pt = new int ; //actual... (by anup30)

by davez

editing elements of 2d array

is it possible to edit the contents of a 2d array? how

[11 replies] Last: im already able to do those exercises (by davez)

by wolfv

compile error: invalid conversion from 'Row<3>* const*' to 'RowBase* const*' [-fpermissive]

I am getting this compile error on line 34: invalid conversion from 'Row<3>* const*' to 'RowBase* const*' [-fpermissive] What is invalid about the conversio...

[12 replies] Last: That was it! Thank you so much for your help MiiniPaa. This works: #... (by wolfv)

by turtlesavage

Help with SDL sprite animation using SDL_Event

What I'm trying to do is have a function that returns the correct animation based on the key input of the user. This is a few snips of what I have. //the d...

[5 replies] Last: Don't call the cGameLoop destructor explicitly. It will be called auto... (by Peter87)

by SomeAmazingGuy

What is the difference between enum and enum class?

From my understanding, enum declares a bunch of identifiers with an internal integer value starting from 0, 1, 2, 3... (so on). But isn't the enum class basical...

[3 replies] Last: Because it is strongly typed. Even though it has an internal type, rem... (by TwilightSpectre)

by bryan177mcsc

changing private reference through external function?

Hey guys, quick question. How would I be able to change a private variable from one class in an external function, something like a reference. Here is my code a...

[3 replies] Last: Thanks guys, I realize this question has answers much simpler than I a... (by bryan177mcsc)

by vfisher05

Need help with plinko

I'm supposed to make a plinko simulator for my class. I've been working on it, but for some reason the random number generator doesn't seem to work. When I run ...

[1 reply] : Lines 49, 52, 56 and 59 all use assignment in an if condition. Is tha... (by cire)

by ashlclm

char sentinel value in a switch structure!

Since this is an ongoing project, I am only going to post the beginning of my code. I have a switch structure which the user loops through with an int value. Ho...

[1 reply] : I'm not fully sure of what exact error that you are getting, but the i... (by TheKingOfTyrants)

by idknuttin

small problem with finding equation of line when user enters negative points

I created a program which calculates the equation of a line for the two points that the user inputs for one of my computer programming assignments, however some...

[5 replies] Last: the reason why i declared the character punct is becasue my professor... (by closed account 48T7M4Gy)

by BigPun

I want to set std::cin to the function value

I want to streamline my code by having the user's input be = to the value of the function's parameter without having to declare a larger scope variable. Somethi...

[11 replies] Last: Oh wow! I didn't know that JL. Thank you so much. That's exactly what ... (by BigPun)

by Juan3273

Capitalizing first letter in string array

I'm writing this code and I don't know how to capitalize the first letter of each string in the array. Does anyone know how to do this? Here is my attempt, this...

[2 replies] Last: Thank you, I really appreciate it. (by Juan3273)

by ozzz019

Attempting to write functions, getting errors

Hi Im trying to write a program where I write and use my own functions to calculate time in seconds. I need to calculate time in seconds of two separate user i...

[1 reply] : int calcSec(int hr1, int min1, int sec1) { int hour = hr1 * 3600;// ... (by closed account 48T7M4Gy)

by Culbrelai

Really don't get this function thing

Yeah, this program doesn't work like its supposed to. Basically, its required to have 4 functions, 2 of them void, one of them returns a string and another r...

[4 replies] Last: You are a life saver. Perfect, that's exactly what it was. They turn g... (by Culbrelai)

by RiLee92

Ofstream is not making an output file (1,2)

Hello everyone, I'm new to the forum world as I have generally in the past just scrolled through them rather than ask for help but today I am desperate for h...

[21 replies] Last: Ok I tried something today where I replaced the code in the solution t... (by RiLee92)

by lisaburlew

error LNK2019 and LNK1120

I am getting these two errors: error LNK2019: unresolved external symbol "public: class Store __thiscall Store::createStore(class std::basic_string<char,stru...

[3 replies] Last: You're welcome. You should also read the tutorials on this site. There... (by giblit)

by musonda001

Compiler error ISO C++ forbids initialization

The compiler is giving me an error: iso c++ forbids initialization of member 'raceFinish'. Is there anything I'm not doing here? #include <iostream> #i...

[2 replies] Last: line 48 is the problem. you can only initialize a data member from... (by shadowCODE)

by JJRR26

The Sieve of Eratosthenes Algorithm

Hello, The algorithm consist in that the user give a number (n) and the program have to find the prime numbers and the multiples of it, and when it finds the...

[15 replies] Last: @ JJRR26, as i mentioned earlier you cannot use any random number algo... (by anup30)

by Shipoopi

help with assignemnt plz

how would i print a upside down right triangle formed with "*"? The number of rows in the triangle would be determined by user input. Something like this: *...

[3 replies] Last: add if((a-b)==d){ cout<< '\n'; continue;} (by anup30)

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