C++

Forum

Beginners - April 2021 (Page 6)

How to pass toupper to a string in a 2D array

Hello, I'm working on an assignment and I'm having trouble with it. The instructions are to just use 4 libraries and they are, <iomanip>, <iostream>, <string>, ...

[5 replies] Last: Thank you everybody! It's always nice seeing the amount of different w... (by av16352)

by closed account ShqoT05o

Bool function

Need help with a bool function in which returns1 (true) if the class instance B is divisible by a base 10 integer x. Otherwise, it returns 0 (false). using name...

[5 replies] Last: IF that is what you need, then consider: #include <string> #include... (by seeplus)

by FairMeaty

Exception handling and Debug Assertion Failed Window

Greetings. I am learning about exception handling. The following code will give an out-of-range error. When I tried to execute the code, it pops out the "Debu...

[3 replies] Last: @OP, did you run the code in DEBUG mode in Visual Studio? In DEBUG mod... (by thmm)

by alexas

AxisAngle rotation reverse?

I have 3d objects which are translated at certain z from each other and rotated. The information of the rotations are saved in the vector as AxisAngle format: {...

[7 replies] Last: it's the same, when you add 180 to the angle, you get the opposite. ... (by keskiverto)

by luckylukebrooks

Array Error (1,2)

So I'm writing code that will prompt a user for the size they desire for an array, then I have to create an array of that size later i will have to loop aski...

[22 replies] Last: If you really want to use new/delete (you shouldn't), then: #includ... (by seeplus)

by ninetails99

Create Alphabet from Array 2 dimensions

#include <iostream> using namespace std; main() { int arr = {{0,1,1,1,1,1,1,0},{0,1,0,0,0,0,1,0},{0,1,0,0,0,0,1,0},{0,1,0,0,0,0,1,0},{1,1,1,1,1,1,1,1},...

[7 replies] Last: #include <iostream> using namespace std; const int M_SIZE {8}; int... (by againtry)

by Bill1266

Using Environmental Variables in Windows 10

This is a set up question. I have a beginner's book which uses the MinGW compiler. After installing the MinGW program I am instructed to add the path C:\MinGW ...

[5 replies] Last: Thank you everyone. I'll read up on batch files. (by Bill1266)

by jamesbarnes69

string error

hey! I am really new to programming, so please dont kill me if there are any huge mistakes hahahahahah. My question is, what should I do to fix the error: mai...

[1 reply] : goto is bad, very bad. You have no way to programmatically terminat... (by deleted account xyzzy)

by felineocity

Unable to find the largest element in array using Dynamic Memory Allocation

So I've gone over my code and tried looking at archives but I'm not sure where I'm going wrong. When I use the following code, it gives me the largest index num...

[3 replies] Last: my code would not work setting it to nullptr for multiple reasons. f... (by jonnin)

by jaffe15

!= function linked list

Hi, First time using both pointers and iterators. I am stuck on overloading the != operator for my iterator. I get segmentation fault when I use the one I trie...

[1 reply] : Line 26: How do you tell that two iterators are not equal? (by Ganado)

by batzot

i want to enter q to quit the and y to play the game again but im not sure what code to use. any suggestion??

#include <iostream> #include <cstdlib> #include <ctime> using namespace std; int main() { cout << "\t\t\tWELCOME TO THE GUESSING GAME\n" ; cout << "\t...

[16 replies] Last: so thats the test cases? To answer your question, one way of looking... (by againtry)

by nhantrivo

Please help me with file I/O

Hello there, I am working on an assignment and the instruction is below. This fifth assignment will allow you to better explore the concept of File I/O wit...

[6 replies] Last: Perhaps: #include <iostream> #include <fstream> #include <string> #... (by seeplus)

by lelouch420

file i/o loop

Hi! We're pretty far in this class now and we just did functions. For this assignment, we had to convert all of our last assignments into functions... yada yada...

[2 replies] Last: Thank you. My brain is not working right now lol! so simple! (by lelouch420)

by DKSpeed

fstream

If fstream is for reading, writing, or both, then what is the purpose of using either ofstream or ifstream? I have searched the articles on this site that give...

[3 replies] Last: why I would use ofstream or ifstream instead of fstream. To express i... (by Ganado)

by keskiverto

Help with problem

Please note that this is not a homework site. We won't do your homework for you. The purpose of homework is that you learn by doing. However we are always willi...

[no replies]

by kevin0211722

SFML CANNOT FIND -LSFMLxxxx

Hi guys! I'm trying to use SFML to make a program. However I couldn't set up the SFML successfully. This situation drives me crazy. I'm using code blocks as...

[1 reply] : Assuming you're following this to some degree: https://www.sfml-dev.or... (by Ganado)

by domweng

How to use 2D Arrays with different types?

I have this 2D array code that I don't really understand but can somebody tell me how to use both dimensions (NUM_MONTHS & months) in the same function, though ...

[9 replies] Last: are you still struggling with arrays to functions? here... #includ... (by jonnin)

by y19177

A question on sizeof

Trying to practice recursive function. Not sure why the expression sizeof(p) / sizeof(p ) cannot be used here. When compiling, it gives out "CH15.5.cpp: In fu...

[8 replies] Last: #include <iostream> int sumArray( int *p, int n ); int main() { ... (by lastchance)

by empleat

cin.get() not calling anything + how to find info?

I can't understand this program what cin.get() is supposed to accomplish here? It is not calling anything! I googled it and found as only usage - to read ist...

[7 replies] Last: [quote=empleat] I don't have imagination, but I Am very creative If y... (by JRManx)

by coder0101

adding letters to a string

I am writing a program that can add letters to a vector then display all elements of the vector. However, once I add letters, the vector doesn't print out anymo...

[2 replies] Last: You mention letters (which are type char) but use type std::string?? ... (by seeplus)

April 2021 Pages: 1... 4 567 8... 12

Archived months: [mar2021] [may2021]

This is an archived page. To post a new message, go to the current page.