Beginners - March 2021

How to add a time lock?
 
Okay, so I made a program and I want the User to no longer have access to it after a certain date wh...
[9 replies] Last: You wanted any ideas, but accepted none of them with your pie in the s... (by salem c)
STL vectors
 
I am trying to write 3 different types of algorithms which create arrays using vectors STL( 1-st les...
[13 replies] Last: I guess the issue occurs because I was trying to use specifically res... (by MikeyBoy)
by PK Dey
const string& str
 
Could someone please explain "const string& str"? #include <iostream> #include<string> using n...
[1 reply] : It passes the string by const reference . This means that the str in ... (by Ganado)
Doubly Linked List iterator
 
Hi everyone, so today I have to deal with doubly linked list and using Iterator in it. I still don't...
[3 replies] Last: It's hard to tell without seeing the declaration of DLinkedList<>, but... (by dhayden)
how to get specific text from string?
 
I want to get player name from Chat log. Now I just need to find it from this line (param 1: `5<`2pl...
[5 replies] Last: @seeplus, I noticed that, but I have had trouble with the (`) in the ... (by Handy Andy)
by BradyS
Value return function trouble
 
I have an assignment here for a value returning function that uses another function to obtain the va...
[2 replies] Last: [quote=salem c]C++ doesn't allow functions to be declared inside other... (by MikeyBoy)
by PK Dey
c = a % b;
 
Shouldn't c be zero when a = 6 and b=9? #include<iostream> #include<math.h> using namespace ...
[2 replies] Last: Don't confuse division remainder (modulo division) (%) with integer di... (by seeplus)
Sum of Range
 
Hello everyone, I am writing a function to find a sum of a range. I have a function that works in ...
[13 replies] Last: Yep. As from first principles: S = m + (m + 1) + (m + 2) + ... + (n... (by seeplus)
Random number seems to get stuck in a loop?
 
So, I'm working on a number guessing game in command console. Right now, the player enters a number...
[7 replies] Last: If this is for an assignment, you might be doing it wrong. Normally wh... (by dhayden)
by NiceS
Writing to text file
 
Im trying to add in another extra row of data to the checkout txt file whenever a tool is checked ou...
[4 replies] Last: Im trying to add in another extra row of data to the checkout txt fil... (by seeplus)
map, unordered_map...Nope, Vector Of Pairs!!
 
This personal experiment is something new to me. I have a 2d vector of maintenance codes. I wanted...
[11 replies] Last: That makes sense. Me personally, I like the unordered same frequenc... (by Brian845)
by medosz
find the largest integer in the array with recursion
 
This program finds the largest interger in the array. I am trying to understand it but I am struggl...
[8 replies] Last: Thank you for your help. It helped a lot. (by medosz)
by ok304
2 matrices, one with string other with int
 
im trying to make a simple program to practice 2d arrays in c++. the string array is simple name & ...
[7 replies] Last: thanks! works great and it looks way easier than the version i thought... (by ok304)
Stack in CodeBlocks
 
can somoene explain how this compiles nothing in CodeBlocks. thanks beforehand #include <iostre...
[4 replies] Last: okay i figured it out, thanks! (by somecuriousguy)
Overloading unary operators
 
Hello! I was trying to overload unary operatirs ++ and --. You can see the code below. And this is t...
[2 replies] Last: Keskiverto, I'm really grateful to you! It was a very primitive mistak... (by crueltyfree)
Function problems
 
So I have a project where I have to do the following: The program calls the following functions, ...
[17 replies] Last: @seeplus, I missed the lack of the space in line 2, but I agree it is... (by Handy Andy)
Help finding duplicates within an array
 
Please help don't know how to do it. I'm done with what I'm supposed to do in my class assignment bu...
[10 replies] Last: Thank you help for the help, I really neeeded it. (by Growthra)
by Pepito
cannot be used as a function
 
Good day, I keep getting this error whenever I want to call the function list(c) it says cannot be u...
[2 replies] Last: My bad, sorry I'm just new here, I didn't know threads aren't deleted ... (by Pepito)
Explain me output of the below program (1,2)
 
Explain me output of the below program int main() { static int arr1 ={0,1,2,3,4}; int ...
[20 replies] Last: >>I suggest you start analysing I have analyzed the code "pointers... (by sunil kumar g)
Loop not continuing in stack program
 
Hey guys my code is working just fine for a postfix calculator but for some reason, the code provide...
[3 replies] Last: cout << "Enter another equation?(y or n)"; cin>> tmp; if(tm... (by seeplus)
March 2021 Pages: 123... 13
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