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by PhysicsIsFun
Random numbers on different systems
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| Hi guys, I have a question: If I use std::seed_seq seq{1,20,3200,403,5*randomseed+1,12000,73667,9474+randomseed,19151-randomseed}; std::vector<std::uints32... |
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Jun 30, 2019 at 9:44pm
[5 replies] Last: Thank you guys! (by PhysicsIsFun)
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by saturnz
if else ladder troubles
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| So for my C++ class, we were assigned to make a program to assess the cost of wooden desks. Although it's advised to not ask for homework answers, I can't seem ... |
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Jun 30, 2019 at 9:02pm
[6 replies] Last: Got it to work finally, thank you! (by saturnz)
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by troyaan
ifstream dont accept a string as input.
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| (Im sorry if u saw any english erros becouse english is not my main language) Hey Guys, I recently made a function to read a file, but she has a problem that i... |
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Jun 30, 2019 at 3:59pm
[9 replies] Last: It worked thank you :D (by troyaan)
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| Need Help in this question |
| Mark has 'N' days. Initially he is at position (h1,0) on the X-axis. On each day he can go to the co-ordinates (h1+a,0) or (h1+b,0) or (h1+c,0) . He can select ... |
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Jun 30, 2019 at 1:17pm
[5 replies] Last: Isn't the purpose of competitive challenges to show the extent of your... (by keskiverto)
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by XboxOne2019
Help on a string program
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| Our teacher is very specific. He gave us a program that wants you to read in a data file with names and sort each one in a lastName,FirstName Middle method. We ... |
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Jun 30, 2019 at 12:52pm
[12 replies] Last: If you are absolutely certain of the number of names and the possible ... (by lastchance)
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by Visitorc
C++ while loop with a conditional statement. Read an input and skip every three times before taking action.
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| New to this, your help please anyone. Thanks. Extract below read's pressure value A. If it's 200000, B is actioned. However, pressure follows a sign wave flu... |
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Jun 30, 2019 at 9:59am
[1 reply] : > Extract below read's pressure value A. If it's 200000, B is actioned... (by salem c)
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by sindhu05
Problem with Setw function...
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| Please note the only print_strip(int picked_team, int wickets) function in the program. The problem I am getting is in the setw() command I am using and it is... |
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Jun 30, 2019 at 12:08am
[4 replies] Last: Ok, I got it :) I went with to_string option and it worked perfectly ... (by sindhu05)
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| assignment |
| encrypting and decrypting using the alphabet; Assignment Specifications Decryption and encryption is a very useful activity to hide messages or data. Encryp... |
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Jun 29, 2019 at 11:44pm
[3 replies] Last: so apparently my map has to start with a = 0 and b = 1. the char lette... (by marcopololara)
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by Xanadu4ever
MS Vis Studio "not a type"..??? error (1,2)
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| I am new to using MS VS 2015 - which I acquired for getting into my C++ studies and training at the moment. Long story short==> I made a simple class in a head... |
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Jun 29, 2019 at 11:28pm
[35 replies] Last: Been there, done that, bought the T-shirt. (by Niccolo)
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by kmce
while loop. While cin >> !=
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| Hi, I am doing a drill from the book I am learning from, and i need to run a while loop until '|' is entered. I have been trying such things as while cin >> != ... |
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Jun 29, 2019 at 8:00pm
[4 replies] Last: If that's Stroustrup's book, at some point he explains that any string... (by Niccolo)
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by tyshanklin
Question about return statements in a void function
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| Hi all, I'm trying to wrap my head around void functions, and the only part that I'm unsure about is the return statement. The book I'm reading gives the foll... |
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Jun 29, 2019 at 5:38pm
[3 replies] Last: There can be a use for explicit return in void function: void echoSqu... (by keskiverto)
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by DarkParadox
Classes
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| Hello, 1. Why is there '&' symbol in this parameter?? CVector operator+ (const CVector& first, const CVector& second) or this one also bool Dummy :: isitme(... |
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Jun 29, 2019 at 5:31pm
[2 replies] Last: [quote=jonnin]is the current object equal to the one passed in Carefu... (by keskiverto)
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by HoboGreed
What Is Wrong ?
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| Just starting out in C++. Why is my code so slow ? The nested loops below I think would take a day to complete while the same code in Java completes in a few se... |
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Jun 29, 2019 at 3:05pm
[8 replies] Last: Unlike Java, C++ has the concept of undefined behaviour. The original ... (by JLBorges)
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by mcclit
how to ignore the negative number that is used as a break for the for loop
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| how to ignore the negative number that is used as a break for the for loop? #include <iostream> #include <string> using namespace std; int main() { ... |
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Jun 29, 2019 at 1:25pm
[3 replies] Last: Unless I'm missing some very obvious, variable total gets initialized ... (by mycuser)
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by rad48
payment table (for loop)
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| Hi everyone I am new to C++ and have problem creating a table of payment ,for 10days max and first day payment 5 doubles every day 5,10,20,40 so on have to use ... |
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Jun 29, 2019 at 8:15am
[6 replies] Last: pay = 5; cout << '0' << "\t\t" << pay << endl; for (int num = 1; num ... (by keskiverto)
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| another nested for loop snag |
| Hey guys. I put together some code that finds a word in a string (string x called strx) and returns a substring around that word (string y called range1). I am ... |
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Jun 29, 2019 at 3:49am
[10 replies] Last: You're a 100% right. I extracted the code for testing and it caused ha... (by closed account zACfE3v7)
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by kmce
for loop
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| Hi, I am going through a c++ book and came across a new way to write a for loop, it was taught using a vector but I wanted to see if i could use it for other th... |
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Jun 28, 2019 at 11:18pm
[2 replies] Last: ....... of course lol. Such a stupid mistake. Thanks for answering :) (by kmce)
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| C++17 <filesystem> Doesn't output what I expect? |
| I'm following this tutorial: https://www.bfilipek.com/2017/08/cpp17-details-filesystem.html I'm using Visual Studio 2019 and C++17. The tutorial's code uses... |
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Jun 28, 2019 at 10:42pm
[7 replies] Last: [quote=JLBorges]> Why did you use std::wcout instead of std::cout? On... (by PiggiesGoSqueal)
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| Infinite While Loop Issue |
| Well, I took a few days break from programming and I somehow managed to forget like 40% of basic C++ info.. And am struggling to do basic things. In short, I w... |
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Jun 28, 2019 at 6:16pm
[2 replies] Last: [quote=Ganado]What is your input? If you're trying to type in multiple... (by PiggiesGoSqueal)
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by DarkParadox
Member initialization in constructors
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| I take this program from the article : #include <iostream> using namespace std; class Circle { double radius; public: Circle(double r) : ... |
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Jun 28, 2019 at 5:07pm
[5 replies] Last: What do you mean by "doesn't work"? What doesn't work? Does it not... (by MikeyBoy)
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