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Beginners - August 2017 (Page 6)

i'am a beginner in c++ and i was assigned to make Tic Tac Toe game i thought first i should make the shape of squares then enumerate each one of them then ...

[2 replies] Last: Hello ReHaMuhamed, I loaded up your program this morning, Although it... (by Handy Andy)

by leehc94

why is this double type number getting rounded?

I have the following very simple code: #include <iostream> #include <string> #include <Windows.h> void Problem2(); int main() { Problem2(); r...

[1 reply] : I'm afraid double doesn't have better precision than that. #include ... (by Peter87)

by MultiMedia

Can someone explain this collision detection code please?

Hello, I'm learning about collision detection. Can someone explain the math behind these two simple collision functions below please? Couldn't understand it ver...

[2 replies] Last: Thank you so much for your explanation, I understand how all this work... (by MultiMedia)

by priyeshgeete

Requesting code review - Snake Game

Hello all. I am a C++ beginner and to practice I made a classic Snake clone using a media library called SFML. I am requesting you all to go through the code...

[6 replies] Last: @Masecla33 I am not worried about logic or algorithm I need to use bu... (by priyeshgeete)

by Animatoms

How do I define a global variable that uses elements from a specific function

Hey, so just wondering how I would define a global variable using elements from a function? switch (difficulty) { case 1: ...

[3 replies] Last: Thanks guys. Your solutions worked, and it's working now! Thanks for ... (by Animatoms)

by bluefrog

thread safe random generator?

I wrote a random number and string generator, which I intend to use for two purposes. Firstly for generating some test data. The output of the generation is app...

[4 replies] Last: Slow reply as I've been away. Thanks for identifying the non thread-s... (by bluefrog)

by AhmedEl3agamy

non-template friend definition inside template error

I wanna define a friend function inside the template not outside but the linker cannot get it : void func(); template<typename T> class test { friend void f...

[3 replies] Last: Sorry, AhmedEl3agamy, perhaps I didn’t answer your question. I think... (by Enoizat)

by trumpler

tic tac toe

so in the midst of creating this tic tac toe game,i have this problem.it goes like this. TURN 1 when the player picks the number 4,the computer will choose th...

[1 reply] : One problem are the braces of the if on line 102. The if body contains... (by coder777)

by Lucas Fiorini

Problem to pass archive to function

I'm trying to pass the ifstream archive but it does not compile. And the error messages are too weird I cannot understand the problem itself; #include <iost...

[2 replies] Last: *If* you can modify your function prototype, perhaps the simplest meth... (by Enoizat)

by PumpedUpKicks91

Advice for Creating an Inventory Control Program

Background: I work for a warehouse that interacts with a retail/salvage store. I am a nursing major, but am switching to either CS or CE and will graduate in ar...

[2 replies] Last: You're describing a system rather than just a program. In much the sa... (by kbw)

by puertas12

what does the function count() do?

This the program: #include <iostream> #include <iomanip> #include <chrono> #include <ctime> #include <thread> // the function f() does some time-consuming w...

[2 replies] Last: Thanks @Peter87 (by puertas12)

by puertas12

Why is there a volatile qualifier in the variable "d" in the function "f()"?

I am trying to understand the differences between processor time (CPU time) and the real time (Wall clock time). I found a very good example here: http://en.cp...

[12 replies] Last: > Unfortunately I do not understand the rest of the line: To understa... (by JLBorges)

by cking391

c++ compiler errors on Amortization Project

I am a beginner who is struggling with understanding how to fix 14 syntax errors. I know this is homework, but I am really trying to understand what I am doing ...

[4 replies] Last: No problem. Good luck. One bit of advice: compile your code frequentl... (by dhayden)

by teopeishen

Anyone knows why it din work

The volume shown is always 0, dun know why. #include <stdio.h> #define PIE 3.14 float cone (float height,float radius); int main () { float height,r...

[5 replies] Last: If the concern is about accuracy, the place to start is here: #define... (by Chervil)

by Mehari belay

am confused with the values and the way that error encountered when n>20

//how the error reported when n>20? //what the values indicate? value 1 &value 0. #include<iostream> using namespace std; short factor(int n,int *square...

[3 replies] Last: It is a slightly strange program design. The code inside main() might... (by Chervil)

by dubley

question about structure and pointers

In the protype: void vol(box*); the pointer is to the right where pointers are usually to the left. I am confused as to its meaning. I presume it means that i...

[4 replies] Last: Yes, that works. Thank you very much. (by dubley)

by puertas12

Problem when setting precision with cout: Candidates are: ? precision() ? precision(?)

I want to set a specific precision in a float number. So I found the public member function "std::ios_base::precision" and did a small exercise that worked corr...

[4 replies] Last: Here is the exact code i have been using. #include <iostream> #inclu... (by masecla33)

by qwerty29

Having a segmentation error related to arrays/strings

So im trying to check whether two strings are permutations of each other...im doing it by bubble sorting them first then checking if each element matches im get...

[6 replies] Last: thanks man! That really cleared things up for me (by qwerty29)

by masecla33

Don't know how to fix this.

Something is wrong here, and i dont really know why. Maybe i got an order wrong. If you are curious what i am trying to do, its a game of life. struct spa...

[8 replies] Last: Somewhere the syntax was incorrect, sorry for not formulating my quest... (by masecla33)

by bluefrog

Boost asio socket write?

I'm attempting to learn boost asio. Starting off with the simple tests first. This is a snippet of code that writes to a socket, but I keep getting the fol...

[2 replies] Last: thanks, so unless I code a server part, the client would always come b... (by bluefrog)

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