General C++ Programming - C++ Forum - December 2013 (Page 17)

if(true) cout<< "what's the difference"; if(!false) { cout<< "between this and the previous if statement?"<< endl; } One has a block scope, the oth...

[3 replies] Last: eh... I suppose... @sirolou: That's implied. The statements with ... (by IWishIKnew)

by john112

A LITTLE PROBLEM....REQUIRE VIEW

i wrote this code but don't know if the numbers i array for p will generate in that order. Can you help in how to get 5 random numbers horizontally and insure t...

[3 replies] Last: Here are some things I noticed: 1.) Opening brace on line 4 is not ne... (by xismn)

by iabba94390

?? what types of files will be needed?

Write a program that plays the game MasterMind. The program should create a list of 4 color; the available colors are (R)ed, (G)reen, (P)urple, (Y)ellow, (B)lac...

[4 replies] Last: Depends on what you want to do. You might want to use 500, you might ... (by IWishIKnew)

by fag

want to add an error message if cin is not a number

#include <iostream> #include <stdlib.h> //used for random numbers #include <time.h> #include <string> using namespace std; int main() { int bridg...

[3 replies] Last: Or for an example of a more generic approach: http://www.cplusplus.com... (by cire)

by Alexanderalbino

C++ tutoring

Hello, I'm a freshman I'm college and finals are next week. I kind of understand c++ but when it comes to homework, I freak out and always get the program to gi...

[6 replies] Last: Rodiongork, that's just wrong. You can teach programming. The real i... (by IWishIKnew)

by Catfish666

Dynamically allocated array of function pointers

Hello, I would like to know if this code is correct. #include <iostream> #include <string> int say_one(const std::string &s) { std::clog << s << "...

[7 replies] Last: What's awkward is function pointer syntax in conjunction with new ... (by LB)

by zajcev

TIFF file reader

Hello, first of all sorry for my English :) I have program which reads tiff files, and shows header. #include <iostream> #include <fstream> using n...

[1 reply] : I commented out everything but this line below and the program crashed... (by SamuelAdams)

by Catfish666

Pointer undefined behaviors?

To my knowledge, the following are UB's (I'll give code below to be corrected if necessary): 1) dereferencing dangling/invalid pointer 2) going out of boun...

[6 replies] Last: Thanks for the replies, it did not occur to me that it may be "impleme... (by Catfish666)

by maksemos

RSA encryptor

Hello I wrote a c++ program to encrypt some text but the resulted enctypted array is only blanks I investegated that , and I found the error source , b...

[1 reply] : The problem is that when you generate the two prime numbers, in both c... (by Mitsuhashi)

by Og The Trog

Set value of unique_ptr

Okay so say I have this. std::unique_ptr<int> Blocks ; Blocks = std::unique_ptr<int> (new int) then I would like to do something equivalent to this *...

[5 replies] Last: SEGFAULT ? The program crashes ??? I don't know I never try ... I gue... (by rmxhaha)

by pintu1228

Planets program---URGENT!

Hey guys, need some help in figuring how to write this program. The program should have a menu with the following: 1)Add planet (prompt for name, radius, m...

[9 replies] Last: looking okay. now you need to read up on some vector methods like: 1. ... (by mutexe)

by Chubby

I dont understand this!

int Sum (int, int, &int) i dont understand the &. but i do understand if (a=9 && b=3)

[2 replies] Last: A single ampersand is the reference operator. There is no such thin... (by cire)

by Og The Trog

how to delete unique_ptr

I was wondering how I would go about deleting just a single member in a unique_ptr array here is what I have: std::unique_ptr<Foo> Blocks ; Blocks ...

[1 reply] : delete Blocks .release(); http://en.cppreference.com/w/cpp/memory... (by cire)

by IADPCFEVER

Displaying last TWO largest in a binary search tree???

How would I display the last two largest nodes in a binary search tree recursively???? I don't know how to approach this, and would like some help. Thanks!

[1 reply] : pseudocode: a = root b = 0 while a != 0 and a=>right != 0: b = ... (by Smac89)

by sameeranc

storing in an array

Hello, I am new to C++ and I wanted to get the output from the following code. My objective is to get all permutations of DNA words for a given number of lette...

[1 reply] : gd (by Craigneal)

by Og The Trog

Set an entire array to NULL

Okay so I've declared an array like this. Foo *Blocks = {0}; and as far as my understanding goes This creates an array with every member set to N...

[8 replies] Last: Thank you, The smart pointers sound great! (by Og The Trog)

by LunarB

WriteProcessMemory with a Base and Offset - C++

Sorry that this is my second post on this topic (It's been a LONG while since that post.) But I still haven't figured out how to write to memory WITHOUT gett...

[no replies]

by TychoKaine

Palindrome program not giving proper output

I did write this program for homework, but I am stuck, and am just looking for some advice or direction. When I enter a string of integers, say 1 2 3 2 1, my ou...

[2 replies] Last: Wow! I got rid of the cin line, and read your second post from the lin... (by TychoKaine)

by SeanWP1986

Returning two seperate variables in a function?

Today class was really rushed, last class of the semester until the final. He gave us a very, very basic function program and 5 homework assignments. I have all...

[9 replies] Last: He requires a set format and will dock points of you use anything but... (by xismn)

by Aaron Vienneau

Maps

I'm very very new to maps and am really just trying to hash them out by myself. If you're mapping strings to integers: map <string, int> myMap; myMap[...

[4 replies] Last: Reap up: http://www.cplusplus.com/reference/map/map/?kw=map (by IWishIKnew)

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General C++ Programming - December 2013 (Page 17)