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| Merge Sort Algorithm |
| https://www.spoj.com/problems/PAIRS1/ Can we do this problem using merge sort algorithm. I have done this using binary search. |
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Sep 5, 2018 at 5:38pm
[4 replies] Last: I mean to say that in merge sort algorithm we make a merge tree we fi... (by rajharsh81070)
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| Any easy suggestions |
| I Am working on a cocos2d game, nothing big, just and entry for a contest. I am still in the drafting process. and I, similar to colour switch I, plan to add m... |
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Sep 5, 2018 at 1:00pm
[4 replies] Last: Oh, I know I said it is like angry birds, this is because a slingshot ... (by closed account 367kGNh0)
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by WalterCC
Arithmetic Mean Function C++
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| Hy ! I did a poor job today at exams with this function. Haw you will make a function from this simple code. #include<iostream> using namespace st... |
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Sep 5, 2018 at 12:19pm
[11 replies] Last: Everyone thank you soo much , i wasnt ON for couple days. I`ll look an... (by WalterCC)
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by lauraecruz
c++
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| I began to write a code that displays even or odd numbers from random numbers. Write a program that tests the validity of the rand() function. Generate 10,000 r... |
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Sep 5, 2018 at 4:46am
[3 replies] Last: #include <iostream> #include <ctime> #include <cstdlib> int main() {... (by JLBorges)
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by poohbear
struct
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| first issue how i do fail the loop from calculating the company .pay when the hours or rate is negative. second are my return type for function prototypes oka... |
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Sep 4, 2018 at 10:14pm
[1 reply] : when the hours or rate is negative IF (hours is negative OR rate is ... (by keskiverto)
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by Sodi
2D arrays
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| Hi all. I am a newbie in C++. I have always programmed with Matlab with lots of built-in functions. I have a Matlab code (mainly working with matrices) which ... |
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Sep 4, 2018 at 9:29pm
[17 replies] Last: Many thanks for the clarification, jonnin!. Now I can understand the r... (by Sodi)
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by Macfam13
Rookie question
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| How would I write a code that takes input from a user, then uses the letter they type to replace another letter already in the program. For example, I have a pi... |
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Sep 4, 2018 at 7:09pm
[7 replies] Last: We start with: #include <iostream> int main () { std::cout << " SS... (by keskiverto)
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by CGunn86
Use of unsigned int
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| I've been reading a bit on Googles coding guidelines, and while it may not be perfect for everyone or everything, I noticed they mentioned the use of unsigned i... |
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Sep 4, 2018 at 5:35pm
[8 replies] Last: I would agree with that. Unsigned is for bit logic and the occasion... (by jonnin)
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by eripiomundus
string types not registering?
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| I'm a noob at this, and I'm learning, well, struggling, to learn headers/classes/etc. I really can't figure out what is wrong with the following code except tha... |
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Sep 4, 2018 at 3:06pm
[4 replies] Last: Hello eripiomundus, Thank you and you are welcome. Overshadows may b... (by Handy Andy)
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by nirbh
unsigned and int
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| can someone explain to me this snippet: int i= -10; unsigned u= 10; std::cout << i + u << std::endl; // = 0 = -10 + 4,294,967,296 + 10 -4,294,967,296 Thank ... |
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Sep 4, 2018 at 1:31pm
[4 replies] Last: Your unsigned integer can represent values [0 .. 2^32) i.e. [0 .. 2^32... (by keskiverto)
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by ionic
program that finds macros in source files
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| The program which should take file names from windows command line. c:\mac_find main.cpp chars.h the output of the program should print information like 1)tot... |
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Sep 4, 2018 at 12:10pm
[8 replies] Last: Here is a skeleton to get you started. #include <iostream> #include ... (by Thomas1965)
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by Ch1156
no operator found which takes a left-hand operand
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| I'm getting an error and i'm not sure what it means, I'm trying to compare a value to a vector to get the right input, so if the player enters 2 it will get the... |
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Sep 4, 2018 at 11:13am
[16 replies] Last: Furthermore, The << is a binary operator; it has two operands. T... (by keskiverto)
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by ddaniel10
Reading binary file
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| Hello I was given an assignment that was to open a binary file with records. This is the the pseudocode BEGIN main Open the file Call the displayLogFile_binary... |
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Sep 4, 2018 at 7:20am
[2 replies] Last: You could use use the read function of the fstream class. bool displ... (by Thomas1965)
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by TheDoctor185
detect mouse up or down
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| Hey, I am currently making an autoclicker that activates when the left mouse button is held down and stops when it is let go. The code used to activate the cli... |
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Sep 4, 2018 at 6:59am
[1 reply] : Are you using any external libraries to detect mouse clicks? Can you p... (by H00G0)
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| calculate how many jellybeans can fit in jar |
| all my calculations keep coming wrong. I tried asking my teacher but no matter how changes I make the calculation keeps coming out wrong. I would greatly apprec... |
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Sep 4, 2018 at 6:42am
[1 reply] : Your jellyBeanVolume will be wrong because of integer division: 4/3 wi... (by lastchance)
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| Help finishing a code |
| not sure how to finish the code.keep getting erros in the last line #include<iostream> #include<math.h> #include<conio.h> using namespace std; int main()... |
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Sep 4, 2018 at 3:21am
[3 replies] Last: thanks a lot to both of you. it's fixed now :D (by hectorpenaloza07)
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by msherindil
Search and display the comparison
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| I need help with the following question, I don't want the whole code but I really need help with this section. (DISPLAY THE NUMBER OF KEY COMPARISON FOR EACH SE... |
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Sep 4, 2018 at 2:44am
[12 replies] Last: I can't see what you are still asking. (by jonnin)
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by chang123
converting char to ascii value then mod doesnt give correct output
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| So im trying to subtract two ascii value by first converting the chars to its ascii and then mod but its not giving the correct ouput. I am not sure why. Thanks... |
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Sep 3, 2018 at 9:34pm
[3 replies] Last: [quote=chang123]Is there a way to use the mathematical mod function in... (by lastchance)
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by Batuhan88
Function or Variable
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| Hello people. I started learning C++ today. I am familiar with C so I directly began by studying Classes. In the classes tutorial is there a certain rea... |
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Sep 3, 2018 at 9:31pm
[1 reply] : Tradeoff. Design decision. The area is a product of the other member ... (by keskiverto)
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by Dan Moos
Deleting a pointer that has been copied to another
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| My code now works, but I'm confused about the initial problem. Lets say I have an array of pointers, that I call new for. Next, lets say I copy one of those e... |
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Sep 3, 2018 at 9:30pm
[4 replies] Last: I'm at a loss as to why yours works, and mine doesn't There must be ... (by tpb)
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