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General C++ Programming - November 2015 (Page 4)

Compiler not working? Hangs on execute.

Working in Windows 7. Using mingw (but also vs2015 is not working). Previously compiled programs execute as expected. Newly compiled programs do not report an e...

[1 reply] : When your program is executing the compiler work is done. Hence it is ... (by coder777)

by hooshdar3

foolish compiler?!

hi. Why is it that zero (0) is output after running ......... k=1; i=1; for(;i<201;++i) for(;k<201;++k) A =1000000; cout<<A ;...

[5 replies] Last: Weren't they initialized outside the loop? yes, but they should hav... (by Jaybob66)

by awesomeprograms

Looking for input on my current project

Hey everybody, I've started a new mini-project recently, more for exercise than anything else, but I'd like to get some opinions on it in its current state. ...

[6 replies] Last: Thanks cire, if you didn't respond I probably would have made these sa... (by awesomeprograms)

by Robert1234

Extracting an int from a string variable type

I'm trying to write a program that uses the Mod 10 check to verify credit card numbers. One of my function headers are called sumOfDoubleEvenPlace which should ...

[1 reply] : Duplicate posts are bad http://www.cplusplus.com/forum/beginner/179681... (by closed account 48T7M4Gy)

by keanedawg

Performing math on large numbers. How can I express large numbers

OK, so I'm working on a combinations problem (I'm struggling through it, so if anyone is curious, I'm trying to find the total combinations to arrange n people ...

[8 replies] Last: Might be of interest as a start on modular arithmetic online reference... (by closed account 48T7M4Gy)

by bsc123

Random number generator

I have a random number generator randomizing a number between 1-9 but it takes a second to refresh and I have to get a new random number basically instantly. I ...

[3 replies] Last: http://www.cplusplus.com/faq/beginners/random-numbers/ (by Duthomhas)

by kev172006

stuck on program please help

Im stuck on this program. I'm trying to add my negative values and count them and get the average. when i print them i get 777. the input file i used had "51 14...

[4 replies] Last: i had to remove the "infile >> list;" part. it works Thanks (by kev172006)

by pieroborrelli

Dealing with format errors in a file

I'm actually trying to learn C++ and I have to write a program that reads a sequence of whitespace-separated integers from a file and then calculates the sum. T...

[1 reply] : It depends on the source of the file, and what it is expected to conta... (by Chervil)

by closed account 4jL1T05o

Grading program. Need help on array, and updates etc

- To be archived.

[1 reply] : I would put the menu handling code in main - after you have loaded the... (by Thomas1965)

by patrickcamp

Having trouble with errors

please help me with these errors thank you #include <iostream> #include "string" #include "array" using namespace std; string message; int main(){ ...

[4 replies] Last: #include <iostream> #include <string> //<-- using namespace std; in... (by closed account 48T7M4Gy)

by Akroncs

Problem with checking duplicates

I need to create a function that finds duplicates in a file. For example it is a voting program that needs to detect multiple votes so there are multiple vote...

[1 reply] : It is rather simple: You need to store line int an array (make sure... (by coder777)

by closed account GybDjE8b

Error with newarray

Basically i need to sort the birthday, so i added them all up to get one array to be able to use quick sort..... but it says my newarray has an error #include...

[2 replies] Last: it gives this as an out put the array 1 : -471057316 2 : 550212 3 : 55... (by closed account GybDjE8b)

by hazelkiss89

Longest strictly increasing sequence in 2D array

I'm having issues correcting my code to check for the longest strictly increasing sequence in a 2D array. This is the sample grid: -1 3.14 42 0.2 2.7172 0....

[5 replies] Last: I figured everything out! Including all of the other functions! Thank... (by hazelkiss89)

by jgg2002

Greek characters in console programs.

Hello everyone. I am Greek, and I want to "cout" letters of the greek alphabet. Is there any way I can pass the 255 limit of value for characters? A string e...

[3 replies] Last: would the program that I make, output the same way in a Windows with ... (by toad)

by DrJones

Boost UDP client.. How to set up?

Hi guys. I am at the moment trying to set up a Client which can interact with an server, and read the messages from it. My intention was to use the boost L...

[7 replies] Last: Just to understand to it precisely.. This is based from the example.. ... (by DrJones)

by closed account E3h7X9L8

Question about game programming.

I have a question about game programming... Do I need high physics knowledge for game programming? I know that I need math, lots of math, which isn't a problem...

[3 replies] Last: Like Peter said, even if it's a 2D game will it have realistic feature... (by Mr Impact)

by clockworkinferno

Help with sorting link lists

Our teacher never actually teaches us the code making it hard for me to understand how to do the assignment. He only teaches pseudocode and this the first time...

[6 replies] Last: Thank you so much, this makes a lot of sense. (by clockworkinferno)

by zone

problem solving with 2-D arrays.

The theme of this assignment has been interrupted by the evil Ice King who has sent his penguin army to attack the gentle citizens of the Candy Kingdom. Princes...

[2 replies] Last: This looks like a homework problem to me. (by MCH)

by closed account 9N36C542

How to create ballot function

For my latest project, I am supposed to create a program that tallies up votes for both the position of "headmaster", and then for each of 10 amendments. I was ...

[2 replies] Last: Line 45: You're trying to enter votes for amendments inside your loop... (by AbstractionAnon)

by zecbmo

Priority queues, comparisions and pointers

So I have a struct Vertex, and I wish to store a collection of Vertex's within a priority queue (as pointers to each vertex). struct Vertex { std::stri...

[3 replies] Last: The comparator should be the third template argument so you will have ... (by Peter87)

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