Beginners - C++ Forum - February 2014 (Page 53)

string variable needs to be const char

I am writing a simple program that asks the user to enter a file name then the program counts the number of files. I have gotten the body of the program to work...

[1 reply] : Two options: The preffered option is to use a c++11 compliant compile... (by TwilightSpectre)

by Kevin15663

I need you guys!...again

I'm writing a program for calculating the circumference of a circle being entered by the user....only problem is...hypergrade won't accept it. I'll pot a screen...

[10 replies] Last: No worries, pleased to help :+) Also, there might be a M_PI already... (by TheIdeasMan)

by MattTuck

Can someone please explain this...

Ok so I was trying to better understand the use of %= so I wrote the following: #include <iostream> #include <string> #include <cmath> using namespace st...

[1 reply] : First, you are performing operations with a and b before they have bee... (by TwilightSpectre)

by Tiawulf

problem in function

this program is designed to get input in the buffer via DOS input redirection. the problem i'm having is that when the function WordLength is called it becomes...

[no replies]

by Kevin15663

Write a program that calculates the distance between two points (Please help me edit)

Write your question here. #include <stdio.h> #include <math.h> int main() { float x1; float y1; float x2; float y2; float Distance; x1 = 7; y1 = ...

[4 replies] Last: @IdeaMan, I'll keep that in mind! I'm currently working on my last pro... (by Kevin15663)

by combzy

Calculate Bank Charges Help

This is an simple program that is supposed to prompt the user for the beginning balance and the number of checks written and then compute the service fee for th...

[4 replies] Last: Thank you for your help, it really helped me understand what to do and... (by combzy)

by stewartjc1

HELP! Vending Machine Program (C++)

Where to begin, well for starters I was originally supposed to create a vending machine program that allowed a user to enter 4 products (names and prices) and I...

[1 reply] : I would read the entire file into memory. Then operate on the data in ... (by Garion)

by bknick24

nested for loops

I have to make this program input from a file "puzzle.txt" which contains the matrix size and word puzzle contents. For example the input would be: 5 8 h...

[4 replies] Last: I believe all that I need to figure out now is how to get my program t... (by bknick24)

by Coxxej

declaring functions

Im really confused with these.... whats does i mean and what does ! mean in c++

[1 reply] : If you need help with functions, this website has a good tutorial that... (by geniusberry)

by amitk3553

store a 256 bit number into 64 bits

I have to store a 256 bit number into 64 bits like a number in 256 bit array to 64 bit array unsigned int arr_1 ; //each location containing 32 bits I have...

[7 replies] Last: Otherwise you will have to specifically bit-shift the numbers out: ... (by Duthomhas)

by justin00

[error] 'variable' previously declared here

This is just a simple distance per tank calculator given fuel economy for variables. Exactly what does this error mean in relation to my code? ---- 'double tot...

[3 replies] Last: Got it, thanks! (by justin00)

by SloshyFob

C++ cout~text~ if (int<=)

i want it to say sorry you have died if health is equal to or less than 0 and close the program. so if answer is 3 health is 0 and if health is 0 say you have d...

[10 replies] Last: @SloshyFob: See this thread: http://www.cplusplus.com/forum/beginner... (by Disch)

by alsade

reversing array of char's issue

can someone plz tell me why the reverse function doesnt reverse the array? #include <iostream> using namespace std; class my_string { char* ptr; int size;...

[6 replies] Last: Q: What is wrong in this picture? char * my_string::ptr; my_string::m... (by keskiverto)

by chimneykiller

Having trouble with random number guesser

There were some weird things going on I am using microsoft visual studio 2013 I have done some programming before and am somewhat experienced I see nothin w...

[2 replies] Last: Also generally speaking you should get a seed before creating a random... (by giblit)

by thepox

Getting no output...

Write your question here. #include <iostream> using namespace std; int main() { double propval; cout << "What is the actual value of th...

[3 replies] Last: Hmm, I thought using std::cin would flush std::cout automatically but ... (by Peter87)

by Fauch911

primes/logic error

#include <iostream> using namespace std; int main () { for (int i=2; i<100; i++) { bool prime=true; for (int j=i; j>1; j--...

[2 replies] Last: Thanks :) (by Fauch911)

by fi50

Dynamic Array Help

Hey. I was just wondering whether the code shown below is the most effective way of increasing the size of an array, or whether it would even work at all. ...

[3 replies] Last: You can also return variables by reference using the ampersand (&) cha... (by kevinkjt2000)

by cory244

Counting Objects and methods

Hello, first time posting, thank you for your efforts in advance. I have a program right now that counts all of the lines of code excluding comments and blank ...

[9 replies] Last: Okay, so I have gotten it working as far as counting total LOC. Gibli... (by cory244)

by xpg94

Ifstream character problem

This is what I'm trying to do: "Write a program which prints a table listing the number of occurrences of the lower-case characters 'a' to 'z' in the file "Shee...

[1 reply] : Maybe this might help: for(char ch = 'a'; ch <= 'z'; ch++) { std:... (by kevinkjt2000)

by bknick24

inputting from file stumping me

I am in the process of making a puzzle that inputs to the program comes from a file. The file contains the matrix size and word puzzle contents. The program sho...

[3 replies] Last: If that code were legal, you would still be accessing nonexistent elem... (by cire)

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Beginners - February 2014 (Page 53)