General C++ Programming - C++ Forum - September 2012 (Page 21)

Hello Plz help me. I can't Decrement Element and union of set. assume the set 2 have element{1 , 2, 3, 4} set2 = set2 - 3; output is {1, 3, 4} #ifndef...

[1 reply] : How I can implement union function? Create a new set. Add all the e... (by Peter87)

by RIZWAN AHMED

How to auto save Excel file

HI, i am developing a program where i have to auto save the excel file. i try putting some integer data's in excel and auto save the file it works perfect. whil...

[4 replies] Last: //this is my full code #undef _UNICODE #undef UNICODE #include <iostr... (by RIZWAN AHMED)

by Hyrum Richardson

Varying variable names?

Is there any way to make the names of my variables vary according to a separate counter? I want to assign var = 1, and var++ within my program and then assig...

[1 reply] : Yes, it's called array and looks like so: string str ; // definition... (by coder777)

by Ilithiya

What is wrong with my for loop in trying to store words from a file into an array?

Here is my code. All of my functions are fine except for "Function: populateArray" where I have to store the words from a file into an array (the array has a li...

[4 replies] Last: Yeh, I said that too in my reply to a previous thread about this same ... (by soranz)

by zeller000

0.01 does not equal 0.01???

I am working on a program to calculate how many of each type of coin you will get back as change, but it seems that the "OR EQUAL TO" part of ">=" doesn't work ...

[2 replies] Last: Thank you for the quick response, that helps a lot. (by zeller000)

by vwillto

help me please

I would like covert code c++ to c.. #include<iostream> #include<string> using namespace std; struct node{ string data; node* next; node():next(0){...

[1 reply] : There's no C++ code there except for cin and cout and the use of n... (by AbstractionAnon)

by mika23

stack is not working

Hi so my stack program is supposed to allow a user to enter a postfix expression and provide the result or an underflow, overflow error message. Example the use...

[1 reply] : You should probably start with code that compiles. It's not clear whe... (by kbw)

by h3lpm3p1z

Dog Population Program Assistance Needed

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[1 reply] : use code tags please, it makes things a lot easier to read (by Need4Sleep)

by sbgreen6592

Mean

We have a code that calculates the mean of two numbers but we need to modify it so that it calculates the mean of all numbers between it two. Ex. Input 3 and 10...

[9 replies] Last: I agree that the function MeanFromRange will force the users hand in ... (by closed account o1vk4iN6)

by michaelscott88

Char* to Char array

So it is pretty self explanatory but I am trying to put a char* into a char I tried char hold ; char *word=new char ; strcpy(hold,word); and strcpy(...

[3 replies] Last: Null character is '\0'. '\n' is the newline character. (by firedraco)

by closed account 16MjE3v7

Need Help printing out results in order

How do I meet this requirement: If the users criteria is "Gas", then print the output for the car with the lower gas consumption first. If the criteria is "Tot...

[3 replies] Last: Well what youre prolly going to have to do is set up a nested for loop... (by slider57)

by pranava

Assigning values to union C++

Hello I have a union of this type typedef union UUID { uint8 byte ; /**< Array of 16 bytes. */ uint64 ll ; /**< Array of two 64-bit words. */ ...

[7 replies] Last: Thanks JLBorges that did help. -P (by pranava)

by syazwan

i want to know if my coding is true or not..

i have one question.i got a one assesment and i want to know if my coding is true or not.my assesment is want to calculate salary for 3 person.can you help me t...

[2 replies] Last: as peter said.. or you can use char * with getline() to read a whole l... (by sigmablack)

by Need4Sleep

Abstract base class help

I have an Abstract base class Abc along with two other classes that im trying to get working, but im having trouble declaring the object. I want to declare Abc ...

[1 reply] : Abc * Obj(4,3); You are initializing a pointer here and it is an ... (by closed account o1vk4iN6)

by xantavis

Recognise a word inside a string (1,2)

What do I have to do so that you can enter a whole sentence and that the program recognizes a certain word inside the code? If I, for example, enter the sentenc...

[29 replies] Last: Bare in mind that: 1. Since you're no longer doing it in a loop, it wi... (by chrisname)

by Judison

Please check my code to count the numbers of neighbours of a cell in an array

I have to make a code that checks the number of neighbours of a cell in an array board of cells.

[3 replies] Last: It was error prone, consider using a loop instead. I don't understand... (by ne555)

by macs

problems in fn

QUESTION: Write a C program to compute the Sine value of a given number X using the following series. ...

[2 replies] Last: To prevent the usual error when the number of factorials exceeds the a... (by vlad from moscow)

by P12

How do i check if a string is in uppercase ?

I'm looking for a way to check if a string is in uppercase. and when there are no lowercase characters it may not write to a file. so what i try reach is: if t...

[7 replies] Last: oke thanks. i'll do (by P12)

by tasnim

pb while opening and reading two txt files consecutively

Bonsoir, j'ai un programme qui sert à ouvrir deux fichiers textes et les lire.Il va remplir le contenu du premier fichier dans un vecteur de 2 dimensions, et...

[7 replies] Last: Then that means it could'n open the filepath you specified (we can tal... (by bartoli)

by Joshrel

character Occurance and vowel find

#include <stdio.h> #include <conio.h> #include <string.h> #include <ctype.h> #include <process.h> char STR ,str ; int x,i=0,num=0,PCO,NOC; void choic...

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General C++ Programming - September 2012 (Page 21)