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Beginners - January 2012 (Page 27)

Subtracting Strings ('str' not found in scope)

I keep running into a problem with trying to subtract strings from one another.I keep getting an error saying that: error: 'str' was not declared in this sco...

[2 replies] Last: your area should be a double, just so you know...also, hurry up! due s... (by Lurp)

by Khoi

help me fix ....

1/ printf( "The product of %d and %d is %d"\n, x, y ); printf( "The product of %d and %d is %d\n”, x, y ); <= I fixed but not sur...

[2 replies] Last: 2. largest = number; Remember == is relational meaning it compares. Y... (by thepedestrian)

by Khatzu

Not sure if this is an Insertion Sort or...

I've been struggling so understand algorithms. I tend to write my own code based on spoken instructions or visual cues rather than pseudo code, which usually le...

[3 replies] Last: jwroblewski, what you have there is not insertion sort. Also the size ... (by Peter87)

by shashi005

what is wrong with my code for quick sort...??

#include<iostream> #include<stdio.h> #define max 50 using namespace std; void qsort(int *arr,int,int); int partition(int *arr,int,int); int main() { int...

[2 replies] Last: i see you defined a max of 50 for int a in int main(), but i dont b... (by jwroblewski)

by closed account yCf9216C

Mysterious C2228 and C2227 errors VC++

The intellisense keeps telling me that on the lines "MyVector.size()" "Expression must have a class type". I don't know why, the vector has been successfully pa...

[1 reply] : On line 6 you should remove the () . There is two ending brackets } ... (by Peter87)

by ComradeTaco

Looping Voids Will Not Work

Hi. I have a program that is running using multiple void functions, but I want it to repeat. It worked perfectly before I tried to ad the loop statement, but no...

[15 replies] Last: Lovely! It works perfectly! Thank you Wisely Done, and Peter 87, for y... (by ComradeTaco)

by Scottm4321

Having trouble learning how to pass a function a parameter

Hi, I'm working on a project to learn how to pass one function to another one. From everything I've read it seems like I have to create a pointer to the functio...

[6 replies] Last: In that case, since you're using OOP, try using inheritance. If that's... (by closed account zb0S216C)

by dannymuslera

Program that edits many bmps by itself quickly?

Hello, before you read this I just want to say that I am a beginner to C++ and that I may sound a little silly in this. Also I appreciate ANY advice you can gi...

[1 reply] : Well you can approach this one of two ways. Firstly you could use any ... (by closed account o1vk4iN6)

by ErinCorona

Program worked before I used functions

So, I wrote my first program, and it worked fine. Go me. Then, I went back, and had to use functions, so I just turned it into 3 very simple (or so I thought)...

[5 replies] Last: Thank you for clearing that up. As for the teacher, I do have to ema... (by ErinCorona)

by Asura20

Reading off a string array from a text file.

Hello, I am attempting to read off a specific portion of a string based on the input of the user. Each time I run this program, I get an exception handling erro...

[1 reply] : Your program is crashing because you create an array of strings called... (by ModShop)

by sasukebartioso

program that loads scripts

i want to make a kind of a game engine that loads files that are written in c++ is that possible??or is other scripting language needed??

[no replies]

by Accident113

error C2065: 'words' : undeclared identifier

Hi all, Im new to c++, which i have been programming java for 6 years now and im still getting use to the syntax of this language. Im encounter an err...

[5 replies] Last: Thanks Again, and I understand what you were getting at before, perfec... (by Accident113)

by Scottm4321

Need help to create a function to save data to a file.

Hi, I'm working on a mileage calculator to better understand functions and objects and need some help figuring out how to write data to a file so I can call it ...

[3 replies] Last: Thanks for your help, I've changed the first two things you pointed ou... (by Scottm4321)

by Tony Karam

generating random odd and even number is sequence

Hello guys, I'm in need of assistance. I appreciate any help! I want to generate random even and odd numbers is sequence pretty much like this: 1st number ...

[5 replies] Last: I've replaced the A = 37 + (2*rand()) % 30; with A = 37 + (2*ra... (by CosminNTG)

by fellow

what happend to my ide?

Hi! I'm a beginner in programming. I tested a simple code with pointers. Suddenly my ide (netbeans) doesn't compile other files being compiled before. ...

[4 replies] Last: Yes, I think the same. It's really strange this behaviour. I don't wor... (by CosminNTG)

by BoyZack

string array error

I'm writing a program to be sort of a spanish-english dictionary of sorts and my compiler keeps saying theres some sort of an error when i try to assign values ...

[2 replies] Last: Thank you SO MUCH this problem has been bothering me since yesterday (by BoyZack)

by nitishkj

Error in function returning pointers

#include<iostream> using namespace std; int* Merge(int* a,int* b,int m,int n) { int ans[m+n-1],i=0,j=0,k=0; while(i<m || j<n) { if(i>=m) {...

[4 replies] Last: And it comes with no surprise. Like I stated before, you are returnin... (by webJose)

by mrehan27

Static and Dynamic Binding

Distinguish between Static and Dynamic Binding, through Examples.

[2 replies] Last: got it.. thx :) (by mrehan27)

by slwtx2003

Compiling error

I have VB/Powershell/Vbscript/Java experience, but have never written in C++. I have the following C++ code that I have procured from Microsoft, and I am getti...

[4 replies] Last: Allright, sorry for lateing. I am very busy nowdays. So, I've compiled... (by CosminNTG)

by eothein

using pair and map

Dear all, I'm trying to create a map reference which should containt a pair as a key and a bool vector as the value i.e. such a thing map<pair<int,int>...

[10 replies] Last: I solved the issue indeed as Peter87 suggested by limiting the Pointer... (by eothein)

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