mrinal.s2008

Hey everyone!! I am having trouble printing the whole of a multidimensional char array. [CODE] #include <iostream> using namespace std; int main(){ char array [5][10] = {"---------", "| |", "| |", "---------"}; cout << array << endl; system ("pause"); return 0; } [/CODE] It just gives me random numbers and …

I was a C++ trainer for 3+ years and now am a developer with a software company. Last week, i had to undergo a C++ test on [url]www.brainbench.com[/url], as a part of my company's internal assessment. I scored 3.5 in the test (I'd gone unprepared at all). Can someone please …

My professor gave us an assignment to Convert the following 2 numbers to binary, octal and hex. 3.567, 0.032432 which would be easy if the numbers given weren't in decimals. I'm using the % operator and that can't be used by float... I'm lost. Can someone give me an idea …

Hi, I have a list of base types which stores multiple derived types. The following code shows a simplified setup. [CODE]#include "Base.h" #include "DerivedA.h" #include "DerivedB.h" #include <iostream> #include <list> void main() { std::list<Base*> base; std::list<Base*> *basePointer = &base; for (int i = 0; i < 10; i++) { basePointer->push_back(new …

Hi, the code analysis tool we use gives below warning for the functions in which memset / memcpy is used "The function writes outside the bounds of dup on line 303, which could corrupt data, cause the program to crash, or lead to the execution of malicious code." could someone …

Hi, In the code snippet below, I tried to write the contents of a vector to a file using ostream iterator. However, when I try to read the contents of the file using istream_iterator, there is a problem. When the istream_iterator object is initialized using ifstream object fin, the istream_iterator …

Hi, While writing program for making a member function of one class a friend of another, VC++ is shooting two errors. The entire code is split across five files, 2 headers for two classes, 2 .cpp for the class members' definitions and 1 containing main() function. The headers are as …

Hi, I'm able to write a copy constructor for a class which contains pointer as a data member. However, when I have a reference as a data member, the copy constructor does not help, i.e. when I change that member for one object, the change is reflected in another one …

Hi, While trying a program from "C++ Primer 3rd Edition" by Stannley Lippman, I encountered with following two errors. 1. The book says that the header file fstream also includes the header iostream, so including just fstream will do. But g++ complained about cout, cin and cerr despite having fstream …

Hi, I have a header file in which I declare a class. A member function foo() is declared as inline. In another .cpp file, I define the function foo(). I create an object in main() (in another .cpp file) and invoke the foo() using that object. When I compile the …

I am trying to initialize a vector inside a class's constructor, and I want the vector to be of type 'this' [code]std::vector<this>[/code] didnt work, [code] void* type = this; std::vector<type> [/code] that didn't work either, is there any other way to do it?

dear all plz i want help in this program can anyone do it...... Question: Derive a class from long_int class and add a member function "multiply" in the derived class to multiply two long_ints using the add member function already defined. multiply should work like this 2*3 = 2+2+2 (adding …

main() { float a=0.7; if(a<0.7) cout<<"true" ;else cout<<"false"; } problem---> it prints true ..... when 0.7 is replaced everywhere with 0.8 it displays false again with 0.9 , it displays true.. typically only for 0.7 and 0.9 it gives different answer ,then the conventional logical answer..why so??

Hi, I have some questions on vector. Please consider the code below. I use g++ compiler on Linux. [CODE=c++] #include<iostream> #include<vector> using namespace std; class Sampler { int a; int b; }; int main() { vector <int> vec1; vector<float> vec2; vector<Sampler> vec3; cout << sizeof(vec1) << " " << sizeof(vec2) …

I'm learning c++ at the moment, and i just learnt about classes, so i decided to make a text game with a badguy and player class, and i was wondering how to refer to other classes variables(like this.health) from other classes. and wether you have to create an instance of …

Hi all, I am making a text game in c++ and i am trying to get the player's attack to ba a random number between 1 and 7, but when i try to compile it, it gives me this error: 49 C:\Documents and Settings\Games\Desktop\C++ Tutorial\Combat\main.cpp void value not ignored as …

Hi, I'm writing a template class as below. Trying to add a funtion to browse all the elements of an instance, that needs a vector iterator. When I compile the code getting a list of errors. Two of them typically draw my attention. The Error reads [B][COLOR="Red"]error:[/COLOR][/B] dependent-name ` std::vector<T,std::allocator<_CharT> …

I'm doing a program that shows which tickets have been sold for an auditorium. I am a beginner to c++ so I am not sure how I can do the following: a) Allocate an input with a character (e.g. when I enter 'A10' .. how do I allocate 'A' to …

[CODE]#include <iostream> #include <cmath> using namespace std; const float G = 32.17; // function declaration float caltime ( float,float, float ); float calheight ( float,float,float); // main function int main() { float theta, cotheta, sitheta, distance, velocity, time, height; cout << " Input the angle of elevation : " << …