Beginners - C++ Forum - July 2013 (Page 47)

Hi, I'm back again with my mastermind program. It compiles, but when I attempt to run it, bad_alloc is thrown. I attempted to debug it with nothrow , but it'...

[4 replies] Last: The way you have it, you don't need variable argument lists at all: #... (by Lowest0ne)

by arjita07

macros

the output of this question is 12 6 12 ... please explain #define FUN(x,y) ((x)>(y))?(x):(y); int main() { int i=10,j,k; j=5; k=0; k=FUN(++i,j++);...

[3 replies] Last: let the preprocessor do it for you (-E for gcc) ¿what's the point of... (by ne555)

by saintyoda

sort char and int

Write your question here. i'm trying to sort the value of hasil ,it already works but what i want is in the same time char cobac also sort when hasil sorted. ...

[no replies]

by printfsmc

Error 3 error C2198: 'exit' : too few arguments for call

#include<stdio.h> #include<stdlib.h> #define prepaid_bal 10 double new_balance = prepaid_bal; double call_time, call_1, total_1; double call_2, total_2; ...

[1 reply] : That's a clash with the built-in exit function. You could rename your ... (by Chervil)

by hogwheeley

user input and reading from two txt files

i need help with having a user enter either 4-0.txt or 4-1.txt files i need both files going to EX4outfile i have all the calculations right for 4.0.txt w...

[1 reply] : infile.open(fileName); if that doesn't work compile it with -std=c++1... (by closed account Dy7SLyTq)

by sajis997

vector of pointer to typical array of pointer

Hi forum, I have declared an array of pointers as follows std::vector<cl_event*> eventList; Since i am not sure about the number of events i am g...

[2 replies] Last: vector::data() was added in C++11. You don't indicate what the dur... (by AbstractionAnon)

by sgli

Identify multiple mice and trigger events

Hello there, I'm fairly inexpierent in programing since i work in another IT-field. Maybe you can help me with this problem. I have between 4-6 usb mice...

[no replies]

by sharonam

Row matching

Hi, I am hoping someone can help me on this problem. I have a large data set (over a million records) with about 100 variables holding the results for each p...

[1 reply] : Let me see if I understand You've got > 1e6 rows, each one has 100 ele... (by ne555)

by brownshuga98

Accumulator and Count keeps throwing back junk.

I have to write a program that asks the user to input which type of gym membership they want, and how many months they want to join. The program is supposed to...

[2 replies] Last: Okay, thank you very much. I will apply these changes, and see if tha... (by brownshuga98)

by hubsch

Error reading a file ( i think )

// Euromilhoes v.01 #include <iostream> #include <string> #include <fstream> #include <vector> #include <iomanip> using namespace std; // VARIAVEIS GERAIS ...

[4 replies] Last: while( getline(Users,stringTemp)) { getl... (by Chervil)

by surbhijain93

pls someone explain this program....

#include"graphics.h" #include"dos.h" #include"conio.h" #include"stdlib.h" #define DELAY 1 #define SOUND 3500 void state(int x,int y,int mode); int i; vo...

[6 replies] Last: Thank you Disch for your answer but still i want to understand it . :)... (by surbhijain93)

by Vigii

Writing many txt files but with different numbers

Hi, I'm trying to create five txt files from one program. Exactly what I want to do is to create file name as follows Result-1.txt Result-2.txt Result-3.txt...

[1 reply] : ofstream::open accepts a character array, or in C++11 a std::string. ... (by AbstractionAnon)

by Nikury

Appreciate any help with my problem.

I'm quite new to c++ I'm experimenting a little with the CMD console, I'm really not experienced so the structure of my program is terrible, I'm freely open to ...

[3 replies] Last: Thanks a lot, to both of you. (by Nikury)

by systemerror

I need a quiz for C++ Beginner

As the tittle say, I need some quiz to develop my C++ language skill, do you have a common sites? Or you can tell me a program that should I make? - Sorry fo...

[2 replies] Last: http://projecteuler.net/problems (by mutexe)

by Voroshek

Default argument pointer

Hello, I will pass an argument to function. I need compute int and string in this function; after int , string and bool in same function. I make this:...

[5 replies] Last: false is a literal; it is an integral constant prvalue that evaluate... (by JLBorges)

by vRltwE

Store a double/float (ie 1.2) in a 2 byte 2's complement format

Which approach could be taken to store a double/float value like 1.2 into 16 bit 2's complement format? Thanks in advance.

[6 replies] Last: > The documentation says the measurement in between +-1.2 and it is 2 ... (by JLBorges)

by SlateHawk

Record Display

Hi everyone, I have a question to ask you. -I have to implement a C++ program to display records that are saved to a '.txt' file (via I/O redirection). -T...

[no replies]

by dunnmifflsys

Enter included in fgets

I'm trying to input a user response with fgets but fgets is also including the enter. Is there anyway to get rid of it or not include it in the first place? Her...

[1 reply] : char* p = strchr( response, '\n' ); if (p) *p = '\0'; (by Duthomhas)

by theunkown

palindrome finder.

I am trying to make a palindrome finder using a brute force approach to ironically test an algorithim i am using for a spoj classic. Problem is, i have no idea ...

[2 replies] Last: i assumed that it's definition changed after i gave string t data. i a... (by theunkown)

by maxim

namespaces question

Greetings C++ gurus, I am experimenting with namespaces, and I would like to make a namespace packaged in a separate file so that it can be included and used...

[2 replies] Last: Great, it works! Thanks! (by maxim)

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Beginners - July 2013 (Page 47)