Beginners - C++ Forum - March 2015 (Page 24)

Program is always giving same output

I am having some issues with assigning a's and b's new values, using there old ones to calculate them. My program output is always a=2 and b=1. Can anybody hel...

[2 replies] Last: oh crap! I can't believe i missed that! Sorry sometimes when I type fa... (by hmlwin)

by FrankRafa

Problems about running the user-defined times of programs

Hi folks, I'm doing some program about the craps game(rolling dice) and it seems just confusing that whenever I prompt the user for input of the number of t...

[2 replies] Last: No I see what is going on now.... I used = instead of == to set the eq... (by FrankRafa)

by alexBB

Segmentation fault. Core dumped (1,2)

This is a chunk of code that compiles but does not run. #include <math.h> #include <fstream> // std::ofstream #include <complex> #include <iostr...

[27 replies] Last: Thank you norm b. I will try to sort it all out tomorrow. It is my rec... (by alexBB)

by Bleedz129

delete duplicates from an array

I would like to delete duplicates from an array, I used vector for this problem. I am aware that we can do two for loops but I do not want a solution in O(n^2)...

[1 reply] : O( N log N ): // http://en.cppreference.com/w/cpp/algorithm/sort std:... (by JLBorges)

by lolapurple

Searching through a data file to match user input PIN

I am am trying to write a program to prompt the user to enter a 4 digit pin. If the pin matches a pin on the pre-recorded data file it should say "Access Grante...

[1 reply] : woudl you mind posting your errors? (by Little Bobby Tables)

by calisabeth

Iterating through arrays part 2

The problem wants me to print each number that is greater than 21. This is what I have. #include <iostream> using namespace std; int main() { ...

[1 reply] : Change this - for (i = 0; i <= NUM_ELEMENTS; i++) To this - for (i... (by TarikNeaj)

by gelier

Part 2:Basics of Array need help !!!

I know how to declare an array, but have no idea on this one. Assume that array named a, contaning exactly 5 integers has been declared and initialized. Wri...

[3 replies] Last: Happy coding! (by TarikNeaj)

by gelier

Basics of Array need help !!!

Write a statement that assigns to x the value of the next to last element of the array. 1 #define ARR_SIZE 30 2 main() { 3 int x, arr ; 4 5 6 r...

[4 replies] Last: yes, it worked but it must be x =arr -2; to next to the last number. T... (by gelier)

by calisabeth

Iterating with arrays

The problem wants me to print the average as well as the sum. #include <iostream> using namespace std; int main() { const int NUM_ELEMENTS = 8; ...

[1 reply] : First, the loop is unnecessary; the result of sumVal / NUM_ELEMENTS ... (by keskiverto)

by Tanner

Some questions(need to know Java)

Hi,so let me introduce my prior knowledge before I get into my questions. I "know" Java, know isn't a term I would use if you asked me if I know java in real l...

[4 replies] Last: To expand on question number 1. Import and include are similiar but on... (by Ismael Vazquez)

by SCB3

About outputting Ascii Characters

ii

[4 replies] Last: sorted it, it was a int array as opposed to a char and I tried using ... (by SCB3)

by godric18

loop counter not increasing

hi so im having some trouble with my code i made a counter that should display the cycle. counter doesnt start from 1 it starts at 50 and stays at 50. i dont kn...

[3 replies] Last: Your program is full of loops all over, specifically which loop are w... (by godric18)

by davtk8

csv format - PROBLEM - What I'm I missing?

I get a weird output from my CSV when entering data values on one line in the console. What I'm I missing? Expected: James Kai, 18.01.1996, London (in CSV...

[3 replies] Last: std::noskipws /*and or*/ std::getline http://www.cplusplus.com/refe... (by closed account SECMoG1T)

by closed account E3h7X9L8

saving multi dimensional array as a bmp file

I have this algorithm that shows you the generation of a maze step by step and i want to output the final result ( array ) in a bmp image file , nothing too fan...

[no replies]

by mighty asker

Random numbers (1,2)

Hello. After reading a few threads for generating random numbers, I discovered that this is the right way to use it: #include<iostream> #include<cstdlib> #in...

[22 replies] Last: As a believer in determinism, I cannot accept that anything is ever tr... (by Disch)

by LadyInRed

"This" pointer

Hi, again I try to add two complex numbers using "this" pointer. In "Complex Suma(Complex z)" function the first number is represented by the curent object ...

[1 reply] : Your Suma function is fine. The problem is you are adding the 'Add' o... (by Disch)

by LadyInRed

Add two complex numbers

Hi, I am beginner in c++, and i need help. Thank you. #include <iostream> using namespace std; class Complex { private: int a; ...

[4 replies] Last: TarikNeaj i will be more precisely next time. Thank you guys! (by LadyInRed)

by elliott22

Function call requiring endline

My function calls below will only return a result if I include an endline after each function call. The functions are all basic get functions (code below). I a...

[5 replies] Last: Thank you very much!!! (by elliott22)

by jakeculp

Contact List Program: Can't output all contacts

I have a program below that is suppose to allow for a user to import an existing contact list if they have one or create a new one. This works however now I wan...

[3 replies] Last: Works fine for me except that only the first line of the file is read.... (by shadowCODE)

by Chimychangas

Quick question on global variables.

Hey guys, Just wondering, would this count as a global variable? It is currently placed within the private function of my class but I'm wondering if I move ...

[2 replies] Last: Well, it's a typedef, not a variable. So global? Yes. Variable? No... (by Disch)

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Beginners - March 2015 (Page 24)