General C++ Programming - C++ Forum - September 2016 (Page 17)

Is this a generic function of a function template? template <typename T> T lowerNumber(T x, T y) { // returns the lower number of x and y return (x < y...

[2 replies] Last: ok thanks (by Dkob1)

by JohnnyBeeGoody

Find value (vector vs unordered_map)

Hello, I'm working on a program that aims to backtest quantitative strategy and after looking at the performances of the code, I see that more that half of ex...

[1 reply] : std::unordered_set http://en.cppreference.com/w/cpp/container/unorde... (by JLBorges)

by plusmiinus

can some do this for me ASAP.?

1. write a code which deletes the previous of the last element in a linked list 2. write a code which for a given sentence by the keybord(in a stack S) will ...

[no replies]

by vedymin

Can anyone help me with this?

Unfortunately I'm way behind due to some personal issues and this assignment is due tonight. Can anyone help me? My assignment is as follow: Write a program ...

[no replies]

by JORGEMAL

How to manage an array of pointers to a struct

Firstly, I have to tell you that I am a beginner in the subject of pointers. I have the following struct: struct Item { Item* nextPtr; int intKey; ...

[1 reply] : std::vector<Item*> HEADS; // empty list // When you have a new list:... (by keskiverto)

by mb20

Need help with comparing and incrementing values

-Create two clockType objects: cellPhoneClock and myComputerClock. -Prompt the user to enter the times for both clocks. ...

[4 replies] Last: clockType cellPhoneClock; clockType myComputerClock; (by mb20)

by shadowmouse

Perfect forwarding

It is my understanding that if you use T&& and std::forward<T> with templates, you create perfect forwarding, in that you can pass both lvalues and rvalues to a...

[4 replies] Last: Ohhhhh. That makes sense, thank you. (by shadowmouse)

by robertmullisd

C++ Create and Rotate an ASCII picture 90 degrees of USM

, write a program to draw a ASCII picture of “USM”. Then rotate the picture for 90 degrees. #include <iostream> #include <fstream> using namespace s...

[1 reply] : i need help getting started from this point because its not working to... (by robertmullisd)

by Jdeleon8

Need Help with Input Validation Loop

Hey everyone I am having trouble with my magic eight-ball program and any help would be greatly appreciated. 1. Magic Eight-Ball Program: Write a program that a...

[4 replies] Last: Oh so I don't even need to have the do statement, OK this helps a lot.... (by Jdeleon8)

by mvgnum

Allocation function

Hello y'all. I need help with a function. I am asked to write a function that allocates memory and store data in an array of integer. I have to use base offset ...

[1 reply] : If you want a two-dimensional dynamic array you only need a single dou... (by mbozzi)

by Kyle M

errors! (1,2)

Hi I got bumped back in my progress because I am getting a bunch of errors. Ok I fixed some errors but still complaining about conversion for shared ptrs. I am...

[26 replies] Last: Ah not sure why there was a parameter on the display function, maybe f... (by Kyle M)

by closed account iz8p4iN6

SFML wiht Code::blocks

HEY people, i was having trouble with SFML in codeblocks so can anyone teach me how to make it work (or being able to run SFML codes?) Because I've searched ...

[1 reply] : Have you tried following the instructions on the SFML website? If you ... (by Peter87)

by kandarp143

Find Substring between two symbols.

Hello all, I am new to c++ programming. I need some help, I have string : ---- Input : "Name : $$ Enter Your Name2 $$" I want to extract string betwee...

[1 reply] : You are handling a string. Look at the definition of a string! http://... (by closed account 48bpfSEw)

by jmichae3

function template throws errors on <

(g++)error: expected initializer before '<' token namespace str { template<class S> S str::localestringlower<S>(S s) { ... } } how wo...

[4 replies] Last: This is ambiguous, and the error diagnostic points out the ambiguity: ... (by JLBorges)

by mvgnum

Help to finish my code

Hello guys, I found this exercise online and i need to do it for my class. Write a program that implements the following diagram: http://i66.tinypic.com/2h7n...

[2 replies] Last: kemort it's a link to our c++ online class. Only the student of the cl... (by mvgnum)

by closed account iz8p4iN6

is this possible?

Hi I don't know if this is possible but if you enter something like /23, Will you be able to ONLY detect / so a new line of code would run? Its especially use...

[8 replies] Last: oh check out my post in LOUNGE board :) (by closed account iz8p4iN6)

by ThisUserAgain

Count first digit on each line of a text file

My project takes a filename and opens it. I need to read each line of a .txt file until the first digit occurs, skipping whitespace, chars, zeros, or special ch...

[15 replies] Last: (Character by character will work but is not best suited to the doubl... (by cire)

by robfit6455

Two interger adding, subtracting, dividing, and multiplying program

I am having trouble figuring out how to go about adding the math operators to this code. #include <iostream> #include <iomanip> using namespace std; i...

[no replies]

by wh1t3crayon

Comparing strings always returning false

I'm trying to compare a substring to a string that I have written, like below, but the if statement is always returning false for some reason. if(string.s...

[3 replies] Last: substr() (sometimes called mid()) is a common string operation in many... (by helios)

by Orrin

Made 4 function calculator using if and else will not work right

#include <iostream> using namespace std; int num1, num2, result, function, add, subtract, multiply, divide; int main() { cout << "Please ente...

[2 replies] Last: Thank you for the help. It works really well now! (by Orrin)

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General C++ Programming - September 2016 (Page 17)