please wait
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by sturk
C++ Polymorphism
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| Why is the output 'B' instead of 'BD'. Do not get it.. Given the following code: class B { public: virtual void foo(); }; void B::foo() { cout <<... |
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Apr 13, 2019 at 5:15pm
[2 replies] Last: pB points to an object of type B so that is why pB->foo() will call B:... (by Peter87)
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by arg57
Why use std::
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| Why do some people use std:: when you can use "using namespace std " ? ng Put the code you need help with here. ng |
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Apr 13, 2019 at 4:33pm
[2 replies] Last: the 10 cent summary of the article is that std:: is huge beyond contro... (by jonnin)
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by robis535
Making the player go back to the same question
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| Hello, im trying to learn how to programm and im trying to make a little test now as my first project. I want to make it so if you get the answer wrong it throw... |
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Apr 13, 2019 at 4:26pm
[1 reply] : #include <iostream> int main() { const int correct_answer = 4 ; ... (by JLBorges)
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by jsmith800
Storing vectors in vectors?
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| So I'm new to coding and I'm having difficulty with this homework. Basically the hw is an athletic department wants a program that calculates the area of basket... |
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Apr 13, 2019 at 4:22pm
[5 replies] Last: it does not work that way. push_back puts an entire item of the <type... (by jonnin)
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| allow the user to skip entering one of the values |
| can someone give me an example of a code that will still run if the user don't input a data? like for example if the user has to put 2 numbers, and the user ski... |
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Apr 13, 2019 at 4:16pm
[2 replies] Last: #include <iostream> int main() { int first = 10 ; // 10 is the d... (by JLBorges)
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by kenken
Primality test
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| This function seems to work for small number but fails with large number. Can anyone help me understand the problem. Thanks. bool isPrime(int number) { for... |
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Apr 13, 2019 at 11:08am
[6 replies] Last: Its part of the language and has been for some time (c-99 era? not sur... (by jonnin)
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| Python to CPP |
| I have a code snippet of tree in python but I can't change it to C++ so I need help here def max_profit(node): return max(-X, node.value + sum(map(m... |
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Apr 13, 2019 at 9:28am
[7 replies] Last: thanks i got it! but the max_profit() function which @helios converte... (by closed account STD8C542)
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| Need an approach |
| You are given a rooted tree with N nodes (numbered 1 through N); node 1 is the root. For each valid i, the i-th node has a value vi and another parameter mi. ... |
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Apr 13, 2019 at 8:12am
[8 replies] Last: It seem to question from an on going contest https://www.codechef.com/... (by gokuluffy)
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by m2020
operator precedence and pointer to an array
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| Hello everyone I have very basic questions 1- why the output of following code is 4? (in many ways i end up with value of 5) int i = 5; in... |
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Apr 13, 2019 at 7:23am
[5 replies] Last: Thank you dear duthomhas. (by m2020)
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| Return type of std::map::insert |
| At the time I try to understand the behavior of the std::map facilities. Especially I want to know of what type the map::insert return type is. I know that for ... |
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Apr 13, 2019 at 7:06am
[3 replies] Last: If you don't care if the key already exist or just want to overwrite o... (by Peter87)
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by sturk
C++ multiple inheritances
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| Why is the answer 1 and not 2 to the following codes below? Revising for a test. Thanks! Given the following code with multiple inheritances: class A { ... |
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Apr 13, 2019 at 7:02am
[1 reply] : ab.A::print(3.14f); This line specifically states that the print ... (by Repeater)
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| Search stopping when data not found |
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Apr 13, 2019 at 6:14am
[1 reply] : http://sscce.org/ Post something we can try showing your attempt to us... (by salem c)
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by kakaducsy
struct in c program
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| Bellow code is c programing. struct NodeStruct { int Base; int Value; void (*pinMode) (struct NodeStruct *node, int pin,int mode) ; } ; ... |
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Apr 13, 2019 at 4:15am
[2 replies] Last: Thanks Duthomhas (by kakaducsy)
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by kyrresc
Reading input from file into vector
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| Hello, I was reading in Bjarne Stroustrup's "Principle and Practice Using C++" when I encountered the following example, where we are reading from a file. ... |
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Apr 12, 2019 at 10:26pm
[5 replies] Last: Zeta z; … anytype z; // redefinition of z vs for (…) { ... (by Duthomhas)
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by navilgameboy
Getline Repeats cout command twice, Help please!
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| I'm trying to make a program that's just an general assistant. It works great. Just one glitch. When i type in my login username. It repeats "write something:" ... |
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Apr 12, 2019 at 8:28pm
[2 replies] Last: Hello navilgameboy, PLEASE ALWAYS USE CODE TAGS (the <> formatting ... (by Handy Andy)
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by Conan420
Inventory/List
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| I am wondering what would be the best way to create an inventory class or list, to store and possibly display the Items-Weapons-Potions that I have created. I a... |
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Apr 12, 2019 at 8:03pm
[1 reply] : I would be inclined to use either a std::set or a std::map. Use a std... (by Duthomhas)
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by navilgameboy
Getline Repeats cout command twice, Help please!
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| I'm trying to make a program that's just an general assistant. It works great. Just one glitch. When i type in my login username. It repeats "write something:" ... |
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Apr 12, 2019 at 7:59pm
[4 replies] Last: Yay. (by Duthomhas)
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| interactive program, sumone plz solve it |
| Write an interactive program that asks the user for the population of a country,and replies with how many percent of the world population lives in this country.... |
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Apr 12, 2019 at 7:41pm
[4 replies] Last: Try solving this in 3 steps. First write a program that prompts for t... (by dhayden)
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| "Segmentation fault (core dumped)" While Using Recursion |
| Please Note: This is a homework assignment, however , the due date has already passed and I'm just doing it for the learning aspect. If you've seen my previo... |
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Apr 12, 2019 at 6:35pm
[6 replies] Last: [quote=jonnin] Nevermind :) I havent worked in octal in a while, and m... (by PiggiesGoSqueal)
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by AlanW1
Homework Help Please - C++
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| In the new intellectual TV show, the participant passing to the super final is offered the following game: the letter of the Latin alphabet li is written on eac... |
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Apr 12, 2019 at 2:08pm
[8 replies] Last: dhayden, I will try to do it yourself according to your recommendation... (by AlanW1)
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