please wait
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by brijvit
cin.get not holding console
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| Following is a simple programme which i wrote for calculating array length. #include<iostream> using namespace std; int arz(int ard ) { int d=0,i=0... |
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Dec 29, 2018 at 8:14pm
[2 replies] Last: [code firstline=17] cin>>x; int are[x+1]; @ brijvit I would ... (by TheIdeasMan)
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by rozick1
Is this a good way to recursively explore a tree structure?
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| Hi I have objects in a tree data structure and need a function to explore an object's parents/grandparents. I've written the following: void findEnts... |
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Dec 29, 2018 at 5:54pm
[1 reply] : A tree can have many children for each parent, but a child never has m... (by Browni3141)
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| map question |
| Complicated errors :/ Not telling which line has problem. https://www.hackerearth.com/practice/data-structures/hash-tables/basics-of-hash-tables/practice-probl... |
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Dec 29, 2018 at 5:11pm
[10 replies] Last: Yes, the end result is the same. (by Peter87)
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by SMF
Linking Boost Library to qt
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| I recently downloaded qt to be able to create a GUI for my C++ program and was wondering how I can link the boost multi-precision library that I have downloaded... |
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Dec 29, 2018 at 5:01pm
[3 replies] Last: Right, let's look at that error message: "no such file or directory:... (by Repeater)
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by Zivojin
Error link1168
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| Hello everyone.My program was working but suddenly after i just changed some numbers it started to fail with error link1168 This window pops out _CRT_SECUR... |
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Dec 29, 2018 at 4:13pm
[4 replies] Last: Hello Zivojin, Your error is about not being able to write to the fi... (by Handy Andy)
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| What is wrong with this? |
| I am trying to write this such that [teaching c++ online course]: 1) reads a Cartesian point 2) calculates distance from origin 3) finds distance compared to la... |
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Dec 29, 2018 at 3:52pm
[3 replies] Last: No. Variables aren't created in function declarations, and line 10 isn... (by mzimmers)
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by LeslieLeslie
Is there any way to pass a value to outside of a switch?
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| For instance, i want to pass the int a from case1 to outside of the switch statement for(;;){ do{ switch(XX){ case1: int a; case2: default: } (can i get th... |
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Dec 29, 2018 at 10:45am
[3 replies] Last: ty bro (by LeslieLeslie)
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by mcr99
Read Input from Text file
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| I have a text file with some names in this format: "MARY","PATRICIA","LINDA","BARBARA","ELIZABETH","JENNIFER" How can store each name separated on ... |
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Dec 29, 2018 at 9:38am
[3 replies] Last: You don't need erase() and (in this instance) the comma is irrelevant.... (by lastchance)
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by Bopaki
Getting a wrong output when running the program
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| Everything looks correct on this project, but the output is not correct. Here is what I get as output: Student Name: Lisa Miller Student ID: 890238 Number... |
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Dec 29, 2018 at 9:03am
[7 replies] Last: You very welcome, Bopaki. Happy coding. (by Enoizat)
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| Converting vectors into a 4 digit number |
| Hello. I was recently doing a coding challenge where one step includes rearranging the digits from a 4 digit number to make it the largest it could be, using a ... |
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Dec 29, 2018 at 4:40am
[1 reply] : One quick and dirty method is to build up a string from the individual... (by closed account E0p9LyTq)
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by SMF
GUI for C++ Program
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| I have created a C++ program on my MacBook using Xcode and would now like to create a GUI for my program. How can I do this? I created a program using Python ... |
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Dec 29, 2018 at 4:23am
[3 replies] Last: I was able to download Qt for free and use this to begin to create my ... (by SMF)
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| huge factorial |
| What is wrong with my program? The answer is little off. This is for calculating factorial #include<iostream> using namespace std; int main() { ... |
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Dec 29, 2018 at 4:12am
[3 replies] Last: @kingkush but 100! won't fit in int (by closed account 1vf9z8AR)
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by Andrei123f
Why this recursive function works?
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| This should return true if a number belongs to an array of numbers and false if not. I don't know how this works, because I call the function only by check(n... |
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Dec 29, 2018 at 2:42am
[6 replies] Last: Oh okay so in short having defaulted arguments before non defaulted ar... (by Grime)
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| Making a square root function |
| I understand that you can use std::sqrt. I would like to avoid using cmath library and make my own function to do this.I have tried doing things like x^0.5 b... |
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Dec 29, 2018 at 1:14am
[4 replies] Last: unless you are on a CPU that does not directly support it, you will no... (by jonnin)
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by Cheddar99
Overloaded Class Operator
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| Okay, so the code below is a copy of code from an online course thingy I'm attempting, and is meant to be demonstrating overloading an operator. In this case it... |
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Dec 28, 2018 at 10:33pm
[6 replies] Last: I get it! That makes sense now; thank you each so much for your replie... (by Cheddar99)
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by Mehmood Umer
convert do loop into while or for loop
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| convert this into while loop and for loop, this solved in do loop #include<iostream> #include<conio.h> using namespace std; main() { int num,first,second; ... |
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Dec 28, 2018 at 7:41pm
[2 replies] Last: Thanks....this really help me (by Mehmood Umer)
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by Mehmood Umer
answer gives wrong
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| i probably solved but in last some problem and gives wrong answer please indicate the mistake #include<iostream> using namespace std; main() { int i,... |
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Dec 28, 2018 at 7:29pm
[4 replies] Last: Ok! (by Mehmood Umer)
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by riccardo
Graphic library for math and geometry
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| Hi everyone. I am looking for advice on which library to use for creating graphic elements. What I want to represent are geometric elements as vectors on three-... |
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Dec 28, 2018 at 6:08pm
[2 replies] Last: Thank you a lot Ganado :) I'll try to do something with OpenGL. When I... (by riccardo)
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by Mehmood Umer
there is some problem?? first seven terms add using for loop
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| #include<iostream> using namespace std; main() { int i,j; float f,sum; sum=0; for(i=1;i<=7;i++) { f=1; for(j=1;j<=i;j++) f=f*j; s... |
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Dec 28, 2018 at 6:07pm
[2 replies] Last: Thank you very much... (by Mehmood Umer)
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| How do to call this function |
| Write your question here. #include <iostream> #include <cmath> void quadsolve(double a, double b, double c, bool& real, double& x1, double& x2){ ... |
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Dec 28, 2018 at 4:01pm
[4 replies] Last: AH! I did not know you can just call a function like this, sorry still... (by imperialcplusplus)
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