please wait
| Get the start and end of a char |
| I have a peice of code like this, to see whether a string entered is palindrome bool isPalindrome(int l, int r, char* s) { if (l == r) { return ... |
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Mar 10, 2019 at 4:08pm
[2 replies] Last: Thank you. Have a nice day! (by thinhphucvang)
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by Alb13G
Getting int num;redefinition error in while loop
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| The problem is I'm getting a int num;redefinition error. I don't think whats in the braces is right either int num = lower_num; --- (causes a int num;redefini... |
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Mar 10, 2019 at 11:54am
[5 replies] Last: Thanks salem c that works! Thanks everybody for your help getting me t... (by Alb13G)
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by LucasArroyo
How to return all the Elements of an array.
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| How to return all the Elements of an array. Hey Guys! I'm just a newbie here, I need help with my code; How do I return the values in the element? can it ... |
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Mar 10, 2019 at 11:48am
[2 replies] Last: Thank you very much, you made it simple enough (by LucasArroyo)
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by Bopaki
Error in overloading the istream operator>>
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| I get this error when compiling: ccAssignmentOprOverload.cpp:19:9: error: invalid user-defined conversion from 'char ' to 'const ccAssignmentOprOverload&' [-f... |
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Mar 10, 2019 at 9:15am
[5 replies] Last: Here is the modified version: #include <iostream> #include "cAssignm... (by Bopaki)
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by Vetzo
std::unordered_map iterator
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| Hello Forum, I have an "unordered_map" variable. I use its function "find()". I want to put its return value into another variable. std::unordered_ma... |
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Mar 10, 2019 at 7:30am
[2 replies] Last: Hello, I found the following method: std::unordered_map<DWORD, std::... (by Vetzo)
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by sturk
C++ class inheritance
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| Hi, I need help with my '=' assignment operator as shown below. Basically I need to also assign an int value along with the point. Refer below. May I know how I... |
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Mar 10, 2019 at 6:57am
[1 reply] : Perhaps you meant this? Circle& Circle::operator= (const Circle& a) ... (by Grime)
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by sara91
How to store data from text file into vector of vector
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| Hi. I'm c++ beginner. Currently, I still learn how to store data into vector from text file. I don't know I do it right or wrong. But it seem wrong because noth... |
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Mar 10, 2019 at 5:33am
[4 replies] Last: can someone help me with this? [cpp.sh/3g4da] (by queue)
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| Getting a segfaulr and I can't figure out why |
| Title. I don't know why this is happening but I am getting a segfault saying free(): invalid size error is __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sys... |
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Mar 10, 2019 at 5:15am
[7 replies] Last: > while(filein && !filein.eof()) You also need to be checking i < num... (by salem c)
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by sturk
C++ compilation issue on class inheritance
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| As I am fairly new in inheritance, I have some compilation error which I do not know how to resolve. I have no where to go to and hence I come here. I would ver... |
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Mar 10, 2019 at 5:00am
[3 replies] Last: > Point& operator = (const Point &a) This doesn't seem to be inside yo... (by salem c)
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| What could i do with the basics |
| So I am reading a C++ book "C++ without fear" by Brian Overland. and its a beginners book on C++ programing and I was just wondering, if I finish this book and ... |
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Mar 10, 2019 at 4:56am
[4 replies] Last: Just reading a book (or several books) won't teach you much apart from... (by salem c)
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| #error? |
| What is this for, all it does is post an error message and stop the program from running. Is there any practical use for this, or is it just a thing because it ... |
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Mar 10, 2019 at 4:41am
[2 replies] Last: #ifdef _WIN32 #error Nope! No way! Sorry, but no. #endif ... (by dutch)
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| error: passing 'const value_type {aka const Triangle}' as 'this' argument discards qualifiers... |
| Okay, I should note that this is homework that is due in ~1-2 days, unlike my previous posts that have been questions for homework already past their due dates ... |
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Mar 10, 2019 at 4:30am
[5 replies] Last: Edit: Closing this, I wasn't able to figure it out so I decided I'd ju... (by PiggiesGoSqueal)
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by cutwo
Asking for a review
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| Hello, this code is not running and I am having a difficult time finding out why, please help #include <iostream> #include <string> struct listNode ... |
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Mar 10, 2019 at 4:22am
[2 replies] Last: https://en.wikipedia.org/wiki/Indentation_style 250 lines of zero inde... (by salem c)
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| Using cin, getline(), and maps.. Unexpected Behavior |
| I'm trying to solve this problem: https://open.kattis.com/problems/baconeggsandspam I've commented out some of my code as it's unrelated to the issue I'm posti... |
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Mar 10, 2019 at 2:31am
[8 replies] Last: Lol, didn't even occur to me someone would/could make that connection,... (by PiggiesGoSqueal)
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by caedus
New programmer stuck on self teaching question
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| Hi Guys, im currently teaching myself c++ in my offtime and im really enjoying it. However when i get to stops in the road it can be hard to push forward withou... |
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Mar 10, 2019 at 2:21am
[6 replies] Last: You only need to ask for one number, so asking for a number should no... (by Duthomhas)
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by John Davis
Pushing back a vector into a vector of vectors and then printing out the vector
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| Lets say you have std::vector<int> tmp{ 1,1,1,1} std::vector<std::vector<int>> tmp2; How would you be able to store the tmp vector in... |
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Mar 10, 2019 at 2:20am
[4 replies] Last: If you want to get real fancy overload std::ostream operator>> so pr... (by closed account E0p9LyTq)
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by cabutbul
string declaration and cout function
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| Hi. I'm trying to reverse a string which read from the user, and print the reversed string. I have two issues: How to declare unknown size of the reversed strin... |
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Mar 10, 2019 at 1:09am
[3 replies] Last: #include <iostream> #include <string> #include <algorithm> int main(... (by closed account E0p9LyTq)
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by John Davis
How do you combine different numbers into one number ? E.g (1,2,2) = 122
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| Example : 1230304 (B) 1) 0000000 (2) 2) 1000000 (3) 3) 1100000 (3) 4) 1200000 (4) 5) 1210000 (4) 6) 1220000 (4) 7) 1230000 (5) 8) 12... |
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Mar 10, 2019 at 12:25am
[16 replies] Last: @ Ganado, That is interesting. I must have been messing up somewhere..... (by John Davis)
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| How can I change my code to get a different triangle output. |
| Hi, I have this bit of code that I wrote to print a triangle that looks like this: https://imgur.com/EYKlAM0 What I want to do, is change it to look like this:... |
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Mar 10, 2019 at 12:00am
[2 replies] Last: Yes! Thank you so much. (by skullripper675)
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| printing chars in hexadecimal manner |
| I want to print plain chars as hex numbers, is there a smooth way doing such? That's how I tackled it, but it would great if I could avoid the converting funct... |
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Mar 9, 2019 at 11:28pm
[12 replies] Last: #include <iostream> #include <string> #include <fstream> #include <io... (by JLBorges)
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