please wait
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by stoneJax
Recursion
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| I need to write a function that will swap two elements in an array of chars. This needs to be done recursively. I can swap the elements by creating a temporary ... |
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May 13, 2019 at 6:50am
[15 replies] Last: Thanks again! (by stoneJax)
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by advancedip
string sorting
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| Write your question here. How are strings sorted? They are compared with ascii but sometimes the total ascii value can be the same but rearranged differ... |
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May 13, 2019 at 3:50am
[1 reply] : Strings are compared lexicographically. [quote=cppreference]Lexicograp... (by mbozzi)
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by Greenboba
Library inclusion issues
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| I think my program is generating errors due to my library inclusion, can not figure out why. Here's the header file with the libraries: #pragma once #inclu... |
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May 13, 2019 at 2:01am
[1 reply] : What do you mean by the header file? Do you include that file in eve... (by dutch)
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by ramimontagna
Error on Sokoban code
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| Hey guys, I'm developing a similar Sokoban code, for a beginner programmer. But, some error is occuring when the "gamer" put the object in front of the wal... |
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May 12, 2019 at 11:14pm
[1 reply] : What exactly do you think this is testing? if (x != 8 and cx != (x ... (by dutch)
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by notacoder
what is the pattern to be followed
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| https://www.codechef.com/MAY19B/problems/ADAROKS2 I tried backtracking but its too complicated and difficult to check for rectangles ....Please tell the appro... |
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May 12, 2019 at 8:28pm
[2 replies] Last: > Please tell the approach How many chess boards have you drawn on pa... (by salem c)
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| I think I have declared and implemented these booleans wrong |
| Simply, what are the flaws here? I was never good with bool, so I have no idea. The following code is extracted. This code is from the header file bool ... |
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May 12, 2019 at 5:51pm
[13 replies] Last: I don't, and that is why I didn't mention it earlier. My last post was... (by Peter87)
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by ICantC
basic string class
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| I'm trying to implement a basic string class for educational purposes (I'm told the std::string is mainly complicated template code), I've made a start below bu... |
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May 12, 2019 at 5:08pm
[5 replies] Last: [quote=ICantC]Yeah I'm still going to use std::string for everything, ... (by deleted account xyzzy)
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| DevC++ graphics.h |
| I have downloaded the graphics.h files and placed them in the right directories, and linked to -lbgi. The DevC++ compiler is giving errors such as the following... |
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May 12, 2019 at 4:03pm
[3 replies] Last: [quote=salem c]Borland Graphical Interface belongs in a museum, and yo... (by deleted account xyzzy)
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by mpg
Power recursion
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| Is it right? #include <cstdlib> #include <ctime> #include <cmath> #include <iostream> using namespace std; int potenza(int x, int y) { if (x == 0 && y==0) ... |
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May 12, 2019 at 3:57pm
[8 replies] Last: true, you have to add if both are zero check. good catch, but you can... (by jonnin)
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by Pecvx
const member functions
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| Hello, Let's say we have a class defined like this: class myClass { private: int a; public: myClass(int a) : a{a} {} int geta() const { ... |
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May 12, 2019 at 3:38pm
[5 replies] Last: For class types and references there is a difference: struct Bar { ... (by keskiverto)
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by Ivitoh
Jump to a specific string of a list<string> (1,2)
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| Hello, just like the title says, i want to jump to a specific string from a line<string> that has a lot of strings that were passed by a text, for example, lets... |
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May 12, 2019 at 10:32am
[20 replies] Last: Okay... What I have done so far.. bool AYED2019::operaciones(vector<s... (by Ivitoh)
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by Shibitto
Can you help me with this exercise thank you
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| Hello, I was trying to comprehend this exercise and I can't seem to understand what the exercise is asking, it took me along time to realise 62.14 is also 0.261... |
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May 12, 2019 at 10:13am
[4 replies] Last: I never really understood gallon conversation Bean counter disappr... (by MikeStgt)
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| Returning an array of type struct |
| I have a struct that takes in values for name, id, salary, etc, called Emp. I have a function that creates an array, employee , and then uses a for loop to fill... |
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May 12, 2019 at 9:32am
[4 replies] Last: Thanks Repeater, the same code is very helpful (by crimsonknight166)
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by hnkwana
solve congruency
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| Write a procedure to solve a pair of congruences of the form x ≡ a (mod m) x ≡ b (mod n) where m and n are relatively prime. The existence and uniqueness ... |
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May 12, 2019 at 9:02am
[6 replies] Last: thank you so much, I understand it now (by hnkwana)
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by lost110
Exceptional handling simple program
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| Write a simple program using function that throws an exception if divide by zero occur and catch the exception in main. b. Write a program to throw and catch th... |
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May 12, 2019 at 7:13am
[8 replies] Last: Thanks a lot Enoizat! (by lost110)
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by notacoder
Approach for the question
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| https://www.codechef.com/MAY19B/problems/WTBTR I just can't understand how to start the approach.Please help.I know it's a live contest so don't give direc... |
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May 12, 2019 at 6:36am
[6 replies] Last: I have got partial marks. What is the logic of getting All AC ? please... (by lucifer21)
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by jamesfarrow
breaking code into functions
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| as an exercise I have to write a program with specific functions. Find primes then put them into a vector then print them out. The last 2 I think I can do its ... |
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May 12, 2019 at 6:04am
[3 replies] Last: #include <iostream> #include <vector> #include <iomanip> // functio... (by JLBorges)
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by mercedx
lottery program with function
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| I have written a program for the prompt, "You’re going to write a program that models the Littleton City Lotto (not a real Lotto game). The program is goi... |
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May 11, 2019 at 8:14pm
[2 replies] Last: I see that now, removing the brackets doesnt work either and i am not ... (by mercedx)
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by Fortem
Database in c++
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| Hi guys. So I am about to create a program that can manipulate a database outside of the program, but I got tons of ways to do that and I'm puzzled which method... |
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May 11, 2019 at 4:48pm
[3 replies] Last: Second on Duthomhas. MySQL has been a staple for a long, long while, ... (by Niccolo)
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by AxA
what is the difference between these 2 types of initializing an integer?
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| what is the different between: #include <iostream> using namespace std; int main() { int x{1}; return 0; } and #i... |
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May 11, 2019 at 1:29pm
[3 replies] Last: In such a short example you cannot spot any difference, but the unifor... (by Enoizat)
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