please wait
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by XboxOne2019
A logic explanation about averages
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| Hello, we are writing a homework code about finding the average of odd numbers in an array. Someone helped us a little with the code, but I can't figure out log... |
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Jul 15, 2019 at 2:53am
[6 replies] Last: @ jonnin Yes, agreed that new code is typically fine with doubles. @... (by Duthomhas)
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by mcgrim8
strings to numbers
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| I am trying to input two numbers as c strings, it should be 4 digits long and should contain no letters. This code gives me C3687 and C2446 errors. I am tryi... |
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Jul 15, 2019 at 12:06am
[16 replies] Last: or the 2 cent answer, std is too big, so its better to do smaller usi... (by jonnin)
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by dutch
efficient coding
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| You should get 90 points just for reading that pointless pile of garbage. codechef sucks and teaches nothing. |
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Jul 14, 2019 at 7:50pm
[14 replies] Last: you are messing up the update part. index= 0 1 2 3 4 value= 3 9 10 11... (by ne555)
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by CodeNovice01
Why are these codes doing this?
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| Here are two different codes with the same information just about. But each code is different. Each time I run one the output is vertical, when I run the other ... |
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Jul 14, 2019 at 7:08pm
[3 replies] Last: ... (by highwayman)
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by highwayman
One-run functions?
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| I’m not entirely sure, but isn’t there a way to make a function so it only really runs once and then the rest if the times it just returns the computed valu... |
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Jul 14, 2019 at 6:23pm
[9 replies] Last: Sorry that’s supposed to be VARS not CARS so sorry XD thanks for the... (by highwayman)
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by rozick1
can vectors be used without invoking copy constructor?
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| Hi I have a vector V which contains objects of type O. Generally, I want to prevent O from being copied so I've made the copy/assignment operators private. ... |
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Jul 14, 2019 at 5:05pm
[3 replies] Last: > Is that because std::ofstream has deleted copy constructor/assignmen... (by JLBorges)
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by cool123dude
To divide the elements into K segments such that the sum of minimum element of each segment is maximum
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| Given an array of N elements divide the elements into K segments such that the sum of minimum element of each segment is maximum Sample Input : N=4 K=2 1 2 5... |
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Jul 14, 2019 at 7:45am
[2 replies] Last: Note that the sample has a second solution: [1,2]+[5,3] The task is a... (by keskiverto)
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by jigs123
vector rend call
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| I was expecting following program output 1.But for some reason I am getting output of "201360154". int main () { std::vector<int> bar = {1,2,3,4,5}; ... |
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Jul 14, 2019 at 5:43am
[3 replies] Last: About std::vector::rend.... Returns a reverse iterator pointing to t... (by deleted account xyzzy)
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| Compile time string build function |
| I want to build a string/char in the compile time. constexpr char INPUT = "abc"; // input char /// Not Working Function /// But that is what I want c... |
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Jul 14, 2019 at 3:28am
[7 replies] Last: Here's a very sloppy but still much nicer version in the value domain:... (by mbozzi)
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| Help stuck in this problem |
| Help me in removing wrong answer in this program? This is the problem: There are N bottles. ith bottle has A radius. Once a bottle is enclosed inside another... |
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Jul 13, 2019 at 5:04pm
[1 reply] : Hello counter strike, PLEASE ALWAYS USE CODE TAGS (the <> formattin... (by Handy Andy)
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by CodeNovice01
Operations Program, Need guidance
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| I have a program I need to code that: Handles 25 interger numbers. Declares Array A and B. Fill Array A from input file "numbers2.in". Fill Array B with 25 ran... |
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Jul 13, 2019 at 4:47pm
[9 replies] Last: @CodeNovice01: Read http://www.cplusplus.com/doc/tutorial/functions/ a... (by keskiverto)
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by CodeNovice01
With functions and arrays
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| If I have a program and I need 'Array A' to read in values from an infile, how would I make that into a function? And also 'ArrayB' needs to be setup with 25... |
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Jul 13, 2019 at 4:44am
[8 replies] Last: Jonin, I appreciate the advice, as of right now my professor wants us ... (by CodeNovice01)
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by jsmithplus
Shortening this comparison code the right way
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| This code is inside a while loop and version 1 works, but I guess the code is too big and readability is bad. The array that needs to be ckecked is always going... |
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Jul 12, 2019 at 9:08pm
[4 replies] Last: is this really do { code } while (something and all the combo test... (by jonnin)
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by dutch
dsj vjskd
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| I solved only subtask #2 What was your algorithm? EDIT: Original poster has disappeared. |
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Jul 12, 2019 at 8:55pm
[17 replies] Last: don't check every combination, check only the ones that occur between ... (by ne555)
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by adam2016
Dynamic cast vs static cast
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| hi guys, again I'm watching one of Jamie kings videos ( https://www.youtube.com/watch?v=0AuPWXuBmyo ), in one aspect it's helpful in another it's not, the as... |
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Jul 12, 2019 at 8:17pm
[8 replies] Last: very true :) (by adam2016)
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by kokonuts
Function issue
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| Hello everyone, I'm currently learning c++, so still don't understand everything so please forgive me for my lack of knowledge. Here is my issue, i'm trying... |
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Jul 12, 2019 at 6:27pm
[4 replies] Last: No, ::variable would only be need to explicitly reference a variable i... (by Ganado)
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| Restructuring a GSL matrix |
| I have a set of K*K square matrices and I would like to create a new (K+1)*(K+1) square matrices where each K size block matrix copies in this new one then ther... |
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Jul 12, 2019 at 3:07pm
[3 replies] Last: I'm not familiar with gsl , but taking a guess, try moving gsl_matri... (by dutch)
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by medosz
Factorial with while statement
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| This program reads a nonnegative integer then it should compute and print its factorial with while statement. For example 5! 5*4*3*2*1=120 I get 0 as resoult.... |
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Jul 12, 2019 at 1:11pm
[1 reply] : Your loop goes one-too-far, ultimately multiplying the result by 0. ... (by dutch)
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| Help me to understand these sections of code |
| So, i am going through the book 'Beginning C++ Through Game Programming'. I have reached the Hangman game and am trying to understand a few sections of code. ... |
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Jul 12, 2019 at 11:17am
[5 replies] Last: This mean until you get no match. (by Zaap)
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by Jochebed111
Vector crashing
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| Why is my vector program kept on crashing There's the question: 5. Use C++ Standard Template Library <vector> to do the followings: (a) Declare a vector name... |
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Jul 12, 2019 at 9:02am
[13 replies] Last: > so actually we couldn't use assign() function to assign the value 5 ... (by JLBorges)
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