please wait
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by NKGold
It won't work
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| So the program is suppose to read three number hat are separated by commas and output the sum of the three numbers for example, Input: 1,2,3 SUM = 6 ... |
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Feb 3, 2019 at 11:29pm
[3 replies] Last: How exactly are you entering the values? After changing the type to ... (by jlb)
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by maroon419
Rounding to two digits and stop program from following two if statements
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| So it's been a while since I've done some coding and I've just got back to it after 4 years or so and I don't know what I am doing wrong. For starters, I am try... |
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Feb 3, 2019 at 9:03pm
[6 replies] Last: @chicofeo, Obviously English is not your first language. You've misund... (by dutch)
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by Marcus99
String manipulation
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| Write your question here. Can somebody help explain to me how to do string manipulation using substr() or find()? I feel like it is simple and I'm just over th... |
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Feb 3, 2019 at 8:38pm
[4 replies] Last: #include <iostream> #include <sstream> #include <string> #include <ve... (by lastchance)
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by DdavidDLT
LF Prime numbers
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| I'm trying to find how many prime numbers there are in a file. But so far something is wrong I believe that something wrong is with my function down below. Gave... |
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Feb 3, 2019 at 6:56pm
[1 reply] : Hello DdavidDLT, When I started working with the program Ii found tha... (by Handy Andy)
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| tridiagonal matrix inversion |
| May I know anybody here kindly can share tridiagonal matrix inversion? Thank you. |
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Feb 3, 2019 at 4:35pm
[9 replies] Last: Dear lastchance(2887), I realize that this technique will give me vec... (by nurulhudaismail)
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by atreides98
Ascending, descending sorting wrong numbers
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| Hi, I've got a problem with my code. It should show the random numbers in descending and ascending order, however sometimes it shows 0 at the first position ... |
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Feb 3, 2019 at 4:23pm
[1 reply] : Your arrays WILL be accessed out of bounds on lines 72 and 117, becaus... (by lastchance)
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by ryan157
12 Compiler errors found in my code :(
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| I am not sure why my program is generating these errors. Line 24 especially since I worked with a tutor I did not expect these errors. What am I doing wrong. I ... |
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Feb 3, 2019 at 12:52pm
[9 replies] Last: You cannot write functions that use Node unless you know how the Node ... (by keskiverto)
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by Bopaki
What does this line mean or do in this example program
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| This is an example program from DS Malik textbook. The program works 100% OK!! But of interest to me is this line of code: newString(int i0, int i1); /... |
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Feb 3, 2019 at 7:54am
[1 reply] : It's a member function prototype for the constructor of the class. J... (by Grime)
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by Kpshannon
Getting "inf" and don't know why
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| I am trying to compute e^x and have made a factorial function that I verified is correct. The factorial function is not shown. I suspect the error is in the for... |
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Feb 3, 2019 at 6:53am
[9 replies] Last: Please use code tags. If you want exp(x) - or most other power series... (by lastchance)
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by Paul012345
How to find a sphenic number
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| bool isSphenic (int numbers){ int i,j,arr[numbers+1],ans ; arr =0 ; arr =1 ; ans=0 ; for(i=0;i<=numbers;i++) arr =1 ; ... |
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Feb 3, 2019 at 6:46am
[2 replies] Last: Factorise your number by scanning from 2, 3, ..., sqrt(N). Divide out ... (by lastchance)
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by lovebug
seperate functions that open/close files
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| Hi, I have a quick question. I need to make two seperate functions that open and close a file. Normally I would make something that looks like this: std:... |
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Feb 2, 2019 at 9:39pm
[5 replies] Last: awesome, thank you! (by lovebug)
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by aycodetime
Is this code causing a memory leak?
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| I'm not sure if delete is actually de-allocating memory or if it's just calling next's destructor and re-pointing 'next' to nullptr. #include <iostream> ... |
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Feb 2, 2019 at 8:46pm
[4 replies] Last: Singly or doubly linked has nothing to do with it. The problem is call... (by dutch)
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by lost110
Passing by value
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| Hello! The output of this program is 5 and 125. But if I write only "cubeByValue( number )" i.e just call the function on 9th line, then output is 5 and 5. Why ... |
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Feb 2, 2019 at 5:09pm
[5 replies] Last: Bundle of Thanks! Stay blessed! (by lost110)
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by bzarr
Switch statement won't break and instead loops forever
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| For some reason when I run my program, the switch statement wont break and instead loops infinetly switch (choice){ case 'a': ans=x+y; ... |
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Feb 2, 2019 at 4:17pm
[3 replies] Last: @Grime and @Uk Marine thanks for the help I noticed I had put the swit... (by bzarr)
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| vector of vector |
| hi.i wanna define a vector of vector that have not certain member.actually i have two variable that show the rows and the columns and a third one that i want pu... |
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Feb 2, 2019 at 10:21am
[12 replies] Last: @ Grime unfortunately it was the first time that i used a vector and i... (by closed account y3091hU5)
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| vector of array |
| Here i have a code that works wrong! But i can't understand what's wrong. int main(){ const int NrSamples = 4; int NrEvents; std::ifstream input("Data_Test.t... |
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Feb 2, 2019 at 10:05am
[11 replies] Last: @lastchance i know that j=5 is out of rang but my code will be use by ... (by closed account y3091hU5)
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by garza07
TIC TAC TOE GAME (SIMPLE)
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| I HAVE IT LAID OUT BUT SOMEWHERE I WENT WRONG WITH THE CODE THAT ONLY THE X APPEARS... CAN SOMEONE POINT IT OUT AND CLUE ON HOW TO FIX IT #include <iost... |
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Feb 2, 2019 at 9:59am
[14 replies] Last: You're not doing a bad job at all for a newbie. I have some suggestio... (by Grime)
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by colton96
problem with looping and updating variables
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| I've having troubles trying to word this but basically my goal for the program is to have multiple people input how much change is in their pocket from toonies ... |
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Feb 2, 2019 at 7:25am
[3 replies] Last: A helpful link for vectors is https://www.geeksforgeeks.org/vector-in-... (by chicofeo)
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by Paul012345
Passing an array of numbers to a function
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| I am trying to find if the numbers from a file stored in an array are perfect numbers #include <iostream> #include <fstream> using namespace std; bool i... |
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Feb 2, 2019 at 4:22am
[3 replies] Last: #include <iostream> #include <fstream> bool is_perfect( int number )... (by JLBorges)
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by NKGold
I need some explanation
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| How can I make a program that can read multiple non-whitespace characters and form a string using the string .push_back() function. This has always confused ... |
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Feb 2, 2019 at 3:36am
[5 replies] Last: #include <iostream> #include <string> int main() { const std::si... (by JLBorges)
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