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| string::substr tutorial needs range added |
| This is an example from a tutorial for string::substr. Please change it so that the definition of 'pos' is now "but" plus 2 words before it and 2 words after it... |
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Jun 28, 2019 at 3:56pm
[3 replies] Last: This can't match @JLBorges', which is superbly efficient. However, her... (by lastchance)
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by jjordan33
scope of double nested for loop
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| Hi, I am a little confused about the scope of double nested loops. int i = 0; while (i < tot){ for (int j = 0; j < found; j++){ ... |
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Jun 28, 2019 at 2:37pm
[5 replies] Last: Consider me well schooled! =) Turns out, my intended question was bei... (by jjordan33)
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by Apollo28
I need HELP with C++ and Arduino
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| I have to create a program where I need to send numbers from a text file to an Arduino UNO through a C++ program. But once I've managed to open the .txt files a... |
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Jun 28, 2019 at 4:08am
[1 reply] : Which OS/Compiler are you running on the host machine. The one with th... (by salem c)
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by jjordan33
Trying to figure out rand()
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| Hi, Is the following code correct if I want to create a random number -RanNum - between 1 and 100 and convert it and store it into a string -s-? ... |
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Jun 27, 2019 at 6:10pm
[3 replies] Last: If you're just printing a number, you don't need to convert it to a st... (by Ganado)
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by mcgrim8
prime numbers (1,2)
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| this code is supposed to iterate through all consecutive numbers from 2 to 100 and should print all the prime numbers. What I get is instead a long list of repe... |
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Jun 27, 2019 at 4:25pm
[22 replies] Last: Don't sweat it... the best way to check isprime() for small (meaning u... (by jonnin)
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by KindEquation
Comparing Values from external file
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| I am a beginner and this is a homework assignment, so I don't need full blown out answers! I know my code probably looks like a mess, so thank you for understan... |
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Jun 27, 2019 at 4:19pm
[5 replies] Last: it seems likely. perhaps something like getline from file (getline ... (by jonnin)
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by mcclit
Storing multiple input inside a variable with out an array or vector.
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| Write a complete C++ program that reads in a list of scores until the user enters a negative number. It will add all the given scores up and subtract the bigges... |
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Jun 27, 2019 at 10:08am
[6 replies] Last: Don't forget to set firstTime to true. You can also use constructor t... (by Zaap)
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by annw3y
c++ replace elements in linked list
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| Does someone know how to write a function that replaces the first one with the last element in a dynamic, one-way linked list. |
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Jun 27, 2019 at 6:29am
[1 reply] : template <typename Item> void replace_first_by_last( std::forward_li... (by nuderobmonkey)
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by annw3y
c++
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| I need some help with some code. Here is the text: Plot the progress of the rider on the road. With the symbol * draw the number of percents by which a rider ha... |
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Jun 27, 2019 at 6:19am
[3 replies] Last: You've gotten your percentages. I assume that the "drawPath" function... (by zapshe)
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by advancedip
Fastest way to read data into an vector?
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| Can someone tell me if there is a faster than this? My text file has 40 million lines, so basically I am storing 40 million strings into my vector. ifst... |
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Jun 26, 2019 at 10:10pm
[8 replies] Last: As others have already pointed out, there's a lot to consider with suc... (by Niccolo)
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by pwnsamp
Add characters to a loop: C++
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| I want to be able to take my code and add A, B, C, D, E, F to each row, as so: 1A 1B 1C 1D 1E 1F 2A 2B 2C 2D 2E 2F 3A 3B ... |
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Jun 26, 2019 at 7:49pm
[2 replies] Last: Thank you. (by pwnsamp)
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by SparkXV
Can anybody suggest the solution in O(n)?
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| Two strings S and T of the same length N .Convert the string S into T by doing some operations. In an operation, you can delete the first character of the strin... |
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Jun 26, 2019 at 7:14pm
[9 replies] Last: It seems I misread the 'append' part... Sorry. :-( (by Duthomhas)
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by pwnsamp
For loop question: C++
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| I have a code here that displays integers from 1-100 using 5 columns. I would like to know how to only display the numbers that are divisible by 6 and 7. For e... |
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Jun 26, 2019 at 6:15pm
[6 replies] Last: I meant XOR, and thanks, this solves it. (by pwnsamp)
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by DarkParadox
derived classes
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| From article : protected members are accessible from other members of the same class (or from their "friends"), but also from members of their derived classes.... |
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Jun 26, 2019 at 5:35pm
[1 reply] : A derived class = subclass = child class, in OOP. See also: https://ww... (by Ganado)
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by medosz
While statement, two largest number
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| I wrote a program to find the largest number. This program use a while statement to prompt the user to enter 10 numbers. Then we get the largest number. What c... |
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Jun 26, 2019 at 2:28pm
[5 replies] Last: #include <iostream> #include <set> using namespace std; int main() {... (by anup30)
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by DarkParadox
Other data types
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| 1. What's the point of using union when we have struct?? In union we can't even know value of something because they share the same memories, but in struct we... |
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Jun 26, 2019 at 12:57pm
[7 replies] Last: Also use static to prevent the data from being created/deleted on ev... (by jonnin)
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| Question |
| Write your question here. Hello everyone. Question: Print the names of students who scored second lowest marks in a test. Encountering multiple problems(errors... |
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Jun 26, 2019 at 12:06pm
[3 replies] Last: Thanks Zaap, Salem c, everybody (by Beginner of C)
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| help much needed on TEMP assingment (ANY FEEDBACK IS GOOD FEEDBACK) |
| This assignment is pretty confusing just because it has a lot of steps and i'm pretty lost on what i'm doing wrong but i can not seem to get the correct code, a... |
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Jun 26, 2019 at 2:54am
[5 replies] Last: // The assignments wonky anyways just throw this at the teacher, sti... (by Shibitto)
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by Xanadu4ever
The usual overloaded "<<" conundrum...
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| Ok Gang, Mr. Dummy (myself!! LOL) is back with another problem that you would all THINK is easy (I hope it is) but I'm screwing something up! I am going t... |
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Jun 25, 2019 at 10:03pm
[14 replies] Last: Ganado is correct! The way the problem was worded, I was forced to us... (by Xanadu4ever)
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by jasper hall
Structure of array
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| here is my code, as u see i used structure of arrays. the question is how should i take the arrays element by user directly ? #include<iostream> #include... |
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Jun 25, 2019 at 9:52pm
[6 replies] Last: @Zaap: int n; cin>>n; Data f ; // this is not legal C++ The f has ... (by keskiverto)
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