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March 21st, 2013, 12:00 PM
#1
Pyramid of stars with spaces
Hello, i'm totally beginer, can somebody help me solve this (for cycle)?
Thanks in advance.
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March 21st, 2013, 12:24 PM
#2
Re: Pyramid of stars with spaces
Yes, but we're not a do your homework service, or a substitute for your classes or books. What have you got and where are you stuck?
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March 21st, 2013, 12:29 PM
#3
Re: Pyramid of stars with spaces
Yes it is homework, but i really don't know how to solve it. I spend with it about hour.:/
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March 21st, 2013, 12:41 PM
#4
Re: Pyramid of stars with spaces
So, what exactly is the assignment?
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March 21st, 2013, 01:01 PM
#5
Re: Pyramid of stars with spaces
Originally Posted by confused93
Yes it is homework, but i really don't know how to solve it. I spend with it about hour.:/
Then spend a few more hours, or days or weeks. Start at the beginning of the book and read and reread till it makes sense. You need some understanding of the basics before this forum can help you.
You'll need a for loop and the cout statement.
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March 21st, 2013, 01:31 PM
#6
Re: Pyramid of stars with spaces
I need program which draw this nice pyramid with for cycle, N=number of lines...
i need only content of for cycle
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March 21st, 2013, 02:15 PM
#7
Re: Pyramid of stars with spaces
I spend with it about hour.:/
So how far have you got? Post the code you've got so far (even if it doesn't compile or work) and we'll give you some pointers towards your next steps. As it's homework we can't write the code for you as that would be considered cheating. If you are having trouble learning the basics from your tutor you might want to look at these on-line tutorials for c++.
http://www.cplusplus.com/doc/tutorial/
http://www.learncpp.com/
Have you used the cout statement in previous programs you're written and got to work properly? Have you used a for loop before?
All advice is offered in good faith only. All my code is tested (unless stated explicitly otherwise) with the latest version of Microsoft Visual Studio (using the supported features of the latest standard) and is offered as examples only - not as production quality. I cannot offer advice regarding any other c/c++ compiler/IDE or incompatibilities with VS. You are ultimately responsible for the effects of your programs and the integrity of the machines they run on. Anything I post, code snippets, advice, etc is licensed as Public Domain https://creativecommons.org/publicdomain/zero/1.0/ and can be used without reference or acknowledgement. Also note that I only provide advice and guidance via the forums - and not via private messages!
C++23 Compiler: Microsoft VS2022 (17.6.5)
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March 21st, 2013, 03:46 PM
#8
Re: Pyramid of stars with spaces
#include <iostream>
#include "funkce.h"
using std::endl;
using std::cout;
void pyramida(int N, char symbol){
for(int i=0; i<N; i++){
cout << symbol << string(i, " ") << endl;
}
}
i need to find right logical condition into for
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March 21st, 2013, 04:03 PM
#9
Re: Pyramid of stars with spaces
When you post code, please could you use [code] tags. I should have mentioned this in post #7. Click Go Advanced, select code then click '#'. A couple of pointers.
Code:
cout << symbol << string(i, " ") << endl;
With string() you are trying to create a string of i spaces. However, this will give a compiler error as the space needs to be in single quotes for a character rather than double quotes for a string. Also cout prints from left to right. So you are first printing the symbol and then printing a number of spaces and then a new line!!
All advice is offered in good faith only. All my code is tested (unless stated explicitly otherwise) with the latest version of Microsoft Visual Studio (using the supported features of the latest standard) and is offered as examples only - not as production quality. I cannot offer advice regarding any other c/c++ compiler/IDE or incompatibilities with VS. You are ultimately responsible for the effects of your programs and the integrity of the machines they run on. Anything I post, code snippets, advice, etc is licensed as Public Domain https://creativecommons.org/publicdomain/zero/1.0/ and can be used without reference or acknowledgement. Also note that I only provide advice and guidance via the forums - and not via private messages!
C++23 Compiler: Microsoft VS2022 (17.6.5)
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March 21st, 2013, 04:17 PM
#10
Re: Pyramid of stars with spaces
Have you actually tried to compile and run this progam? You need to have a main() function that calls your pyramida() function. As you are using the string class, you will also need to have #include <string> as well togther with using std::string; Try compiling and running this program. Look at the output and then see if you can figure out what else needs to go in the for loop to produce the triangle.
Happy coding
All advice is offered in good faith only. All my code is tested (unless stated explicitly otherwise) with the latest version of Microsoft Visual Studio (using the supported features of the latest standard) and is offered as examples only - not as production quality. I cannot offer advice regarding any other c/c++ compiler/IDE or incompatibilities with VS. You are ultimately responsible for the effects of your programs and the integrity of the machines they run on. Anything I post, code snippets, advice, etc is licensed as Public Domain https://creativecommons.org/publicdomain/zero/1.0/ and can be used without reference or acknowledgement. Also note that I only provide advice and guidance via the forums - and not via private messages!
C++23 Compiler: Microsoft VS2022 (17.6.5)
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March 21st, 2013, 04:57 PM
#11
Re: Pyramid of stars with spaces
Yes, i have function.cpp, function.h and main.cpp but all what i need is logical condition into for cycle
Code:
void pyramida(int N, char symbol){
cout << symbol << endl;
for(int i=0; i<N; i++){
cout << string(i, ' ') << endl;
}
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March 21st, 2013, 05:37 PM
#12
Re: Pyramid of stars with spaces
Try this for a starter hint. See what it displays and then see if you can add the code to complete it.
Code:
void pyramida(int N, char symbol)
{
for (int i = 0; i < N; i++){
cout << string(i, ' ');
cout << symbol << endl;
}
}
All advice is offered in good faith only. All my code is tested (unless stated explicitly otherwise) with the latest version of Microsoft Visual Studio (using the supported features of the latest standard) and is offered as examples only - not as production quality. I cannot offer advice regarding any other c/c++ compiler/IDE or incompatibilities with VS. You are ultimately responsible for the effects of your programs and the integrity of the machines they run on. Anything I post, code snippets, advice, etc is licensed as Public Domain https://creativecommons.org/publicdomain/zero/1.0/ and can be used without reference or acknowledgement. Also note that I only provide advice and guidance via the forums - and not via private messages!
C++23 Compiler: Microsoft VS2022 (17.6.5)
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March 22nd, 2013, 10:32 AM
#13
Re: Pyramid of stars with spaces
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