I have made a very simple program to test the VS code Runner extension.
My code is
#include<stdio.h>
int main()
{
int a, b, c;
printf("Enter two numbers to add\n");
scanf("%d%d",&a,&b);
c = a + b;
printf("Sum of entered numbers = %d\n",c);
return 0;
}
After running the code and waiting for many minutes it still shows
[Running] cd "/home/souro/Desktop/" && gcc souro.c -o souro && "/home/souro/Desktop/"souro
No output is showing it only shows running.
Try using the terminal for running the code, if you're currently using the output window then it might not be working.
Go to settings, in the search bar type 'terminal' and look for' code runner:run in terminal ' make sure to check the box and you should be good to go.
go to settings search for Code-runner: run in terminal
enable it
Go to VSCode settings and search for 'terminal', then scroll to find 'Code-runner: run in terminal' and enable it.
Check your IntelliSense settings, set the compiler path and IntelliSense mode to g++ and gccx-64 (if you are using C and C++ in windows). Reinstall the extension and create a new file of .c or .cpp and then try again.
After that make sure you run your output through terminal, which you can set as follows- Go to settings>extensions>C/C++>Run code configuration>Scroll down and then check the box which says run in terminal.
Related
#include <stdio.h>
int main()
{
int a,b;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
printf("The sum of a and b is %d", a + b);
return 0;
}
When i run this code in Microsoft Visual Code the code doesn't stop executing nor do i get the output. It starts running but it does not stop. I am also not getting any output. Other type of code is working perfectly fine.
Anyone can help me with this?
click here for image from vscode showing the running window
The code you have written is 100% correct.
Take care of the following things, check it out, if you have done them:
Install gcc in your system. gcc helps u compile c or c++ codes.
Install a C/C++ extension from the extensions section in the visual studio code.
At last, if the situation is still the same, try to re-install the visual studio code.
I hope, this might helps you. If you liked my suggestion, please press the upvoke button to motivate me to write such answers for you.
Thanks!
if this thing happens again first again try to execute the same code with some other IDE or run your code separately with CMD or PowerShell.
Code runner extension runs code in the output file which can not be interacted with. You have to change it so it runs in the terminal.
Go to the menu Code > Preferences > Settings.
In the User tab on the left panel, expand the Extensions section.
Find and select Run Code Configuration.
Find and check the box Run in Terminal.
I had exact same problem and it turns out I forgot to save the code:)
The main reason why code is not running is because it is running in "Output" Window, which I had shown in the linked Image.
If you want to run code properly then you have to run it in "Terminal" Window.
For running your code in "Terminal" window you have to follow these steps:
Step 1: Open Settings.
Step 2: Then type "Run in Terminal" in search box of the setting. Scroll below and find that setting.Install code runner if you haven't.
Step 3: Tick the box which is in 2nd line.
After that your code will run properly.
I use Netbeans for writing C.
My problem is: I cannot see the output of my code. I mean I can see the result but not the process itself.
For example:
#include <stdio.h>
int main(){
int n;
printf("please enter a number:\n");
scanf("%d",&n);
printf("your number's square is: %d", (n*n));
return 0;
}
When I run this code. Netbeans opens two windows.
one for "build, run" and one for "run". It allows me to write in the "run" window.
but I cannot see the text "please enter a number" or what I am writing. I only see a blank page but when I write a number then hit enter "twice". It shows all outputs in the same window at once. Like this:
please enter a number:
your number's square is: 25
RUN SUCCESSFUL (total time: 2s)
How can I see what I am writing?
I can reproduce your problem. This is a known issue with NetBeans 8.2, but I also see the same problem with NetBeans 11.2.
See these NetBeans Bug Reports:
Bug 165437 - Standard output in Output window is not flushed after '\n'
Bug 269406 - printf() doesnt output to console until scanf() end
Currently there is no fix for the issue, but there is a simple workaround:
Select your C project in the Projects panel.
Right click and select Properties from the context menu.
Select Run from the list of Categories.
Change Console Type from Internal Terminal to External Terminal.
Change External Terminal Type from Default to Command Window.
Click OK.
When you run your project the console will now open in a separate terminal window outside of NetBeans, and your code will work as expected:
I am learning C. I am using Ubuntu as main OS but I also have Windows 7 for testing in another partition. I have made a program in C in both OSes using Code Blocks. When I double click the compiled file of program in windows it runs, but when I do the same in Ubuntu it does not run. I have also created .desktop file for it, but even then it doesn't run. But using the command.someone told me code GUI in.so how can i code GUI in it? also why it runs on windows?
./addition
makes it run in terminal. But I want to run it using GUI. I am clicking on its icon but its not opening.Do i need to code GUI for it?
source code is
#include <stdio.h>
int main(){
int a,s,d;
printf("type the values u want to add and give tab between them\n");
scanf("%d %d",&a,&s);
d=a+s;
printf("addition is %d",d);
system("read -p 'Press Enter to EXIT...' var");
return 0;
}
in linux if you run a shell program from the desktop, it does not have a std input or output attached. For this reason you cannot see anything about it.
A quick solution would be to open a terminal and run it from there.
Two easy options if you don't know how to run the program from terminal:
A) Drag the icon of the program into the terminal, it will automatically build the full path to run it
B) Move to the program's home folder and run it from there "./programName"
I hope this helps mate.
Currently I am developing a couple of C programs on my mac using Xcode. There however is 1 problem. My study requires me to use some sort of input field through the coding. So for instance if the users wants to run the program 10 times or wants the program to create 10 answers. I am using "atoi(argv[1])" just to get the input from the user.
This is exactly the problem. As soon as I run the program it just starts to bug, which is normal I quess because he is waiting for the input and not receiving it or something else. Anyways I tried to solve this problem with this link: How to run command-line application from the terminal?
This unfortunately didnt solve it either. I have already tried to re-install xcode, because just entering gcc in my terminal doesnt work either, but everytime the app store auto instals it for me.
Does anyone has a fix for my problem. I would greatly appreciate it due to the fact that next friday I have another deadline :( and I wont be getting a sufficient grade if my user input is not working.
Your help is again much appreciated!
Greetings,
Kipt Scriddy
EDIT: To clarify the problem. When running the script I want it to pop up in Terminal and wether there is an input field reguired it should ask for input. At the moment he is crashing immediatly due to the lack of input. He is not waiting for the argument to be passed from the users. He is skipping that part
HOWTO Pass command line arguments to your program from Xcode IDE
Open your project's active Scheme. Easiest way to do this is from the main menu. Select Product/Scheme/Edit Scheme...
In the schema editor, you'll see several build targets on the left side; the one you want is the "Run YourProjectName" target. Select it.
On the right side you'll see four sub-tabs, including Info, Arguments, Options, and Diagnostics. Select Arguments
Add/Remove any arguments you need. In your case, add /phi as the first argument, then 10 as the second.
Noteworthy: This is also where you can specify the current working directory of your program at launch rather than the long, temp path Xcode uses when building your binaries. To do so:
Perform steps 1-2 from above.
Select the Options sub-tab
Click the "Use custom working directory" checkbox.
Specify the full path where you want Xcode to execute your program from.
That in combination with getting your parameter handling fixed in your program should get you up and running.
Sounds to me like you want to get your arguments from the command line and if they are missing, prompt the user for them
Lets assume you want the arguments: number word number
#include <stdio.h>
#include <string.h>
int number1;
char word[128];
int number2;
int main(int argc, const char **argv)
{
if (argc == 4)
{
number1 = atoi(argv[1]);
strcpy(word, argv[2]);
number2 = atoi(argv[3]);
}
else
{
do
printf("Enter number word number: ");
while (scanf("%d %s %d", &number1, word, &number2) != 3);
}
printf("I got %d '%s' %d\n", number1, word, number2);
return 0;
}
Which gives:
$ ./test
Enter number word number: 1 andy 12
I got 1 'andy' 12
$ ./test 2 pandy 56
I got 2 'pandy' 56
Note that the error-checking is poor in this example and can be improved alot (not using atoi() is one way to start).
It sounds like you need to check argc in the program as RageD points out, otherwise when launching the program with insufficient arguments will cause problems.
gcc is the c compiler - it produces an executable. When you hit 'Run' in Xcode it compiles your program and then runs the executable file created. The executable created is named the same as your Xcode project name.
To run the program you built in Xcode from the command line:
In Xcode's project navigator find the executable in the 'Products' folder
Drag the executable file into Terminal (You will get an absolute url to the executable)
add any arguments you need to run your program
Hit enter!
The result will look something similar to the snippet below (for my 'MyCommandLineApp' project):
$ /Users/pliskin/Library/Developer/Xcode/DerivedData/MyCommandLineApp-hbpuxhguakaagvdlpdmqczucadim/Build/Products/Debug/MyCommandLineApp argument1 argument2
I'm looking to follow along with The C Programming Language (Second Addition) on a machine running Vista.
So far, I've found Dev-C++ the easiest IDE to do this in. However, I still have one problem. Whenever I run my compiled code, for example: a simple hello world program, it runs, but the console window just flickers on the screen, and I can't see the output.
How can I see an the output of my C programs using Dev-C++? I found a C++ specific solution, System("pause"), and a really ugly C solution, while looping fflush(stdout), but nothing nice and pretty.
I put a getchar() at the end of my programs as a simple "pause-method". Depending on your particular details, investigate getchar, getch, or getc
In Windows when a process terminates, the OS closes the associated window. This happens with all programs (and is generally desirable behaviour), but people never cease to be surprised when it happens to the ones they write themselves.
I am being slightly harsh perhaps; many IDE's execute the user's process in a shell as a child process, so that it does not own the window so it won't close when the process terminates. Although this would be trivial, Dev-C++ does not do that.
Be aware that when Dev-C++ was popular, this question appeard at least twice a day on Dev-C++'s own forum on Sourceforge. For that reason the forum has a "Read First" thread that provides a suggested solution amongst solutions to many other common problems. You should read it here.
Note that Dev-C++ is somewhat old and no longer actively maintained. It suffers most significantly from an almost unusable and very limited debugger integration. Traffic on the Dev-C++ forum has been dropping off since the release of VC++ 2005 Express, and is now down to a two or three posts a week rather than the 10 or so a day it had in 2005. All this suggest that you should consider an alternative tool IMO.
Use #include conio.h
Then add getch(); before return 0;
The easiest thing to do is to run your program directly instead of through the IDE. Open a command prompt (Start->Run->Cmd.exe->Enter), cd to the folder where your project is, and run the program from there. That way, when the program exits, the prompt window sticks around and you can read all of the output.
Alternatively, you can also re-direct standard output to a file, but that's probably not what you are going for here.
For Dev-C++, the bits you need to add are:-
At the Beginning
#include <stdlib.h>
And at the point you want it to stop - i.e. before at the end of the program, but before the final }
system("PAUSE");
It will then ask you to "Press any key to continue..."
Add this to your header file #include
and then in the end add this line : getch();
You can open a command prompt (Start -> Run -> cmd, use the cd command to change directories) and call your program from there, or add a getchar() call at the end of the program, which will wait until you press Enter. In Windows, you can also use system("pause"), which will display a "Press enter to continue..." (or something like that) message.
Add a line getchar(); or system("pause"); before your return 0; in main function.
It will work for you.
;
It works...
#include <iostream>
using namespace std;
int main ()
{
int x,y; // (Or whatever variable you want you can)
your required process syntax type here then;
cout << result
(or your required output result statement); use without space in getchar and other syntax.
getchar();
}
Now you can save your file with .cpp extension and use ctrl + f 9 to compile and then use ctrl + f 10 to execute the program.
It will show you the output window and it will not vanish with a second Until you click enter to close the output window.
i think you should link your project in console mode
just press Ctrl+h and in General tab select console.
When a program is not showing or displaying an output on the screen, using system("pause"); is the solution to it on a Windows profile.
The use of line system("PAUSE") will fix that problem and also include the pre processor directory #include<stdlib.h>.
Well when you are writing a c program and want the output log to stay instead of flickering away you only need to import the stdlib.h header file and type "system("PAUSE");" at the place you want the output screen to halt.Look at the example here.The following simple c program prints the product of 5 and 6 i.e 30 to the output window and halts the output window.
#include <stdio.h>
#include <stdlib.h>
int main()
{
int a,b,c;
a=5;b=6;
c=a*b;
printf("%d",c);
system("PAUSE");
return 0;
}
Hope this helped.