What is a quine in computing ?
Quine is a self replicating computer program i.e it outputs it’s own source as output.
Below are a few examples of quine programs:-
Python
s='s=%r;print(s%%s)';print(s%s)
Javascript
(function a(){console.log('('+a+')()')})()
C/C++
#include <stdio.h>
int main(){
char*s="#include <stdio.h>%cint main(){%cchar*s=%c%s%c;%cprintf(s,10,10,34,s,34,10);return 0;}";
printf(s,10,10,34,s,34,10);return 0;}
Java
class Q{public static void main(String[]a){String s="class Q{public static void main(String[]a){String s=%c%s%c;System.out.printf(s,34,s,34);}}";System.out.printf(s,34,s,34);}}
The above codes can be tried on our online IDE at Golibrary IDE
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