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#include<iostream>
 
using namespace std;
 
int aa(int i){
 
	if(i==0){
	return 1 ; 
	}
	else{
	return (i*aa(i-1)) ; 
}
 
}
 
int main(){
	int a = 5 ;
	for(int c = 0; c <= a; c++){
	cout << c << "!=" << aa(c) <<  endl ;
	}
 
}

Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:1: error: class, interface, or enum expected
#include<iostream>
        ^
Main.java:5: error: class, interface, or enum expected
int aa(int i){
^
Main.java:9: error: class, interface, or enum expected
	}
	^
Main.java:12: error: class, interface, or enum expected
}
^
Main.java:18: error: class, interface, or enum expected
	for(int c = 0; c <= a; c++){
	^
Main.java:18: error: class, interface, or enum expected
	for(int c = 0; c <= a; c++){
	               ^
Main.java:18: error: class, interface, or enum expected
	for(int c = 0; c <= a; c++){
	                       ^
Main.java:20: error: class, interface, or enum expected
	}
	^
9 errors

Standard output is empty