fork download

#include<iostream>
 
using namespace std;
 
void aa(int n, int& sum){
 
	if(n == 0){
	cout << n << "!= " << sum << endl;
 
 
	}
 
	else{
    aa(n-1, sum);  
	sum = sum*n ;  
	cout << n << "!= " << sum << endl;
        }
 
}
 
int main(){
	int a =6 ;
    int sum = 1;     
	aa(a, sum);
        return 0;
 
}

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
void aa(int n, int& sum){
^
Main.java:11: error: class, interface, or enum expected
	}
	^
Main.java:15: error: class, interface, or enum expected
	sum = sum*n ;  
	^
Main.java:16: error: class, interface, or enum expected
	cout << n << "!= " << sum << endl;
	^
Main.java:17: error: class, interface, or enum expected
        }
        ^
Main.java:23: error: class, interface, or enum expected
    int sum = 1;     
    ^
Main.java:24: error: class, interface, or enum expected
	aa(a, sum);
	^
Main.java:25: error: class, interface, or enum expected
        return 0;
        ^
Main.java:27: error: class, interface, or enum expected
}
^
11 errors

Standard output is empty