fork download

copy

]#include <iostream>
using namespace std;
long int funcn(long int);
int main()
{
	int t;
	scnaf("%d", &t);
	while (t > 0)
	{
		long int n;
		scanf("%ld", &n);
		long int ans = funcn(n);
		while (ans % 10 > 0)
			ans = funcn(ans);
		printf("%ld \n", ans);
		t --;
	}
	return 0;
}
long int funcn(long int n)
{
	long int sum = 0;
	int digit;
	while (n > 0)
	{
		digit = n % 10;
		sum += digit;
		n /= 10;
	}
	return sum;
}

prog.cpp:1:2: error: stray '#' in program
 ]#include <iostream>
  ^
prog.cpp:1:1: error: expected unqualified-id before ']' token
 ]#include <iostream>
 ^
prog.cpp: In function 'int main()':
prog.cpp:7:16: error: 'scnaf' was not declared in this scope
  scnaf("%d", &t);
                ^
prog.cpp:11:18: error: 'scanf' was not declared in this scope
   scanf("%ld", &n);
                  ^
prog.cpp:15:23: error: 'printf' was not declared in this scope
   printf("%ld \n", ans);
                       ^

Standard output is empty