One test case not accepting

#1

#include
#include
using namespace std;

int convert0To5(int num)
{
int i=0;
long long int ans=0;

if (num == 0)
	return 5;

else {

	while (num != 0) {
		int digit = num % 10;
		
		if (digit == 0)
		 {
			 ans+= 5*pow(10,i);
		 }

		 else
		  {
			  ans+=digit*pow(10,i);
		  }
		i++;  			
		num = num / 10;
	}
  return ans;	
}

}

int main()
{
long long int num;
cin>>num;
cout << convert0To5(num);
return 0;
}

#2

Return type and parameter type should also be long long int

#3

thank you, i missed on writing long long int convert0To5(long long int num)

#4

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