CareerCup

Shudnt it be:

int sum(int n)
{
return (0==n)?0:(n%10 + sum(n/10));
}

int sumDigit(int x)
{
int ret = 0;

}

int sum(int d) {
if(d==0) return;
sum(d/10);
z=z+d%10;
return z;
}

int sum = 0;
while (num != 0)
{
sum += num%10;
num = ceil(num%10)
}

int sum = 0;
while (num)
{
sum += num%10;
num = floor(num/10);
}

while(n>1)
{
digit+=n%10;
n=n/10;
}
cout<<digit;

static void Main()
{
int num;
num=999;

Console.WriteLine(sum1(num));


}
public static int sum1(int num)
{
int sum=0;
int i=0;
for(i=0; num>=0;i=num)
{
sum=sum+num%10;
num=num/10;
i=num;
if(num==0)
{
return sum;

}
}
Console.WriteLine("num"+num);
return sum;
}

int sum(int n)
{
return (0==n)?0:(n/10 + sum(n%10));
}