#include <iostream>
using namespace std;
int roundUp(int numToRound, int multiple)
{
if(multiple == 0)
{
return numToRound;
}
int remainder = numToRound % multiple;
if (remainder == 0)
return numToRound;
return numToRound + multiple - remainder;
}
int main() {
cout << roundUp(30, 30) << endl;
return 0;
}
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