// class contains all mathematical operation-related functions
public static string getFinalAns(List <string> input)
{
// loop through final formatted list
// pass numbers and operator into calculate function
List <string> formattedList = ProcessInput.formatInput(input);
for (int i = 0; i < formattedList.Count; i++)
{
if (CheckInput.timesDivOrMod(formattedList[i]))
{
formattedList = calculate(formattedList, i);
--i;
}
}
for (int i = 0; i < formattedList.Count; i++)
{
if (CheckInput.plusOrMinus(formattedList[i]))
{
formattedList = calculate(formattedList, i);
--i;
}
}
return("" + long.Parse(formattedList[0]));
}
public static bool divZero(List <string> inputList)
{
// check whether there is a "division by 0" expression in input
List <string> formattedList = ProcessInput.formatInput(inputList);
for (int i = 0; i < formattedList.Count; i++)
{
if ((formattedList[i].Equals("/") || formattedList[i].Equals("%")) &&
int.Parse(formattedList[i + 1]) == 0)
{
return(true);
}
}
return(false);
}