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Update Assignment 2.1 @rahulpawar08 #88

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125 changes: 118 additions & 7 deletions Tavisca.Bootcamp.LanguageBasics.Exercise1/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,16 +14,127 @@ static void Main(string[] args)
Console.ReadKey(true);
}

private static void Test(string args, int expected)
{
private static void Test(string args, int expected)
{
var result = FindDigit(args).Equals(expected) ? "PASS" : "FAIL";
Console.WriteLine($"{args} : {result}");
Console.WriteLine($"{args} : {result}");
}

public static int FindDigit(string equation)
{
// Add your code here.
throw new NotImplementedException();
public static int FindDigit(string equation)
{
String[] data1=equation.Split('*');
String[] data2=data1[1].Split('=');
string a = data1[0];
string b = data2[0];
string c = data2[1];
if(containsQM(c))
{
double integerA=Double.Parse(a);
double integerB=Double.Parse(b);
double x = integerA * integerB;
if (!checkValidity(x)) return -1;
else
{
int integerC = Convert.ToInt32(x);
string calculatedC = integerC.ToString();
int i = getQmIndex(c);
if (checkForLeadingZero(c, calculatedC)) return -1;
else
{
for(int j=0;j<calculatedC.Length;j++)
{
if(c[j]!='?')
{
if (c[j] != calculatedC[j])
return -1;
}
}
return (calculatedC[i] - '0'); }
}
}
else if(containsQM(a))
{
double integerB = Double.Parse(b);
double integerC = Double.Parse(c);
double x = integerC / integerB;
if (!checkValidity(x)) return -1;
else
{
int integerA = Convert.ToInt32(x);
string calculatedA = integerA.ToString();
int i = getQmIndex(a);
if (checkForLeadingZero(a, calculatedA)) return -1;
else
{
for (int j = 0; j < calculatedA.Length; j++)
{
if (a[j] != '?')
{
if (a[j] != calculatedA[j])
return -1;
}
}
return (calculatedA[i] - '0');
}
}
}
else
{
double integerA = Double.Parse(a);
double integerC = Double.Parse(c);
double x = integerC / integerA;
if (!checkValidity(x)) return -1;
else
{
int integerB = Convert.ToInt32(x);
string calculatedB = integerB.ToString();
int i = getQmIndex(b);
if (checkForLeadingZero(b, calculatedB)) return -1;
else
{
for (int j = 0; j < calculatedB.Length; j++)
{
if (b[j] != '?')
{
if (b[j] != calculatedB[j])
return -1;
}
}
return (calculatedB[i] - '0');
}
}
}

throw new NotImplementedException();
}
static bool checkValidity(double x)
{
if (((x - (Convert.ToInt32(x))) == 0))
return true;
else
return false;
}
static bool checkForLeadingZero(string givenStr,string calculatedStr)
{
if (givenStr.Length > calculatedStr.Length) return true;
else return false;
}
static int getQmIndex(string s)
{
int i = 0;
for (i = 0; i < s.Length; i++)
{
if (s[i] == '?') break;
}
return i;
}
static bool containsQM(string s)
{
foreach(Char c in s)
{
if (c == '?') return true;
}
return false;
}
}
}