Create day3_solve (#201)

* Create day3_solve

Hamming Distance Problem

* Add files via upload

* Create day4_solve.cpp

Author: shubhendra-20

Day3/day3_solve

@@ -0,0 +1,31 @@
+#include <iostream>
+#include<string>
+using namespace std;
+int hammingDistance(string str1,string str2)
+{
+    int c;
+    c=0;
+    if(str1.size() !=str2.size())
+    {
+        return -1;
+    }
+    else
+    {
+        for(int i=0;i<str1.size();i++)
+        {
+            if(str1[i]!=str2[i])
+            {
+                c++;
+            }
+        }
+    }
+    return c;
+    
+}
+int main() {
+	string str1,str2;
+	cin>>str1;
+	cin>>str2;
+    cout<<"Hamming Distance = "<<hammingDistance(str1,str2);
+	return 0;
+}

day4/C++/day4_solve.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+
+int main()
+{
+	string str1;
+	cin >> str1;
+	int count = 0;
+	for(int i = 0; i < str1.size(); i++)
+	{
+		if(str1[i] == 'a'  || str1[i] == 'e' ||str1[i] == 'i' || str1[i] == 'o' ||str1[i] == 'u') 
+		{
+		count++; 
+		}
+	}
+	cout << "Vowels are:" << count;
+	return 0;
+}

day4/C++/day4_solved.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+
+int main()
+{
+	string str1;
+	cin >> str1;
+	int count = 0;
+	for(int i = 0; i < str1.size(); i++)
+	{
+		if(str1[i] == 'a'  || str1[i] == 'e' ||str1[i] == 'i' || str1[i] == 'o' ||str1[i] == 'u')
+		{
+		count++;
+		}
+	}
+	cout << "Vowels are:" << count;
+	return 0;
+}