Create 13_Distinct_Numbers.cpp

Author: RT0602

C++/13_Distinct_Numbers.cpp

@@ -0,0 +1,47 @@
+#include <bits/stdc++.h>
+#define ll long long
+using namespace std;
+
+int solution()
+{
+
+  int n, count=0; 
+
+  //Taking input for number of elements in the array
+  cin>>n;
+
+  //Declaring an array of size n
+  int a[n];
+
+  //Taking n inputs for n no. of elements of the array
+  for(int i=0; i<n;i++)
+  {
+     cin>>a[i];
+  }
+
+  //Declaring a set which only stores distinct elements
+  unordered_set<int> s;
+
+  //Inserting element inside set only if element is already no present and storing its count
+  for(int i=0; i<n;i++)
+  {
+     if(s.find(a[i])==s.end())
+     {
+        s.insert(a[i]);
+        count++;
+     }
+  }
+
+  //Printing number of distinct elements present
+  cout << count;
+  return 0;
+}
+
+
+int main()
+{
+
+    //Function call   
+    solution();
+    return 0;
+}