added solution for dimik-count-numbers

dimik-count-numbers/en.md

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+# Counting Numbers
+
+**Tutorial**
+As the question states, there are multiple numbers given in each **Testcase**. We have to count how many numbers are there.
+
+A simple approach to solving this can be taking each line as a string **S** and counting the number of  whitespaces that has a non-whitespace character **before or after**  it. 
+
+Suppose length of **S** is **n**.  We count number of index **i** such that  **0<i<n** and **S<sub>i-1</sub>**  is whitespace  and **S<sub>i</sub>** is not a whitespace.
+Lastly, if the **S** starts with a non-whitespace character, we increment the count by 1.
+We can repeat this process for each line.
+
+**Solution in C++**
+```
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main(){ 
+    int t;
+    cin >> t; // Input the number of testcases
+
+    while(t--){
+      cin >> ws; // To clear The buffer
+      string s;
+      getline(cin,s); // Input each line as a string
+
+      int counter = 0; // initially we set the counter to zero
+
+      for(int i = 1;i < s.size();i++){
+        if(s[i-1] == ' ' && s[i] != ' ') counter++;
+      }
+      if(s[0] != ' ') counter++;
+
+      cout << counter << endl; // output
+    }
+}
+```