Added a problem of panagram in strings

09. String/Panagram_checking.cpp

@@ -0,0 +1,74 @@
+//Pangram Checking 
+//Given a string check if it is Pangram or not. A pangram is a sentence containing every letter in the English Alphabet.
+//Input:
+//S = Bawds jog, flick quartz, vex nymph
+//Output: 1
+//Explantion: In the given input, there
+//are all the letters of the English
+//alphabet. Hence, the output is 1.
+
+
+//Input:
+//S = sdfs
+//Output: 0
+//Explantion: In the given input, there
+//aren't all the letters present in the
+//English alphabet. Hence, the output
+//is 0.
+
+#include<bits/stdc++.h>
+using namespace std;
+
+
+ // } Driver Code Ends
+//User function template for C++
+
+class Solution
+{
+  public:
+    //Function to check if a string is Pangram or not.
+    bool checkPangram (string &str) {
+       vector<bool> ans(26,false);
+
+      int index;
+      for(int i=0;str[i]!='\0';i++)
+      {
+          if(str[i]>='A'&&str[i]<='Z')
+          index= str[i]-'A';
+          else if(str[i]>='a'&&str[i]<='z')
+          index= str[i]-'a';
+          else
+          continue;
+
+        ans[index]=true;
+      }
+      for (int i = 0; i <= 25; i++)
+        if (ans[i] == false)
+            return (false);
+
+      return true;
+    }
+
+};
+
+// { Driver Code Starts.
+
+// Driver Program to test above functions
+int main()
+{
+    int t;
+    cin>>t;
+    cin.ignore(INT_MAX, '\n');
+    while(t--){
+        string str;
+        getline(cin, str);
+        Solution obj;
+        if (obj.checkPangram(str) == true)
+            cout<<1<<endl;
+        else
+            cout<<0<<endl;
+    }
+    return(0);
+}
+
+