Create check-if-the-sentence-is-pangram.cpp

Author: kamyu104

C++/check-if-the-sentence-is-pangram.cpp

@@ -0,0 +1,9 @@
+// Time:  O(n)
+// Space: O(26) = O(1)
+
+class Solution {
+public:
+    bool checkIfPangram(string sentence) {
+        return size(unordered_set<int>(cbegin(sentence), cend(sentence))) == 26;
+    }
+};