Initial commit

Easy/ransom-note/solution.cpp

@@ -0,0 +1,21 @@
+#include <string>
+#include <unordered_map>
+
+class Solution {
+  public:
+    bool canConstruct(std::string ransomNote, std::string magazine) {
+        std::unordered_map<char, int> hmap[2];
+
+        for (int i = 0; i < magazine.size(); ++i) {
+            ++hmap[0][magazine[i]];
+        }
+
+        for (int i = 0; i < ransomNote.size(); ++i) {
+            if (hmap[0][ransomNote[i]] < ++hmap[1][ransomNote[i]]) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+};