cpp: add “455. Assign Cookies”

Signed-off-by: Matej Focko <me@mfocko.xyz>

cpp/assign-cookies.cpp

@@ -0,0 +1,21 @@
+#include <algorithm>
+#include <vector>
+
+class Solution {
+public:
+    int findContentChildren(std::vector<int> g, std::vector<int> s) {
+        std::sort(g.begin(), g.end());
+        std::sort(s.begin(), s.end());
+
+        int content = 0;
+        for (int i = 0, j = 0; i < g.size() && j < s.size(); ++j) {
+            if (g[i] <= s[j]) {
+                ++i;
+                ++content;
+            }
+        }
+
+        return content;
+    }
+};
+