add two sum iii

Author: tg123

_includes/_root/two-sum-iii-data-structure-design/README.md

@@ -0,0 +1,32 @@
+public class TwoSum {
+
+  Map<Integer, Integer> nums = new HashMap<Integer, Integer>();
+
+  public void add(int number) {
+    Integer c = nums.get(number);
+    if(c == null) c = 0;
+    c++;
+
+    nums.put(number, c);
+  }
+
+  public boolean find(int value) {
+
+    for(Integer n : nums.keySet()){
+      Integer c = nums.get(value - n);
+
+      if(c == null) continue;
+
+      if(value - n == n){
+        if(c > 1){
+          return true;
+        }
+      }else{
+        return true;
+      }
+    }
+
+
+    return false;
+  }
+}

_includes/_root/two-sum-iii-data-structure-design/Solution.java

@@ -1,7 +1,7 @@
 ---
 layout: solution
 title: Two Sum III - Data structure design
-date: 2014-12-26 18:07:43+08:00
+date: 2014-12-26 18:08:59 +0800
 ---
 {% assign leetcode_name = {{page.path | remove: '/index.md'}}  %}
 {% assign leetcode_readme = {{leetcode_name | append: '/README.md' | prepend: '_root/' }}  %}