Add codility exercise-1

jbee37142 · jbee37142 · commit 4c9fc918314d · 2017-06-02T14:11:54.000+09:00
diff --git a/src/test/java/codility/SearchEquilibrium.java b/src/test/java/codility/SearchEquilibrium.java
@@ -25,7 +25,7 @@ public void test() {
     public int solution(int[] arr) {
         if (arr == null) return -1;
 
-        int total = 0;
+        double total = 0;
         for (int i = 0; i < arr.length; i++) {
             total += arr[i];
         }
@@ -34,6 +34,10 @@ public int solution(int[] arr) {
             return 0;
         }
 
+        if (total - arr[arr.length - 1] == arr[arr.length - 1]) {
+            return arr.length - 1;
+        }
+
         int left = 0;
         for (int i = 1; i < arr.length; i++) {
             left += arr[i - 1];
