fix build

fishercoder1534 · fishercoder1534 · commit f8dd8262bf68 · 2020-02-16T13:22:34.000-08:00
diff --git a/src/main/java/com/fishercoder/solutions/_278.java b/src/main/java/com/fishercoder/solutions/_278.java
@@ -27,7 +27,7 @@ public int firstBadVersion(int n) {
 			int left = 1;
 			int right = n;
 			while (left < right) {
-				int mid = left + (right - left)/2;
+				int mid = left + (right - left) / 2;
 				if (isBadVersion(mid)) {
 					right = mid;
 				} else {
