From 5398219d92bdee9ab1c8e94fcb930b81acf68d59 Mon Sep 17 00:00:00 2001
From: isinsuarici <isinsuu98@hotmail.com>
Date: Fri, 17 Mar 2023 06:15:16 +0300
Subject: [PATCH] Q303 added.

---
 E_303_RangeSumQueryImmutable.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 E_303_RangeSumQueryImmutable.java

diff --git a/E_303_RangeSumQueryImmutable.java b/E_303_RangeSumQueryImmutable.java
new file mode 100644
index 0000000..e4f94ec
--- /dev/null
+++ b/E_303_RangeSumQueryImmutable.java
@@ -0,0 +1,13 @@
+class NumArray {
+    int[] arr;
+    public NumArray(int[] nums) {
+        this.arr=new int[nums.length+1];
+        for(int i=1;i<arr.length;i++){
+            arr[i]=arr[i-1]+nums[i-1];
+        }
+    }
+    
+    public int sumRange(int left, int right) {
+            return arr[right+1]-arr[left];
+    }
+}
\ No newline at end of file