updated readme

2017-04-30 18:30:26 -07:00
parent 9b6ef0f13b
commit 7145449310
57 changed files with 287 additions and 268 deletions
@@ -0,0 +1,32 @@
+//     Author: Rodney Shaghoulian
+//     Github: github.com/rshaghoulian
+// HackerRank: hackerrank.com/rshaghoulian
+
+import java.util.Scanner;
+
+/* O(N^2) runtime. O(1) space */
+public class Solution {
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        int N = scan.nextInt();
+        
+        int primaryDiagonal   = 0;
+        int secondaryDiagonal = 0;
+        
+        for (int row = 0; row < N; row++) {
+            for (int col = 0; col < N; col++) {
+                int value = scan.nextInt();
+                if (row == col) {
+                    primaryDiagonal += value;
+                } 
+                if (row + col == N - 1) {
+                    secondaryDiagonal += value;
+                }
+            }
+        }
+        scan.close();
+        
+        int absoluteDifference = Math.abs(primaryDiagonal - secondaryDiagonal);
+        System.out.println(absoluteDifference);
+    }
+}