first commit

Mergesort/src/Mergesort.java

@@ -20,6 +20,7 @@ public class Mergesort {
         int i, j;
         for (i = l; i <= q; i++) {
             arr[i] = intArr[i];
+            // seas
         }
         for (j = q + 1; j <= r; j++) {
             arr[r + q + 1 - j] = intArr[j];