[LEET-848] update 828

Author: fishercoder1534

Diff for: src/main/java/com/fishercoder/solutions/firstthousand/_848.java

@@ -3,8 +3,7 @@
 public class _848 {
     public static class Solution1 {
         public String shiftingLetters(String s, int[] shifts) {
-            long[] preSums =
-                    new long[shifts.length]; // use long type to avoid integer addition overflow
+            long[] preSums = new long[shifts.length]; // use long type to avoid integer addition overflow
             for (int i = shifts.length - 1; i >= 0; i--) {
                 if (i < shifts.length - 1) {
                     preSums[i] = preSums[i + 1] + shifts[i];

Diff for: src/main/java/com/fishercoder/solutions/fourththousand/_3304.java

@@ -0,0 +1,2 @@
+package com.fishercoder.solutions.fourththousand;public class _3304 {
+}

Diff for: src/test/java/com/fishercoder/fourththousand/_3304Test.java

@@ -0,0 +1,21 @@
+package com.fishercoder.fourththousand;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import com.fishercoder.solutions.fourththousand._3185;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class _3185Test {
+    private _3185.Solution1 solution1;
+
+    @BeforeEach
+    public void setup() {
+        solution1 = new _3185.Solution1();
+    }
+
+    @Test
+    public void test1() {
+        assertEquals(2, solution1.countCompleteDayPairs(new int[] {12, 12, 30, 24, 24}));
+    }
+}