diff --git a/src/main/java/g3401_3500/s3407_substring_matching_pattern/Solution.java b/src/main/java/g3401_3500/s3407_substring_matching_pattern/Solution.java
index f0eaa776c..acd8024e6 100644
--- a/src/main/java/g3401_3500/s3407_substring_matching_pattern/Solution.java
+++ b/src/main/java/g3401_3500/s3407_substring_matching_pattern/Solution.java
@@ -27,7 +27,9 @@ private int fun(String s, String k) {
             for (j = 0; j < m; j++) {
                 char ch1 = s.charAt(j + i);
                 char ch2 = k.charAt(j);
-                if (ch1 != ch2) break;
+                if (ch1 != ch2) {
+                    break;
+                }
             }
             if (j == m) {
                 return i + j;
diff --git a/src/main/java/g3401_3500/s3413_maximum_coins_from_k_consecutive_bags/Solution.java b/src/main/java/g3401_3500/s3413_maximum_coins_from_k_consecutive_bags/Solution.java
index 6d3fbfa85..56f0dc02b 100644
--- a/src/main/java/g3401_3500/s3413_maximum_coins_from_k_consecutive_bags/Solution.java
+++ b/src/main/java/g3401_3500/s3413_maximum_coins_from_k_consecutive_bags/Solution.java
@@ -9,26 +9,27 @@ public class Solution {
     public long maximumCoins(int[][] coins, int k) {
         Arrays.sort(coins, (a, b) -> a[0] - b[0]);
         int n = coins.length;
-        long res = 0, cur = 0;
+        long res = 0;
+        long cur = 0;
         for (int i = 0, j = 0; i < n; ++i) {
             while (j < n && coins[j][1] <= coins[i][0] + k - 1) {
-                cur += 1L * (coins[j][1] - coins[j][0] + 1) * coins[j][2];
+                cur += (long) (coins[j][1] - coins[j][0] + 1) * coins[j][2];
                 j++;
             }
             if (j < n) {
-                long part = 1L * Math.max(0, coins[i][0] + k - 1 - coins[j][0] + 1) * coins[j][2];
+                long part = (long) Math.max(0, coins[i][0] + k - 1 - coins[j][0] + 1) * coins[j][2];
                 res = Math.max(res, cur + part);
             }
-            cur -= 1L * (coins[i][1] - coins[i][0] + 1) * coins[i][2];
+            cur -= (long) (coins[i][1] - coins[i][0] + 1) * coins[i][2];
         }
         cur = 0;
         for (int i = 0, j = 0; i < n; ++i) {
-            cur += 1L * (coins[i][1] - coins[i][0] + 1) * coins[i][2];
+            cur += (long) (coins[i][1] - coins[i][0] + 1) * coins[i][2];
             while (coins[j][1] < coins[i][1] - k + 1) {
-                cur -= 1L * (coins[j][1] - coins[j][0] + 1) * coins[j][2];
+                cur -= (long) (coins[j][1] - coins[j][0] + 1) * coins[j][2];
                 j++;
             }
-            long part = 1L * Math.max(0, coins[i][1] - k - coins[j][0] + 1) * coins[j][2];
+            long part = (long) Math.max(0, coins[i][1] - k - coins[j][0] + 1) * coins[j][2];
             res = Math.max(res, cur - part);
         }
         return res;
diff --git a/src/main/java/g3401_3500/s3414_maximum_score_of_non_overlapping_intervals/Solution.java b/src/main/java/g3401_3500/s3414_maximum_score_of_non_overlapping_intervals/Solution.java
index 6f1db3f96..bd28cda39 100644
--- a/src/main/java/g3401_3500/s3414_maximum_score_of_non_overlapping_intervals/Solution.java
+++ b/src/main/java/g3401_3500/s3414_maximum_score_of_non_overlapping_intervals/Solution.java
@@ -23,8 +23,11 @@ public int[] maximumWeight(List<List<Integer>> intervals) {
             int l = 0, r = i - 1;
             while (l <= r) {
                 int m = (l + r) >>> 1;
-                if (arr[m][1] < arr[i][0]) l = m + 1;
-                else r = m - 1;
+                if (arr[m][1] < arr[i][0]) {
+                    l = m + 1;
+                } else {
+                    r = m - 1;
+                }
             }
             p[i] = r;
         }
@@ -43,9 +46,13 @@ class S {
         S[][] dp = new S[n][5];
         Comparator<S> cmp =
                 (a, b) -> {
-                    if (a.sum != b.sum) return a.sum > b.sum ? -1 : 1;
+                    if (a.sum != b.sum) {
+                        return a.sum > b.sum ? -1 : 1;
+                    }
                     for (int i = 0; i < Math.min(a.x.length, b.x.length); i++) {
-                        if (a.x[i] != b.x[i]) return a.x[i] < b.x[i] ? -1 : 1;
+                        if (a.x[i] != b.x[i]) {
+                            return a.x[i] < b.x[i] ? -1 : 1;
+                        }
                     }
                     return Integer.compare(a.x.length, b.x.length);
                 };
@@ -68,8 +75,11 @@ class S {
         S ans = base;
         for (int k = 1; k <= 4; k++) {
             S candidate = dp[n - 1][k];
-            if (ans.sum < candidate.sum) ans = candidate;
-            else if (ans.sum == candidate.sum && cmp.compare(ans, candidate) > 0) ans = candidate;
+            if (ans.sum < candidate.sum) {
+                ans = candidate;
+            } else if (ans.sum == candidate.sum && cmp.compare(ans, candidate) > 0) {
+                ans = candidate;
+            }
         }
         Arrays.sort(ans.x);
         return ans.x;