diff --git a/src/hackerrank/interview_preparation_kit/dynamic_programming/max_array_sum.js b/src/hackerrank/interview_preparation_kit/dynamic_programming/max_array_sum.js
index b40ec95d..da1e680c 100644
--- a/src/hackerrank/interview_preparation_kit/dynamic_programming/max_array_sum.js
+++ b/src/hackerrank/interview_preparation_kit/dynamic_programming/max_array_sum.js
@@ -4,7 +4,11 @@
  */
 
 const bigIntMax = (...args) =>
-  args.reduce((m, e) => (e > m ? e : m), BigInt(0));
+  args.reduce((m, e) => {
+    const _e = BigInt(e);
+    const _m = BigInt(m);
+    return _e > _m ? _e : _m;
+  }, BigInt(0));
 
 function maxSubsetSum(arr) {
   const arrCopy = arr.map(BigInt);
diff --git a/src/hackerrank/warmup/plusMinus.js b/src/hackerrank/warmup/plusMinus.js
index 6a19869a..b264af04 100644
--- a/src/hackerrank/warmup/plusMinus.js
+++ b/src/hackerrank/warmup/plusMinus.js
@@ -17,11 +17,11 @@ function plusMinus(arr) {
     }
   }
 
-  const result = [];
-
-  result.push((positives / arr.length).toFixed(6));
-  result.push((negatives / arr.length).toFixed(6));
-  result.push((zeros / arr.length).toFixed(6));
+  const result = [
+    (positives / arr.length).toFixed(6),
+    (negatives / arr.length).toFixed(6),
+    (zeros / arr.length).toFixed(6)
+  ];
 
   return result.join(`\n`);
 }