diff --git a/exercises/hackerrank/interview_preparation_kit/arrays/2d_array.go b/exercises/hackerrank/interview_preparation_kit/arrays/2d_array.go
index cd6598b..0a81c83 100644
--- a/exercises/hackerrank/interview_preparation_kit/arrays/2d_array.go
+++ b/exercises/hackerrank/interview_preparation_kit/arrays/2d_array.go
@@ -36,7 +36,7 @@ func hourglassSum(arr [][]int32) int32 {
 		for j := int32(matrixStartIndex); j <= int32(matrixEndIndex); j++ {
 			var currentHourglassSum int32 = 0
 			currentHourglass := getHourGlass(arr, i, j)
-			for k := 0; k < len(currentHourglass); k++ {
+			for k := range currentHourglass {
 				currentHourglassSum += currentHourglass[k]
 			}
 
diff --git a/exercises/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation.go b/exercises/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation.go
index 1cb915e..8f36984 100644
--- a/exercises/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation.go
+++ b/exercises/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation.go
@@ -16,9 +16,8 @@ func rotLeftOne(a []int32) []int32 {
 
 func rotLeft(a []int32, d int32) []int32 {
 	x := a[:]
-	var i int32
 
-	for i = 0; i < d; i++ {
+	for range d {
 		x = rotLeftOne(x)
 	}
 	return x
diff --git a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count-triplets-1.go b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count-triplets-1.go
index 91382d2..2ae48c2 100644
--- a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count-triplets-1.go
+++ b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count-triplets-1.go
@@ -7,7 +7,7 @@ package hackerrank
 func countTripletsBruteForce(arr []int64, r int64) int64 {
 	size := len(arr)
 	counter := int64(0)
-	for i := 0; i < size-2; i++ {
+	for i := range size - 2 {
 		for j := i + 1; j < size-1; j++ {
 			for k := j + 1; k < size; k++ {
 				if r*arr[i] == arr[j] && r*arr[j] == arr[k] {
diff --git a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/sherlock-and-anagrams.go b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/sherlock-and-anagrams.go
index bd3b891..7b48920 100644
--- a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/sherlock-and-anagrams.go
+++ b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/sherlock-and-anagrams.go
@@ -27,8 +27,8 @@ func sherlockAndAnagrams(s string) int32 {
 	candidates := make(map[string][]string)
 	size := len(s)
 
-	for i := 0; i < size; i++ {
-		for j := 0; j < size-i; j++ {
+	for i := range size {
+		for j := range size - i {
 			substr := s[i : size-j]
 
 			log.Debug("i: %d, size: %d, size - j: %d | substr: %s",
diff --git a/exercises/hackerrank/warmup/aVeryBigSum.go b/exercises/hackerrank/warmup/aVeryBigSum.go
index affa786..4978402 100644
--- a/exercises/hackerrank/warmup/aVeryBigSum.go
+++ b/exercises/hackerrank/warmup/aVeryBigSum.go
@@ -9,7 +9,7 @@ import "gon.cl/algorithms/utils/log"
 func AVeryBigSum(ar []uint64) uint64 {
 	var result uint64 = 0
 
-	for i := 0; i < len(ar); i++ {
+	for i := range ar {
 		result += ar[i]
 	}
 
diff --git a/exercises/hackerrank/warmup/compareTriplets.go b/exercises/hackerrank/warmup/compareTriplets.go
index 7d0ebb4..1cd4bba 100644
--- a/exercises/hackerrank/warmup/compareTriplets.go
+++ b/exercises/hackerrank/warmup/compareTriplets.go
@@ -18,7 +18,7 @@ func CompareTriplets(a []int, b []int) ([]int, error) {
 
 	var awards = []int{0, 0}
 
-	for i := 0; i < len(a); i++ {
+	for i := range a {
 		if a[i] > b[i] {
 			awards[0] = awards[0] + 1
 		}
diff --git a/exercises/hackerrank/warmup/diagonalDifference.go b/exercises/hackerrank/warmup/diagonalDifference.go
index 7ca4c30..4d6bd88 100644
--- a/exercises/hackerrank/warmup/diagonalDifference.go
+++ b/exercises/hackerrank/warmup/diagonalDifference.go
@@ -15,8 +15,8 @@ func DiagonalDifference(arr [][]int) int {
 	diag2 := 0
 	last := len(arr) - 1
 
-	for i := 0; i < len(arr); i++ {
-		for j := 0; j < len(arr); j++ {
+	for i := range arr {
+		for j := range arr {
 			if i == j {
 				diag1 += arr[i][j]
 				diag2 += arr[last-i][j]
diff --git a/exercises/hackerrank/warmup/miniMaxSum.go b/exercises/hackerrank/warmup/miniMaxSum.go
index 1fcc4c7..2fc0baf 100644
--- a/exercises/hackerrank/warmup/miniMaxSum.go
+++ b/exercises/hackerrank/warmup/miniMaxSum.go
@@ -1,5 +1,5 @@
 /**
- * @link Problem definition [[docs/hackerrank/warmup/miniMaxSum.md]]
+ * @link Problem definition [[docs/hackerrank/warmup/minimumiMaxSum.md]]
  */
 
 package hackerrank
@@ -15,21 +15,21 @@ func MiniMaxSum(arr []int) (string, error) {
 	}
 
 	sum := 0
-	min := arr[0]
-	max := arr[1]
+	minimum := arr[0]
+	maximum := arr[1]
 
-	for i := 0; i < len(arr); i++ {
+	for i := range arr {
 		num := arr[i]
 		sum += num
 
-		if num < min {
-			min = num
+		if num < minimum {
+			minimum = num
 		}
 
-		if num > max {
-			max = num
+		if num > maximum {
+			maximum = num
 		}
 	}
 
-	return fmt.Sprintf("%d %d", sum-max, sum-min), nil
+	return fmt.Sprintf("%d %d", sum-maximum, sum-minimum), nil
 }
diff --git a/exercises/hackerrank/warmup/simpleArraySum.go b/exercises/hackerrank/warmup/simpleArraySum.go
index fefd25b..357ce22 100644
--- a/exercises/hackerrank/warmup/simpleArraySum.go
+++ b/exercises/hackerrank/warmup/simpleArraySum.go
@@ -9,7 +9,7 @@ import "gon.cl/algorithms/utils/log"
 func SimpleArraySum(arr []int) int {
 	acum := 0
 
-	for i := 0; i < len(arr); i++ {
+	for i := range arr {
 		acum += arr[i]
 	}
 
diff --git a/exercises/projecteuler/helpers/divisors.go b/exercises/projecteuler/helpers/divisors.go
index 1ccee91..b3b6d1d 100644
--- a/exercises/projecteuler/helpers/divisors.go
+++ b/exercises/projecteuler/helpers/divisors.go
@@ -2,7 +2,7 @@ package helpers
 
 import (
 	"math"
-	"sort"
+	"slices"
 
 	"gon.cl/algorithms/utils/log"
 )
@@ -53,7 +53,7 @@ func Divisors(target int) []int {
 	log.Debug("collected divisors %x", divs)
 
 	// sort divisors
-	sort.Slice(divs, func(i, j int) bool { return divs[i] < divs[j] })
+	slices.Sort(divs)
 	log.Debug("sorted divisors %x", divs)
 
 	return divs
diff --git a/exercises/projecteuler/helpers/matrix.go b/exercises/projecteuler/helpers/matrix.go
index 995cead..01ee43e 100644
--- a/exercises/projecteuler/helpers/matrix.go
+++ b/exercises/projecteuler/helpers/matrix.go
@@ -3,9 +3,9 @@ package helpers
 func Matrix(m int, n int, init int) [][]int {
 	var matrix [][]int
 
-	for i := 0; i < m; i++ {
+	for range m {
 		row := []int{}
-		for j := 0; j < n; j++ {
+		for range n {
 			row = append(row, init)
 		}
 		matrix = append(matrix, row)
diff --git a/exercises/projecteuler/helpers/sum.go b/exercises/projecteuler/helpers/sum.go
index e0d40f0..96edcb1 100644
--- a/exercises/projecteuler/helpers/sum.go
+++ b/exercises/projecteuler/helpers/sum.go
@@ -4,7 +4,7 @@ func Sum(listOfNums []int) int {
 
 	var sum int
 
-	for i := 0; i < len(listOfNums); i++ {
+	for i := range listOfNums {
 		sum += listOfNums[i]
 	}
 
diff --git a/exercises/projecteuler/problem0001.go b/exercises/projecteuler/problem0001.go
index 8b7d476..58c2d2c 100644
--- a/exercises/projecteuler/problem0001.go
+++ b/exercises/projecteuler/problem0001.go
@@ -11,7 +11,7 @@ import (
 func Problem0001(top int) int {
 	total := 0
 
-	for i := 0; i < top; i++ {
+	for i := range top {
 		if i%3 == 0 || i%5 == 0 {
 
 			total += i
diff --git a/exercises/projecteuler/problem0008.go b/exercises/projecteuler/problem0008.go
index 1efc68d..e15e85c 100644
--- a/exercises/projecteuler/problem0008.go
+++ b/exercises/projecteuler/problem0008.go
@@ -34,7 +34,7 @@ func Problem0008(numberInput string) int {
 	for i := bottom; i <= top-interval; i += 1 {
 		var digitsSet []int
 
-		for j := 0; j < interval; j++ {
+		for j := range interval {
 			digitsSet = append(digitsSet, int(digitsSlice[i+j]))
 		}
 
diff --git a/exercises/projecteuler/problem0022.go b/exercises/projecteuler/problem0022.go
index 696cb79..06b244b 100644
--- a/exercises/projecteuler/problem0022.go
+++ b/exercises/projecteuler/problem0022.go
@@ -19,7 +19,7 @@ func Problem0022(listOfNames []string) int {
 
 	sort.Strings(listOfNames)
 
-	for i := 0; i < len(listOfNames); i++ {
+	for i := range listOfNames {
 		answer += (i + 1) * helpers.WordScore(listOfNames[i])
 	}
 
diff --git a/exercises/projecteuler/problem0023.go b/exercises/projecteuler/problem0023.go
index 97573df..6f619bd 100644
--- a/exercises/projecteuler/problem0023.go
+++ b/exercises/projecteuler/problem0023.go
@@ -5,20 +5,12 @@
 package projecteuler
 
 import (
-	"golang.org/x/exp/slices"
+	slices "slices"
+
 	"gon.cl/algorithms/exercises/projecteuler/helpers"
 	"gon.cl/algorithms/utils/log"
 )
 
-func Contains[T comparable](s []T, e T) bool {
-	for _, v := range s {
-		if v == e {
-			return true
-		}
-	}
-	return false
-}
-
 func Problem0023(underLimit int, superLimit int) int {
 
 	var abundantNumberList = []int{}
@@ -38,7 +30,7 @@ func Problem0023(underLimit int, superLimit int) int {
 	var sumsAbundantNums = []int{}
 
 	// Produce a list of sums of pair of abundant numbers below limit
-	for i := 0; i < len(abundantNumberList); i++ {
+	for i := range abundantNumberList {
 		for j := 0; abundantNumberList[i]+abundantNumberList[j] <= superLimit &&
 			j < len(abundantNumberList); j++ {
 
@@ -62,7 +54,7 @@ func Problem0023(underLimit int, superLimit int) int {
 	var found = []int{}
 
 	for i := 1; i < superLimit; i++ {
-		if !Contains(sumsAbundantNums, i) {
+		if !slices.Contains(sumsAbundantNums, i) {
 			found = append(found, i)
 		}
 	}
diff --git a/go.mod b/go.mod
index 6223f7a..435506f 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,6 @@ go 1.22.0
 require (
 	github.com/stretchr/testify v1.10.0
 	go.uber.org/zap v1.27.0
-	golang.org/x/exp v0.0.0-20250210185358-939b2ce775ac
 )
 
 require (
diff --git a/utils/log/logger.go b/utils/log/logger.go
index 9c6dd56..c32654c 100644
--- a/utils/log/logger.go
+++ b/utils/log/logger.go
@@ -102,8 +102,8 @@ func (logger *Log) WithError(err error) *Log {
 	return logCustom
 }
 
-func WithField(key string, value interface{}) *Log { return instance.WithField(key, value) }
-func (logger *Log) WithField(key string, value interface{}) *Log {
+func WithField(key string, value any) *Log { return instance.WithField(key, value) }
+func (logger *Log) WithField(key string, value any) *Log {
 	logCustom := &Log{
 		log: initLoggerZap(),
 	}
@@ -111,34 +111,34 @@ func (logger *Log) WithField(key string, value interface{}) *Log {
 	return logCustom
 }
 
-func Info(message string, args ...interface{}) { instance.Info(message, args...) }
-func (logger *Log) Info(message string, args ...interface{}) {
+func Info(message string, args ...any) { instance.Info(message, args...) }
+func (logger *Log) Info(message string, args ...any) {
 	logger.log.Info(fmt.Sprintf(message, args...))
 }
 
-func Error(message string, args ...interface{}) { instance.Error(message, args...) }
-func (logger *Log) Error(message string, args ...interface{}) {
+func Error(message string, args ...any) { instance.Error(message, args...) }
+func (logger *Log) Error(message string, args ...any) {
 	logger.log.Error(fmt.Sprintf(message, args...))
 }
 
-func Debug(message string, args ...interface{}) { instance.Debug(message, args...) }
-func (logger *Log) Debug(message string, args ...interface{}) {
+func Debug(message string, args ...any) { instance.Debug(message, args...) }
+func (logger *Log) Debug(message string, args ...any) {
 	logger.log.Debug(fmt.Sprintf(message, args...))
 }
 
-func Warn(message string, args ...interface{}) { instance.Warn(message, args...) }
-func (logger *Log) Warn(message string, args ...interface{}) {
+func Warn(message string, args ...any) { instance.Warn(message, args...) }
+func (logger *Log) Warn(message string, args ...any) {
 	logger.log.Warn(fmt.Sprintf(message, args...))
 }
 
-func Fatal(message string, args ...interface{}) { instance.Fatal(message, args...) }
-func (logger *Log) Fatal(message string, args ...interface{}) {
+func Fatal(message string, args ...any) { instance.Fatal(message, args...) }
+func (logger *Log) Fatal(message string, args ...any) {
 	logger.log.Fatal(fmt.Sprintf(message, args...))
 }
 
-func Printf(message string, args ...interface{}) {
+func Printf(message string, args ...any) {
 	instance.Printf(message, args...)
 }
-func (logger *Log) Printf(message string, args ...interface{}) {
+func (logger *Log) Printf(message string, args ...any) {
 	logger.log.Info(fmt.Sprintf(message, args...))
 }