Remove Optimal 5

optimal5.go

package main

import (
	"fmt"
	"strconv"
)

// Receive a number as an argument 15956 for example between the range of -99995 and 99995.
// There are a number of 5s in any given number. For a given number I need to figure out the highest
// possible value of the number when one '5' is removed.

func removeOptimal5(n int) int {
	// Convert int to string
	s := strconv.Itoa(n)

	// Create a variable to keep track of the maximum value
	maxValue := -99995

	// Loop through the string and try removing each '5'
	for idx := 0; idx < len(s); idx++ {
		if s[idx] == '5' {
			// Create a new string by removing the current '5'
			newStr := s[:idx] + s[idx+1:]

			// Convert the new string back to an integer
			newInt, _ := strconv.Atoi(newStr)

			// Update the maximum value if the current value is greater
			if newInt > maxValue {
				maxValue = newInt
			}
		}
	}

	return maxValue
}

func main() {
	fmt.Println(removeOptimal5(15956))  // Should print 1956
	fmt.Println(removeOptimal5(15256))  // Should print 1526
	fmt.Println(removeOptimal5(-15956)) // Should print -1596
}