Day 8 : Golang | Dictionaries and Maps - Hackerrank.go

Day 8 : Golang | Dictionaries and Maps - Hackerrank.go

package main
import (
    "fmt"
    "bufio"
    "os"
    "strings"
    "strconv"
    "io"
)

func main() {
    //Enter your code here. Read input from STDIN. Print output to STDOUT
    scanner := bufio.NewReader(os.Stdin)
    contactsMap := make(map[string]int)
 
    totalInput, _ := scanner.ReadString('\n')
    totalInputInt, _ := strconv.Atoi(strings.TrimSuffix(totalInput, "\n"))
 
    for i:=0;i<totalInputInt;i++{
        eachContact, _ := scanner.ReadString('\n')
        eachContact = strings.TrimSuffix(eachContact, "\n")
        eachContactSplit := strings.Split(eachContact, " ")
     
        eachContactName := eachContactSplit[0]
        eachContactPhone, _ := strconv.Atoi(eachContactSplit[1])
     
        contactsMap[eachContactName] = eachContactPhone 
    }
 
    for{
        searchName, err := scanner.ReadString('\n')
        if len(searchName) == 0 && err != nil {
            if err == io.EOF {
                break
            }
        }
        searchName = strings.TrimSuffix(searchName, "\n")
        _, exists := contactsMap[searchName]
        if(exists){
            fmt.Printf("%s=%d\n", searchName, contactsMap[searchName])
        }else{
            fmt.Println("Not found")
    }
 }
}