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main.go
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main.go
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package main
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
)
/*
* Complete the 'aVeryBigSum' function below.
*
* The function is expected to return a LONG_INTEGER.
* The function accepts LONG_INTEGER_ARRAY ar as parameter.
*/
func aVeryBigSum(ar []int64) int64 {
// Write your code here
var result int64
for _, value := range ar {
result += value
}
return result
}
func main() {
reader := bufio.NewReaderSize(os.Stdin, 16*1024*1024)
stdout, err := os.Create(os.Getenv("OUTPUT_PATH"))
checkError(err)
defer stdout.Close()
writer := bufio.NewWriterSize(stdout, 16*1024*1024)
arCount, err := strconv.ParseInt(strings.TrimSpace(readLine(reader)), 10, 64)
checkError(err)
arTemp := strings.Split(strings.TrimSpace(readLine(reader)), " ")
var ar []int64
for i := 0; i < int(arCount); i++ {
arItem, err := strconv.ParseInt(arTemp[i], 10, 64)
checkError(err)
ar = append(ar, arItem)
}
result := aVeryBigSum(ar)
fmt.Fprintf(writer, "%d\n", result)
writer.Flush()
}
func readLine(reader *bufio.Reader) string {
str, _, err := reader.ReadLine()
if err == io.EOF {
return ""
}
return strings.TrimRight(string(str), "\r\n")
}
func checkError(err error) {
if err != nil {
panic(err)
}
}