Envío 1576

Código

package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

func main() {
  scanner := bufio.NewScanner(os.Stdin)
	scanner.Split(bufio.ScanWords)

	scanner.Scan()
	n, _ := strconv.Atoi(scanner.Text())
  
  a := make([]int, n)
  a_sum := make([]int, n)
  sum := 0
  for i := 0; i < n; i++ {
    scanner.Scan()
		a[i], _ = strconv.Atoi(scanner.Text())
    sum += a[i]
    a_sum[i] = sum
  }
  
  result := -1
  for i := 0; i < n; i++ {
    if a_sum[i] > 0 && (a_sum[n-1] - a_sum[i]) < 0 {
      result = i + 1
      break
    }
  }

  if result >= 0 {
    fmt.Println(result)
  } else {
    fmt.Println("Impossible")
  }
}