Computer scienceProgramming languagesGolangTypes and data structuresStack and Queue

Using stack in Go

Theory

Even stack

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You get 10 integers by the input, separated by whitespace. You need to print out only even numbers. Numbers must be printed in reversed order, each number in a new line. Use a Stack structure to solve this task.

Sample Input 1: 

1 2 3 4 5 6 7 8 9 0

Sample Output 1: 

0
8
6
4
2
Write a program in Go
package main

import (
"errors"
"fmt"
)

func main() {
// the Stack struct is hidden but already declared
var evenStack ?
var num int

for i := 0; i < 10; i++ {
fmt.Scan(&num)

if num%2 == 0 {
evenStack.?(num)
}
}

?, ? := evenStack.Pop()
for ? == nil {
fmt.Println(val)
val, err = evenStack.?()
}
}
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