Submission #2556088

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Source Code Expand

package main

import (
	"fmt"
)

func main() {
	var n int
	
	fmt.Scan(&n)
	
	a := make([]int, n)
	
	for i := 0; i < n; i++ {
		fmt.Scan(&a[i])
	}
	
	m := make(map[int]bool)
	for _, b := range a {
		m[b] = true
	}
	
	fmt.Println(len(m))
}

Submission Info

Judge Result