Submission #7053523

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Source Code Expand

package main

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

var sc = bufio.NewScanner(os.Stdin)

func nextInt() int {
	sc.Scan()
	i, e := strconv.Atoi(sc.Text())
	if e != nil {
		panic(e)
	}
	return i
}

const KUKU = 2025

type pair struct {
	first  int
	second int
}

type SortBy []pair

func (a SortBy) Len() int           { return len(a) }
func (a SortBy) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
func (a SortBy) Less(i, j int) bool { return a[i].first < a[j].first }

func main() {
	sc.Split(bufio.ScanWords)
	N := nextInt()
	delta := KUKU - N

	ans := make([]pair, 0)

	for i := 1; i <= delta; i++ {
		if delta%i == 0 {
			tmp := delta / i
			if tmp <= 9 && i <= 9 {
				ans = append(ans, pair{first: i, second: tmp})
			}
		}
	}

	for _, a := range ans {
		fmt.Printf("%d x %d\n", a.first, a.second)
	}
}

Submission Info

Judge Result