Submission #1662353

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Source Code Expand

package main

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

func main() {
	scn := newScanner()
	W := scn.nextInt()
	H := scn.nextInt()
	p := make([]int, W)
	q := make([]int, H)
	for i := 0; i < W; i++ {
		p[i] = scn.nextInt()
	}
	for i := 0; i < H; i++ {
		q[i] = scn.nextInt()
	}
	sort.Ints(p)
	sort.Ints(q)
	var i, j, ans int
	for i < H || j < W {
		if i == H {
			ans += p[j]
			j++
		} else if j == W {
			ans += q[i]
			i++
		} else {
			if q[i] < p[j] {
				ans += (W - j + 1) * q[i]
				i++
			} else {
				ans += (H - i + 1) * p[j]
				j++
			}
		}
	}
	fmt.Println(ans)
}

func max(a ...int) int {
	r := a[0]
	for i := 0; i < len(a); i++ {
		if r < a[i] {
			r = a[i]
		}
	}
	return r
}

func min(a ...int) int {
	r := a[0]
	for i := 0; i < len(a); i++ {
		if r > a[i] {
			r = a[i]
		}
	}
	return r
}

type scanner struct {
	r   *bufio.Reader
	buf []byte
	p   int
}

func newScanner() *scanner {
	rdr := bufio.NewReaderSize(os.Stdin, 10000)
	return &scanner{r: rdr}
}
func (s *scanner) next() string {
	s.pre()
	start := s.p
	for ; s.p < len(s.buf); s.p++ {
		if s.buf[s.p] == ' ' {
			break
		}
	}
	result := string(s.buf[start:s.p])
	s.p++
	return result
}
func (s *scanner) nextLine() string {
	s.pre()
	start := s.p
	s.p = len(s.buf)
	return string(s.buf[start:])
}
func (s *scanner) nextInt() int {
	v, _ := strconv.Atoi(s.next())
	return v
}
func (s *scanner) nextInt64() int64 {
	v, _ := strconv.ParseInt(s.next(), 10, 64)
	return v
}
func (s *scanner) pre() {
	if s.p >= len(s.buf) {
		s.readLine()
		s.p = 0
	}
}
func (s *scanner) readLine() {
	s.buf = make([]byte, 0)
	for {
		l, p, e := s.r.ReadLine()
		if e != nil {
			panic(e)
		}
		s.buf = append(s.buf, l...)
		if !p {
			break
		}
	}
}

Submission Info

Judge Result