結果

問題 No.628 Tagの勢い
ユーザー fmhr
提出日時 2018-01-05 21:54:11
言語 Go
(1.11.2)
結果
AC  
実行時間 3 ms
コード長 3,605 Byte
コンパイル時間 3,063 ms
使用メモリ 1,112 KB
最終ジャッジ日時 2018-11-12 15:03:54

テストケース

テストケース表示
入力 結果 実行時間
使用メモリ
test1.txt AC 0 ms
948 KB
test2.txt AC 1 ms
964 KB
test3.txt AC 0 ms
948 KB
test4.txt AC 1 ms
964 KB
test5.txt AC 1 ms
948 KB
test6.txt AC 1 ms
952 KB
test7.txt AC 0 ms
972 KB
test8.txt AC 1 ms
976 KB
test9.txt AC 1 ms
988 KB
test10.txt AC 0 ms
972 KB
test11.txt AC 1 ms
972 KB
test12.txt AC 1 ms
972 KB
test13.txt AC 2 ms
1,100 KB
test14.txt AC 3 ms
1,100 KB
test15.txt AC 2 ms
1,112 KB
test16.txt AC 3 ms
1,104 KB
test17.txt AC 2 ms
1,056 KB
test18.txt AC 1 ms
944 KB
test19.txt AC 0 ms
952 KB
テストケース一括ダウンロード
コンパイルメッセージ
go: disabling cache (/root/.cache/go-build) due to initialization failure: open /root/.cache/go-build/log.txt: permission denied

ソースコード

diff #
package main

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

// const abcd = "abcdefghijklmnopqrstuvwxyz"
// const ABCD = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
// var dx = [...]int{0, 1, 0, -1, 1, -1, -1, 1}
// var dy = [...]int{1, 0, -1, 0, 1, 1, -1, -1}
// var inf int = 1e13

// var mod = 1000000007
var next = newScanner()

// ---------------------------------------------------------

func main() {
	log.SetFlags(log.Lshortfile)
	N := next.Int()
	cnt := map[string]int{}
	for i := 0; i < N; i++ {
		_ = next.Int()
		m := next.Int()
		s := next.Int()
		for j := 0; j < m; j++ {
			tag := next.String()
			cnt[tag] += s
		}
	}
	counter := make([]Pair, 0)
	for k, v := range cnt {
		counter = append(counter, Pair{a: v, b: k})
	}
	sort.Sort(Pairs(counter))
	// log.Println(counter)
	for i := 0; i < min(len(counter), 10); i++ {
		fmt.Println(counter[i].b, counter[i].a)
	}
}

// ---------------------------------------------------------

// // Pair is...
type Pair struct {
	a int
	b string
}

// Pairs is sorted by []Pair struct
type Pairs []Pair

func (p Pairs) Len() int {
	return len(p)
}
func (p Pairs) Swap(i, j int) {
	p[i], p[j] = p[j], p[i]
}

func (p Pairs) Less(i, j int) bool {
	if p[i].a > p[j].a {
		return true
	} else if p[i].a == p[j].a {
		return strings.Compare(p[i].b, p[j].b) == -1
	}
	return false
}

// ------int method-------------------------
func in(c, a, z int) bool {
	return c >= a && c < z
}
func btoi(b bool) int {
	if b {
		return 1
	}
	return 0
}
func itob(a int) bool {
	if a == 0 {
		return false
	}
	return true
}
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
}
func sum(a []int) int {
	r := 0
	for i := 0; i < len(a); i++ {
		r += a[i]
	}
	return r
}
func pro(a []int) int {
	r := 1
	for i := 0; i < len(a); i++ {
		r *= a[i]
	}
	return r
}
func fill(a []int, n int) []int {
	for i := 0; i < len(a); i++ {
		a[i] = n
	}
	return a
}
func minmax(a, b int) (int, int) {
	if a > b {
		return b, a
	}
	return a, b
}
func abs(a int) int {
	if a < 0 {
		return -a
	}
	return a
}

// ---------- buffered scanner -----------------------------------------
func iferr(err error) {
	if err != nil {
		panic(err)
	}
}

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) Line() string {
	s.pre()
	start := s.p
	s.p = len(s.buf)
	return string(s.buf[start:])
}
func (s *scanner) String() string {
	return s.next()
}
func (s *scanner) Int() int {
	v, e := strconv.Atoi(s.next())
	iferr(e)
	return v
}
func (s *scanner) Ints(n int) []int {
	r := make([]int, n)
	for i := 0; i < n; i++ {
		r[i] = s.Int()
	}
	return r
}
func (s *scanner) Int64() int64 {
	v, e := strconv.ParseInt(s.next(), 10, 64)
	iferr(e)
	return v
}
func (s *scanner) Uint64() uint64 {
	v, e := strconv.ParseUint(s.next(), 10, 64)
	iferr(e)
	return v
}
func (s *scanner) Float64() float64 {
	v, e := strconv.ParseFloat(s.next(), 64)
	iferr(e)
	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()
		iferr(e)
		s.buf = append(s.buf, l...)
		if !p {
			break
		}
	}
}
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