結果
| 問題 |
No.1021 Children in Classrooms
|
| コンテスト | |
| ユーザー |
neko_the_shadow
|
| 提出日時 | 2020-04-17 19:18:25 |
| 言語 | Go (1.23.4) |
| 結果 |
AC
|
| 実行時間 | 100 ms / 2,000 ms |
| コード長 | 3,184 bytes |
| コンパイル時間 | 9,574 ms |
| コンパイル使用メモリ | 224,520 KB |
| 実行使用メモリ | 26,448 KB |
| 最終ジャッジ日時 | 2024-10-03 10:31:40 |
| 合計ジャッジ時間 | 11,746 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 |
ソースコード
package main
import (
"bufio"
"fmt"
"math"
"os"
"strconv"
"strings"
)
const INFINITY = math.MaxInt64/2 - 1
func exec(stdin *Stdin, stdout *Stdout) {
n := stdin.ReadInt()
m := stdin.ReadInt()
a := make([]int, n)
for i := 0; i < n; i++ {
a[i] = stdin.ReadInt()
}
s := stdin.Read()
q := NewDeque()
for _, v := range a {
q.AppendLast(v)
}
for i := 0; i < m; i++ {
if s[i] == 'L' {
x := q.PopFirst().(int)
y := q.PopFirst().(int)
q.AppendFirst(x + y)
q.AppendLast(0)
} else {
x := q.PopLast().(int)
y := q.PopLast().(int)
q.AppendLast(x + y)
q.AppendFirst(0)
}
}
ans := []string{}
for !q.IsEmpty() {
ans = append(ans, fmt.Sprintf("%v", q.PopFirst()))
}
stdout.Println(strings.Join(ans, " "))
}
type Deque struct {
head []interface{}
tail []interface{}
}
func NewDeque() *Deque {
return &Deque{
head: []interface{}{},
tail: []interface{}{},
}
}
func (d *Deque) AppendLast(v interface{}) {
d.tail = append(d.tail, v)
}
func (d *Deque) AppendFirst(v interface{}) {
d.head = append(d.head, v)
}
func (d *Deque) PopLast() interface{} {
if len(d.tail) == 0 {
v := d.head[0]
d.head = d.head[1:]
return v
} else {
v := d.tail[len(d.tail)-1]
d.tail = d.tail[:len(d.tail)-1]
return v
}
}
func (d *Deque) PopFirst() interface{} {
if len(d.head) == 0 {
v := d.tail[0]
d.tail = d.tail[1:]
return v
} else {
v := d.head[len(d.head)-1]
d.head = d.head[:len(d.head)-1]
return v
}
}
func (d *Deque) IsEmpty() bool {
return len(d.head) == 0 && len(d.tail) == 0
}
func (d *Deque) PeekFirst() interface{} {
if len(d.head) == 0 {
return d.tail[0]
} else {
return d.head[len(d.head)-1]
}
}
func (d *Deque) PeekLast() interface{} {
if len(d.tail) == 0 {
return d.head[0]
} else {
return d.tail[len(d.tail)-1]
}
}
func main() {
stdout := NewStdout()
defer stdout.Flush()
exec(NewStdin(bufio.ScanWords), stdout)
}
type Stdin struct {
stdin *bufio.Scanner
}
func NewStdin(split bufio.SplitFunc) *Stdin {
s := Stdin{bufio.NewScanner(os.Stdin)}
s.stdin.Split(split)
s.stdin.Buffer(make([]byte, bufio.MaxScanTokenSize), INFINITY)
return &s
}
func (s *Stdin) Read() string {
s.stdin.Scan()
return s.stdin.Text()
}
func (s *Stdin) ReadInt() int {
n, _ := strconv.Atoi(s.Read())
return n
}
func (s *Stdin) ReadFloat64() float64 {
n, _ := strconv.ParseFloat(s.Read(), 64)
return n
}
type Stdout struct {
stdout *bufio.Writer
}
func NewStdout() *Stdout {
return &Stdout{bufio.NewWriter(os.Stdout)}
}
func (s *Stdout) Flush() {
s.stdout.Flush()
}
func (s *Stdout) Println(a ...interface{}) {
fmt.Fprintln(s.stdout, a...)
}
func Min(a int, b ...int) int {
for _, v := range b {
if v < a {
a = v
}
}
return a
}
func Max(a int, b ...int) int {
for _, v := range b {
if a < v {
a = v
}
}
return a
}
func Abs(x int) int {
if x > 0 {
return x
} else {
return x * -1
}
}
func Pow(x, y int) int {
z := 1
for y > 0 {
if y%2 == 0 {
x *= x
y /= 2
} else {
z *= x
y -= 1
}
}
return z
}
func CreateMatrix(x, y int) [][]int {
matrix := make([][]int, x)
for i := 0; i < x; i++ {
matrix[i] = make([]int, y)
}
return matrix
}
neko_the_shadow