結果
| 問題 |
No.1638 Robot Maze
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-07-09 18:38:48 |
| 言語 | Go (1.23.4) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,785 bytes |
| コンパイル時間 | 11,207 ms |
| コンパイル使用メモリ | 241,444 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2024-12-31 08:34:58 |
| 合計ジャッジ時間 | 12,930 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 WA * 1 |
| other | AC * 32 WA * 17 |
ソースコード
package main
import (
"bufio"
"container/heap"
"fmt"
"os"
"strconv"
)
var sc = bufio.NewScanner(os.Stdin)
var out = bufio.NewWriter(os.Stdout)
var p int
var dc []int
var dir = [][]int{{-1, 0}, {1, 0}, {0, 1}, {0, -1}}
type Edge struct {
i, j, c int
}
type PriorityQueue []Edge
func (pq PriorityQueue) Len() int {
return len(pq)
}
func (pq PriorityQueue) Less(i, j int) bool {
return pq[i].c < pq[j].c
}
func (pq PriorityQueue) Swap(i, j int) {
pq[i], pq[j] = pq[j], pq[i]
}
func (pq *PriorityQueue) Push(item interface{}) {
*pq = append(*pq, item.(Edge))
}
func (pq *PriorityQueue) Pop() interface{} {
es := *pq // EdgeのSlice
n := len(es)
item := es[n-1]
*pq = es[0 : n-1]
return item
}
type Field struct {
h, w int
//e [][]Edge
f []string
c [][]int
}
func NewField(h, w int, f []string) *Field {
const INF = 1 << 60
c := make([][]int, h)
for i := 0; i < h; i++ {
c[i] = make([]int, w)
for j := 0; j < w; j++ {
c[i][j] = INF
}
}
return &Field{h, w, f, c}
}
func (f *Field) Len() int {
return f.h * f.w //len(this.E)
}
func (f *Field) Dijkstra(xs, ys, xt, yt int) {
//n := this.Len()
q := &PriorityQueue{}
//TODO
init := func(xs, ys int) {
heap.Init(q)
heap.Push(q, Edge{xs, ys, 0})
}
push := func(i, j, c, d int) {
ni, nj := i+dir[d][0], j+dir[d][1]
if ni < 0 || ni >= f.h || nj < 0 || nj >= f.w {
return
}
if f.f[ni][nj] == '#' {
return
}
var nc int
if f.f[ni][nj] == '@' {
nc += p
}
nc += dc[d]
if f.c[ni][nj] > nc {
f.c[ni][nj] = nc
heap.Push(q, Edge{ni, nj, nc})
}
}
init(xs, ys)
for q.Len() > 0 {
cur := heap.Pop(q).(Edge)
//fmt.Println("cur", cur)
if f.c[cur.i][cur.j] < cur.c {
continue
}
//fmt.Println("Edge", this.E[cur.B])
for k := 0; k < 4; k++ {
push(cur.i, cur.j, cur.c, k)
}
}
}
func solve(h, w, u, d, r, l, k, p, xs, ys, xt, yt int, c []string) string {
xs--
ys--
xt--
yt--
dc = append(dc, u)
dc = append(dc, d)
dc = append(dc, r)
dc = append(dc, l)
field := NewField(h, w, c)
field.Dijkstra(xs, ys, xt, yt)
if field.c[xt][yt] <= k {
return "Yes"
} else {
return "No"
}
}
func main() {
buf := make([]byte, 1024*1024)
sc.Buffer(buf, bufio.MaxScanTokenSize)
sc.Split(bufio.ScanWords)
h, w := nextInt(), nextInt()
u, d, r, l, k := nextInt(), nextInt(), nextInt(), nextInt(), nextInt()
p = nextInt()
xs, ys, xt, yt := nextInt(), nextInt(), nextInt(), nextInt()
c := make([]string, h)
for i := 0; i < h; i++ {
c[i] = nextString()
}
ans := solve(h, w, u, d, r, l, k, p, xs, ys, xt, yt, c)
PrintString(ans)
}
func nextInt() int {
sc.Scan()
i, _ := strconv.Atoi(sc.Text())
return i
}
func nextString() string {
sc.Scan()
return sc.Text()
}
func PrintString(x string) {
defer out.Flush()
fmt.Fprintln(out, x)
}