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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#515279#2265. Short CodingWorldFinalEscaped#AC ✓1ms3952kbC++172.4kb2024-08-11 16:45:462024-08-11 16:45:46

Judging History

你现在查看的是最新测评结果

  • [2024-08-11 16:45:46]
  • 评测
  • 测评结果:AC
  • 用时:1ms
  • 内存:3952kb
  • [2024-08-11 16:45:46]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

char aa[11][11];
int n, m, Sx, Sy, Ex, Ey;

int LIM;

/*
0: forward
1: left
2: right 
*/ 

int a[11], b[11];

const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1}; 

bool ok(int x, int y) {
    return x >= 1 && x <= n && y >= 1 && y <= m && aa[x][y] != '#';
}
 
bool check() {
    bool vis[11][11][4][11];
    memset(vis, 0, sizeof(vis));
    int x = Sx, y = Sy, dir = 0, pc = 0;
    while (1) {
        if (x == Ex && y == Ey) return true;
        if (vis[x][y][dir][pc]) return false;
        vis[x][y][dir][pc] = true;
        if (a[pc] == 0) {
            if (ok(x + dx[dir], y + dy[dir]))
                x += dx[dir], y += dy[dir];
            pc = (pc + 1) % LIM; 
        } else if (a[pc] == 1) {
            dir = (dir + 1) % 4;
            pc = (pc + 1) % LIM; 
        } else if (a[pc] == 2) {
            dir = (dir + 3) % 4;
            pc = (pc + 1) % LIM; 
        } else if (a[pc] == 3) {
            pc = b[pc]; 
        } else {
            if (ok(x + dx[dir], y + dy[dir]))
                pc = b[pc];
            else
                pc = (pc + 1) % LIM; 
        } 
    } 
    assert(0); 
    return false; 
}
 
void dfs(int u) {
    if (u == LIM) {
        if (check()) {
            printf("%d\n", LIM);
            for (int i = 0; i < LIM; i++) {
                if (a[i] == 0) puts("FORWARD");
                else if (a[i] == 1) puts("LEFT");
                else if (a[i] == 2) puts("RIGHT"); 
                else if (a[i] == 3) printf("GOTO %d\n", b[i] + 1);
                else printf("IF-OPEN %d\n", b[i] + 1); 
            } 
            exit(0); 
        }
        return ; 
    } 
    a[u] = 0, dfs(u + 1);
    a[u] = 1, dfs(u + 1);
    a[u] = 2, dfs(u + 1);
    for (int i = 0; i < LIM; i++) {
        if (i == u || i == (u + 1) % LIM) continue;
        a[u] = 3, b[u] = i;
        dfs(u + 1); 
        a[u] = 4, b[u] = i;
        dfs(u + 1); 
    } 
} 

int main() {
    scanf("%d%d", &n, &m);
    for (int i = 1; i <= n; i++) {
        scanf("%s", aa[i] + 1);
        for (int j = 1; j <= m; j++) {
            if (aa[i][j] == 'S')
                Sx = i, Sy = j;
            if (aa[i][j] == 'G')
                Ex = i, Ey = j;
        }
    }
    for (int step = 1; ; step++) {
        LIM = step;
        dfs(0);
    }
    return 0; 
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3784kb

input:

4 2
S#
.#
.#
G.

output:

1
FORWARD

result:

ok correct answer!

Test #2:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

3 6
##S..#
#..##.
.G..#.

output:

2
FORWARD
RIGHT

result:

ok correct answer!

Test #3:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

3 7
....S##
.#.#...
##.#.G#

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #4:

score: 0
Accepted
time: 0ms
memory: 3796kb

input:

4 8
...S.#.#
##..#.#.
###...#.
#.#.#G.#

output:

3
FORWARD
FORWARD
LEFT

result:

ok correct answer!

Test #5:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

3 5
.S#..
.....
..#G.

output:

3
FORWARD
LEFT
FORWARD

result:

ok correct answer!

Test #6:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

10 10
.....S#...
...#......
....##....
.#.....#..
....#.....
..#.......
...#......
..........
.#...#....
G.#..#...#

output:

3
LEFT
FORWARD
IF-OPEN 2

result:

ok correct answer!

Test #7:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

7 9
.##S.#..#
.........
.........
...#...##
###..####
........#
.....##G#

output:

3
RIGHT
FORWARD
IF-OPEN 2

result:

ok correct answer!

Test #8:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

3 9
..#.#.#S#
#...#...#
.G....#.#

output:

3
FORWARD
RIGHT
FORWARD

result:

ok correct answer!

Test #9:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

4 5
#S...
..#..
.#..#
.#.G#

output:

3
RIGHT
FORWARD
FORWARD

result:

ok correct answer!

Test #10:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

6 8
..S..#.#
...#...#
....#..#
#.#.##..
.......#
.#..#G.#

output:

4
FORWARD
LEFT
FORWARD
RIGHT

result:

ok correct answer!

Test #11:

score: 0
Accepted
time: 0ms
memory: 3952kb

input:

9 10
S.........
.#..#....#
........#.
..........
.....#.#..
.#...#....
#..#.##.#.
..#..#...#
..#.#....G

output:

4
LEFT
FORWARD
RIGHT
FORWARD

result:

ok correct answer!

Test #12:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

10 4
#.S.
.#.#
##.#
##..
.#..
#...
#.##
..#.
.#..
G.##

output:

4
FORWARD
RIGHT
FORWARD
LEFT

result:

ok correct answer!

Test #13:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

9 9
#..#...S#
.#...##.#
.....##..
..#..#...
..#..#..#
.#..#.#.#
.###.....
..#.#.##.
G#....#.#

output:

4
RIGHT
FORWARD
LEFT
FORWARD

result:

ok correct answer!

Test #14:

score: 0
Accepted
time: 0ms
memory: 3792kb

input:

7 3
.S#
#..
..#
...
..#
.#.
.G.

output:

4
FORWARD
FORWARD
FORWARD
LEFT

result:

ok correct answer!

Test #15:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

6 6
..#S..
#.#.#.
.....#
#.#...
..#...
..G##.

output:

4
FORWARD
FORWARD
LEFT
FORWARD

result:

ok correct answer!

Test #16:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

6 8
....#S..
......#.
..##..#.
###.#.##
..#...#.
##.G#..#

output:

4
FORWARD
FORWARD
RIGHT
FORWARD

result:

ok correct answer!

Test #17:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

10 8
#..S.###
.#....##
.#......
....#.#.
#...#..#
........
....#.##
...#.###
.#.#...#
.#...G.#

output:

4
FORWARD
LEFT
FORWARD
IF-OPEN 3

result:

ok correct answer!

Test #18:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

7 6
...##S
#.....
....#.
...#.#
....#.
#.....
.....G

output:

4
FORWARD
RIGHT
FORWARD
IF-OPEN 3

result:

ok correct answer!

Test #19:

score: 0
Accepted
time: 1ms
memory: 3884kb

input:

4 8
.##..S..
#.###..#
.#...#..
...#G...

output:

4
RIGHT
FORWARD
FORWARD
FORWARD

result:

ok correct answer!

Test #20:

score: 0
Accepted
time: 0ms
memory: 3792kb

input:

3 10
##.......S
####.####.
...#..G##.

output:

4
RIGHT
FORWARD
LEFT
IF-OPEN 2

result:

ok correct answer!

Test #21:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

2 7
.#S.###
.#.G..#

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #22:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

2 7
.S#.#.#
G#.##.#

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #23:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

2 4
...S
##G#

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #24:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

2 7
S......
.G.....

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #25:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

2 3
#S#
..G

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #26:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

2 4
#.S#
#G##

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #27:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

3 6
.#S###
#....#
#G.#..

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #28:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

2 4
S.#.
#G##

output:

2
FORWARD
RIGHT

result:

ok correct answer!

Test #29:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

2 5
##..S
...G.

output:

2
FORWARD
LEFT

result:

ok correct answer!

Test #30:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

2 9
#S###....
G..##..##

output:

2
FORWARD
RIGHT

result:

ok correct answer!

Test #31:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

6 10
....S...##
.#...#....
..........
.#.#...#..
...#.##...
.G#...#...

output:

3
LEFT
FORWARD
IF-OPEN 2

result:

ok correct answer!

Test #32:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

3 3
S..
##.
##G

output:

3
FORWARD
FORWARD
RIGHT

result:

ok correct answer!

Test #33:

score: 0
Accepted
time: 0ms
memory: 3952kb

input:

5 5
..S..
.##..
.####
..#..
G.#.#

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #34:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

4 6
S#....
....#.
#.....
#...G.

output:

3
FORWARD
FORWARD
LEFT

result:

ok correct answer!

Test #35:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

3 6
.#..S#
..#..#
.##G.#

output:

3
FORWARD
FORWARD
RIGHT

result:

ok correct answer!

Test #36:

score: 0
Accepted
time: 0ms
memory: 3952kb

input:

4 3
..S
.#.
..#
G..

output:

3
FORWARD
FORWARD
LEFT

result:

ok correct answer!

Test #37:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

5 3
S..
##.
...
...
.G.

output:

3
FORWARD
FORWARD
RIGHT

result:

ok correct answer!

Test #38:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

8 2
.S
..
..
..
..
..
.#
G.

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #39:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

3 7
...#..S
#.#....
....G..

output:

3
FORWARD
FORWARD
LEFT

result:

ok correct answer!

Test #40:

score: 0
Accepted
time: 0ms
memory: 3760kb

input:

3 9
#......S.
...#.#...
.G.#.#...

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #41:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

2 9
.##..S...
##..##G.#

output:

4
FORWARD
FORWARD
FORWARD
RIGHT

result:

ok correct answer!

Test #42:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

4 6
S..#.#
..#...
......
..#G#.

output:

4
FORWARD
FORWARD
LEFT
FORWARD

result:

ok correct answer!

Test #43:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

4 9
#..##S..#
##..#...#
#.......#
####.#G##

output:

4
FORWARD
IF-OPEN 4
LEFT
LEFT

result:

ok correct answer!

Test #44:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

3 8
....S...
.....#..
..#G#...

output:

4
FORWARD
RIGHT
FORWARD
LEFT

result:

ok correct answer!

Test #45:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

4 9
.#.S#####
..#.###..
.#....#.#
.####.G.#

output:

4
FORWARD
LEFT
FORWARD
RIGHT

result:

ok correct answer!

Test #46:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

4 3
..S
...
...
#G#

output:

4
FORWARD
IF-OPEN 4
LEFT
LEFT

result:

ok correct answer!

Test #47:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

2 7
#...S..
..#G##.

output:

4
FORWARD
FORWARD
FORWARD
LEFT

result:

ok correct answer!

Test #48:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

5 6
...S..
...#..
...#..
...#.#
#G..#.

output:

4
RIGHT
FORWARD
IF-OPEN 1
RIGHT

result:

ok correct answer!

Test #49:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

4 8
.#...#.S
..###...
........
....G..#

output:

4
FORWARD
RIGHT
FORWARD
LEFT

result:

ok correct answer!

Test #50:

score: 0
Accepted
time: 0ms
memory: 3796kb

input:

3 4
#S..
##..
.#G#

output:

4
LEFT
FORWARD
RIGHT
IF-OPEN 2

result:

ok correct answer!

Test #51:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

4 6
#.S.#.
#..#..
..#...
..G##.

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #52:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

4 5
#..S.
#.#..
..#..
G#..#

output:

4
RIGHT
FORWARD
LEFT
FORWARD

result:

ok correct answer!

Test #53:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

5 5
#.#S#
#...#
##.##
##..#
.##.G

output:

5
FORWARD
LEFT
IF-OPEN 1
LEFT
LEFT

result:

ok correct answer!

Test #54:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

5 6
##S..#
...#..
...#.#
...#..
..#G.#

output:

3
RIGHT
FORWARD
IF-OPEN 2

result:

ok correct answer!

Test #55:

score: 0
Accepted
time: 0ms
memory: 3792kb

input:

6 4
...S
..#.
....
....
....
G...

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #56:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

5 6
....S.
......
......
....#.
....G.

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #57:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

4 5
S###.
.####
.####
..G##

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #58:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

6 5
...S.
...#.
.#...
..##.
.##..
.G#..

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #59:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

5 4
..S.
#...
.#..
..#.
G...

output:

3
FORWARD
IF-OPEN 1
RIGHT

result:

ok correct answer!

Test #60:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

5 5
..#S#
.#..#
....#
..#.#
###G.

output:

1
FORWARD

result:

ok correct answer!

Test #61:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

10 10
#...S..#..
..#...#...
..#.#.#...
...#....##
##.....#.#
.....#.##.
.....#...#
...###....
..#.#.....
.#.#....#G

output:

4
FORWARD
LEFT
FORWARD
RIGHT

result:

ok correct answer!

Test #62:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

10 10
.#..S#...#
.....#....
...#...#.#
.##..#....
#....###.#
........##
...#..#...
##.#....##
...#....#.
#.#G...#.#

output:

3
FORWARD
IF-OPEN 1
RIGHT

result:

ok correct answer!

Test #63:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

10 10
.......S..
..........
..........
..........
........#.
..........
..........
..........
..........
........G.

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #64:

score: 0
Accepted
time: 1ms
memory: 3792kb

input:

10 10
....#S.#.#
.#....#...
.....#..#.
....#..#..
.#.....#.#
.......###
#....#.#..
..........
.#.#.##...
#....G.#..

output:

5
FORWARD
LEFT
IF-OPEN 1
RIGHT
GOTO 3

result:

ok correct answer!

Test #65:

score: 0
Accepted
time: 1ms
memory: 3772kb

input:

10 10
#...#..#.S
.##..#....
..###.#...
##.##.##..
#.#..##..#
.##.##...#
..#.##..#.
...#...##.
.#.#....##
#.##..G##.

output:

5
FORWARD
LEFT
IF-OPEN 1
RIGHT
GOTO 3

result:

ok correct answer!

Test #66:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

10 10
.........S
..........
..#.......
..........
.....#....
.#........
..........
..........
.......#..
.G.......#

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #67:

score: 0
Accepted
time: 1ms
memory: 3880kb

input:

10 10
.....#...S
...#....#.
......#.##
..#......#
#.#.##.#..
..#.##.#..
.......#..
#...#.....
#.#....#..
.#...#..#G

output:

5
FORWARD
LEFT
IF-OPEN 1
RIGHT
GOTO 3

result:

ok correct answer!

Test #68:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

10 10
......S...
..........
..........
..........
..........
...#....#.
..........
#.....#...
..........
.....#G...

output:

3
FORWARD
IF-OPEN 1
RIGHT

result:

ok correct answer!

Test #69:

score: 0
Accepted
time: 1ms
memory: 3948kb

input:

10 10
......##S.
........#.
....###...
....#.#..#
.##....#.#
.....#....
.....#....
..##......
....#.#.#.
.#....G...

output:

5
FORWARD
LEFT
IF-OPEN 1
RIGHT
GOTO 3

result:

ok correct answer!

Test #70:

score: 0
Accepted
time: 1ms
memory: 3792kb

input:

10 10
#.S#..#...
.......#.#
#..##..#.#
#...#...#.
#.###..##.
.....#.#.#
#.#..#...#
..##.#.#.#
####..#...
##..G#.#.#

output:

5
FORWARD
LEFT
IF-OPEN 1
RIGHT
GOTO 3

result:

ok correct answer!

Test #71:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

10 10
S#...#....
.#.#.#.##.
.#.#.#.#..
.#.#.#.#.#
.#.#.#.#..
.#.#.#.##.
.#.#.#.#..
.#.#.#.#.#
.#.#.#.#..
...#...##G

output:

5
FORWARD
LEFT
IF-OPEN 1
LEFT
LEFT

result:

ok correct answer!

Test #72:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

10 10
S#..#...#.
.#.....#..
.#.....#..
.........#
##.#.#.#..
.#.#.#.#..
.#.#.#.#.#
.#.#.#.#..
.#.#.#.#..
...#...#.G

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #73:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

10 10
S.#.#.#.#.
#..#.#.#.#
.#..#.#.#.
#.#..#.#.#
.#.#..#.#.
#.#.#..#.#
.#.#.#..#.
#.#.#.#..#
.#.#.#.#..
#.#.#.#.#G

output:

4
FORWARD
LEFT
FORWARD
RIGHT

result:

ok correct answer!

Test #74:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

10 10
S.........
.########.
.#......#.
.#......#.
.#......#.
.#......#.
.#......#.
.#......#.
.########.
.........G

output:

3
FORWARD
IF-OPEN 1
LEFT

result:

ok correct answer!

Test #75:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

10 10
S.#.......
#.###.####
#......#.#
##.###....
.#.#...#.#
...#####.#
.#.#.#...#
.#.#...###
##.#####.#
.........G

output:

4
FORWARD
LEFT
FORWARD
RIGHT

result:

ok correct answer!

Test #76:

score: 0
Accepted
time: 1ms
memory: 3756kb

input:

10 10
S.#.......
#.###.####
#......#.#
##.###....
.#.#...#.#
...#####.#
.#.#.#...#
.#.#...###
##.#####.#
G.........

output:

5
FORWARD
LEFT
IF-OPEN 1
RIGHT
GOTO 3

result:

ok correct answer!