QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #18165 | #2265. Short Coding | Appleblue17# | WA | 26ms | 3784kb | C++ | 2.0kb | 2022-01-16 16:47:26 | 2022-05-04 17:14:39 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=11;
int n,m,stx,sty,ans=5;
char s[N][N];
int fx[4][2]={{1,0},{0,-1},{-1,0},{0,1}};
/*
1 GOTO 1
2 GOTO 2
3 GOTO 3
4 GOTO 4
5 GOTO 5
6 IF-OPEN 1
7 IF-OPEN 2
8 IF-OPEN 3
9 IF-OPEN 4
10 IF-OPEN 5
11 LEFT
12 RIGHT
13 FORWARD
*/
int pat[N],anspat[N];
bool vis[N][N][4][6];
bool check(int len){
memset(vis,0,sizeof(vis));
int x=stx,y=sty,nw=1,dir=0;
while(1){
if(vis[x][y][dir][nw]) return 0;
vis[x][y][dir][nw]=1;
if(s[x][y]=='G') return 1;
if(pat[nw]<=5){
int p=pat[nw];
nw=p;
}
else if(pat[nw]<=10){
int p=pat[nw]-5;
int nx=x+fx[dir][0],ny=y+fx[dir][1];
if(s[nx][ny]!='#' && nx>=1 && nx<=n && ny>=1 && ny<=m) nw=p;
else nw++;
}
else if(pat[nw]==11){
dir=(dir+3)%4;
nw++;
}
else if(pat[nw]==12){
dir=(dir+1)%4;
nw++;
}
else if(pat[nw]==13){
int nx=x+fx[dir][0],ny=y+fx[dir][1];
if(s[nx][ny]!='#' && nx>=1 && nx<=n && ny>=1 && ny<=m) x=nx,y=ny;
nw++;
}
if(nw>len) nw=1;
}
return 0;
}
void dfs(int dep){
if(dep>ans) return;
for(int i=1;i<=13;i++){
pat[dep]=i;
if(check(dep)){
if(dep<=ans){
ans=dep;
for(int i=1;i<=ans;i++) anspat[i]=pat[i];
}
return ;
}
dfs(dep+1);
}
}
int main(){
cin>>n>>m;
for(int i=1;i<=n;i++){
scanf("\n%s",s[i]+1);
for(int j=1;j<=m;j++) if(s[i][j]=='S') stx=i,sty=j;
}
dfs(1);
cout<<ans<<endl;
for(int i=1;i<=ans;i++){
int x=anspat[i];
switch(x){
case 0:assert(0);
case 1:puts("GOTO 1");break;
case 2:puts("GOTO 2");break;
case 3:puts("GOTO 3");break;
case 4:puts("GOTO 4");break;
case 5:puts("GOTO 5");break;
case 6:puts("IF-OPEN 1");break;
case 7:puts("IF-OPEN 2");break;
case 8:puts("IF-OPEN 3");break;
case 9:puts("IF-OPEN 4");break;
case 10:puts("IF-OPEN 5");break;
case 11:puts("LEFT");break;
case 12:puts("RIGHT");break;
case 13:puts("FORWARD");break;
}
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 3780kb
input:
4 2 S# .# .# G.
output:
1 FORWARD
result:
ok correct answer!
Test #2:
score: 0
Accepted
time: 4ms
memory: 3708kb
input:
3 6 ##S..# #..##. .G..#.
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #3:
score: 0
Accepted
time: 4ms
memory: 3716kb
input:
3 7 ....S## .#.#... ##.#.G#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #4:
score: 0
Accepted
time: 3ms
memory: 3620kb
input:
4 8 ...S.#.# ##..#.#. ###...#. #.#.#G.#
output:
3 FORWARD FORWARD LEFT
result:
ok correct answer!
Test #5:
score: 0
Accepted
time: 7ms
memory: 3716kb
input:
3 5 .S#.. ..... ..#G.
output:
3 FORWARD LEFT FORWARD
result:
ok correct answer!
Test #6:
score: 0
Accepted
time: 6ms
memory: 3656kb
input:
10 10 .....S#... ...#...... ....##.... .#.....#.. ....#..... ..#....... ...#...... .......... .#...#.... G.#..#...#
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #7:
score: 0
Accepted
time: 6ms
memory: 3720kb
input:
7 9 .##S.#..# ......... ......... ...#...## ###..#### ........# .....##G#
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #8:
score: 0
Accepted
time: 7ms
memory: 3628kb
input:
3 9 ..#.#.#S# #...#...# .G....#.#
output:
3 FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #9:
score: 0
Accepted
time: 7ms
memory: 3620kb
input:
4 5 #S... ..#.. .#..# .#.G#
output:
3 RIGHT FORWARD FORWARD
result:
ok correct answer!
Test #10:
score: 0
Accepted
time: 24ms
memory: 3516kb
input:
6 8 ..S..#.# ...#...# ....#..# #.#.##.. .......# .#..#G.#
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #11:
score: 0
Accepted
time: 22ms
memory: 3744kb
input:
9 10 S......... .#..#....# ........#. .......... .....#.#.. .#...#.... #..#.##.#. ..#..#...# ..#.#....G
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #12:
score: 0
Accepted
time: 25ms
memory: 3712kb
input:
10 4 #.S. .#.# ##.# ##.. .#.. #... #.## ..#. .#.. G.##
output:
4 FORWARD RIGHT FORWARD LEFT
result:
ok correct answer!
Test #13:
score: 0
Accepted
time: 24ms
memory: 3632kb
input:
9 9 #..#...S# .#...##.# .....##.. ..#..#... ..#..#..# .#..#.#.# .###..... ..#.#.##. G#....#.#
output:
4 RIGHT FORWARD LEFT FORWARD
result:
ok correct answer!
Test #14:
score: 0
Accepted
time: 26ms
memory: 3632kb
input:
7 3 .S# #.. ..# ... ..# .#. .G.
output:
4 FORWARD FORWARD FORWARD LEFT
result:
ok correct answer!
Test #15:
score: 0
Accepted
time: 22ms
memory: 3628kb
input:
6 6 ..#S.. #.#.#. .....# #.#... ..#... ..G##.
output:
4 FORWARD FORWARD LEFT FORWARD
result:
ok correct answer!
Test #16:
score: 0
Accepted
time: 21ms
memory: 3516kb
input:
6 8 ....#S.. ......#. ..##..#. ###.#.## ..#...#. ##.G#..#
output:
4 FORWARD FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #17:
score: 0
Accepted
time: 26ms
memory: 3652kb
input:
10 8 #..S.### .#....## .#...... ....#.#. #...#..# ........ ....#.## ...#.### .#.#...# .#...G.#
output:
4 FORWARD LEFT FORWARD IF-OPEN 3
result:
ok correct answer!
Test #18:
score: 0
Accepted
time: 25ms
memory: 3728kb
input:
7 6 ...##S #..... ....#. ...#.# ....#. #..... .....G
output:
4 FORWARD RIGHT FORWARD IF-OPEN 3
result:
ok correct answer!
Test #19:
score: 0
Accepted
time: 22ms
memory: 3660kb
input:
4 8 .##..S.. #.###..# .#...#.. ...#G...
output:
4 RIGHT FORWARD FORWARD FORWARD
result:
ok correct answer!
Test #20:
score: 0
Accepted
time: 23ms
memory: 3708kb
input:
3 10 ##.......S ####.####. ...#..G##.
output:
4 RIGHT FORWARD LEFT IF-OPEN 2
result:
ok correct answer!
Test #21:
score: 0
Accepted
time: 2ms
memory: 3656kb
input:
2 7 .#S.### .#.G..#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #22:
score: 0
Accepted
time: 1ms
memory: 3656kb
input:
2 7 .S#.#.# G#.##.#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #23:
score: 0
Accepted
time: 4ms
memory: 3584kb
input:
2 4 ...S ##G#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #24:
score: 0
Accepted
time: 2ms
memory: 3712kb
input:
2 7 S...... .G.....
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #25:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
2 3 #S# ..G
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #26:
score: 0
Accepted
time: 4ms
memory: 3620kb
input:
2 4 #.S# #G##
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #27:
score: 0
Accepted
time: 4ms
memory: 3716kb
input:
3 6 .#S### #....# #G.#..
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #28:
score: 0
Accepted
time: 4ms
memory: 3720kb
input:
2 4 S.#. #G##
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #29:
score: 0
Accepted
time: 4ms
memory: 3636kb
input:
2 5 ##..S ...G.
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #30:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
2 9 #S###.... G..##..##
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #31:
score: 0
Accepted
time: 3ms
memory: 3784kb
input:
6 10 ....S...## .#...#.... .......... .#.#...#.. ...#.##... .G#...#...
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #32:
score: 0
Accepted
time: 5ms
memory: 3516kb
input:
3 3 S.. ##. ##G
output:
3 FORWARD FORWARD RIGHT
result:
ok correct answer!
Test #33:
score: -100
Wrong Answer
time: 5ms
memory: 3580kb
input:
5 5 ..S.. .##.. .#### ..#.. G.#.#
output:
3 FORWARD IF-OPEN 5 LEFT
result:
wrong answer Integer 5 violates the range [1, 3]